Thermostats and housings in the cooling system
More informationAt Global Parts, we offer a wide selection of original used car parts, including thermostats and housings for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our thermostats and housings undergo quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 7805811
BMW 1 3 5 7 Series E60 E65 E87 E90 Diesel M47 M57 Thermostat Adapter 7785053
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 2247744
Water Pump Flange BMW E60 E87 E90 Thermostat Connector Pipe Hose 2247744
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7534521
Mini Cooper R55 R56 Engine cooling thermostat with housing Petrol 7534521
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 1433077
BMW 1 3 5 7 SERIES E60 E61 E65 E70 E87 E90 Temperature Sensor Coolant 1433077
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 1437040
BMW E39 E46 E60 E65 E53 E83 E36 Coolant Thermostat Housing 1437040
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8516203
BMW X1 E84 E90 E91 E92 E93 LCI F10 F11 F20 F30 F36 Thermostat Housing 8516203
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6512002800
Mercedes W204 Diesel OM651 Engine Coolant Thermostat Temp Sensor A6512002800
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7787870
BMW E87 E90 EGR Coolant Thermostat Exhaust Gas Cooling M47N M57N 7787870
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7552403
BMW E60 E81 E87 E90 E91 Thermostat Housing Water Coolant N43 Petrol 7552403
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8699290
Mini Cooper R55 R56 Engine Cooling Thermostat With Housing Petrol 8699290
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8635689
BMW F20 F22 F30 F32 N20 Engine Cooling Pump Thermostat Housing 8636594
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7600584
BMW 1 3 Series F20 F21 F30 F31 N13 Thermostat Housing Box Petrol 7600584
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6512000615
Mercedes Sprinter W906 OM651 Coolant Thermostat Housing A6512000615
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8512234
Thermostat BMW E90 E92 LCI F10 X5 F15 F20 F21 F30 F31 Thermostat Insert 8512234
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6512000251
Water Pump Hose Mercedes W204 OM651 Diesel Engine Coolant Line A6512000251
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7805191
BMW E87 E60 LCI E81 E82 E88 E90 E91 Thermostat Housing 7805191
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7598865
Thermostat Coolant Pump BMW F20 F21 F30 F32 N55 Petrol Engine Cooling 2394968
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 8507694
Thermostat BMW E90 E91 LCI F20 F30 N47N Diesel Engine Water Coolant Unit 8507694
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 03L121111AD
Audi A4 B8 A5 8T Q5 8RB 2.0 TDI Diesel Thermostat Coolant 03L121111AD
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
Part no. 8631943
BMW X1 F48 Mini F56 Petrol Thermostat Housing Heat Management Module 8631943
PLN 474.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 8516206
BMW F10 F30 F32 N57N 330d 430d 530d Diesel Thermostat Housing 8516206
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6422001156
Thermostat Housing Pipe Mercedes W204 W212 OM642 Thermostat Flange A6422001156
Promo price
PLN 66.95
PLN 63.60
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6402000515
Mercedes W169 W245 OM640 Diesel Thermostat Coolant Housing A6402000515
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6512001056
Thermostat Housing Mercedes W204 W207 W212 OM651 Coolant Unit Cover A6512001056
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7500597-3
BMW E46 E87 E90 116i 316i Petrol N45 N45N Coolant Thermostat 7500597
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 06L121111J
Audi S3 8V 2.0 TFSI DJHA Water Pump Thermostat Coolant Regulator 06L121111J
Promo price
PLN 208.95
PLN 125.37
Free delivery: Aug 11
If paid before 14:00
Part no. 7586885
Coolant Pump Thermostat BMW E53 E60 E61 E63 E65 F01 F07 F10 F11 F15 7586885
PLN 46.95
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6512000151
Mercedes Sprinter W906 OM651 Diesel Engine Coolant Water Pump Line A6512000151
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A2662030675
Thermostat Housing Mercedes W169 W245 M266 Petrol Coolant A2662030675
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 8577668
BMW F48 F45 F39 B48 B47 Diesel Thermostat Coolant Water Pump Housing 8577668
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 8642560
BMW G20 Petrol Engine Heat Management Thermostat Water Coolant Module 8642560
Promo price
PLN 189.95
PLN 113.97
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7549476
BMW E60 E61 E63 E65 E81 E87 E90 E91 E93 Petrol Thermostat Housing 7549476
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8619408
Connector Water Pipe BMW F20 F30 LCI M140i 340i B58 Coolant Hose Line 8619408
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 1872633
Ford B-Max C-Max Fiesta Mk7 Focus Thermostat Housing Engine Coolant CM5G9K478GA
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6422340539
Mercedes-Benz W207 W212 W221 OM642 Engine Belt Tensioner Bracket A6422340539
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6422002215
Thermostat Mercedes W204 W212 GL X164 OM642 Coolant Housing Valve A6422002215
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 03L121132A
Audi A4 B8 2.0 TDI Diesel Thermostat Coolant Housing 03L121132A
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A2722000415
Mercedes W204 W209 M272 Engine Coolant Thermostat Cooling Housing A2722000115
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7829959-1
Mini Cooper One R50 R52 W10 Thermostat Housing Engine Cooling 7829959
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6512001056-1
Thermostat Housing Mercedes W204 W207 W212 OM651 Coolant Unit Cover A6512001056
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 8601366-2
Thermostat Housing Support Mini F55 F56 F57 BMW F45 F46 Petrol Engine 2381337
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 11
If paid before 14:00
Part no. 7510959-2
Thermostat BMW E46 E83 E87 E90 Coolant Unit Water Petrol N46 7510959
PLN 113.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7500597-2
BMW E46 E87 E90 116i 316i Petrol N45 N45N Thermostat Housing 7500597
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7805192
BMW E60 E61 E81 E87 E90 E91 E92 E93 LCI N47 Diesel Thermostat 7805192
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7800048
Thermostat BMW E60 LCI E81 E87 LCI E90 Diesel N47 Water Pump Connector 7800048
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 038121132D
Audi Seat Skoda VW Golf MKV Coolant Flange Thermostat Housing Flange 038121132D
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7647751
Mini Cooper R55 R56 LCI Engine Cooling Thermostat With Housing 7647751
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7588876
Mini Cooper S R56 LCI N18 Engine Cooling Thermostat With Housing 7588876
Promo price
PLN 74.95
PLN 63.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 06A121121C
Audi Seat Skoda VW Golf MKV Coolant Flange Thermostat Housing Flange 06A121121C
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7588876-1
Coolant Thermostat Mini Cooper S R56 LCI N18 Engine Cooling Housing 7588876
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. A2762000315
Mercedes W205 C43 4matic Thermostat Housing Coolant Unit A2762000315
Promo price
PLN 265.95
PLN 159.57
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 55206391
Opel Combo Corsa 1.3 CDTi Diesel Thermostat Coolant Unit Housing 55206391
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6512001300
Mercedes X253 OM651 Coolant Thermostat Housing Unit Diesel A6512001300
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 8671516
Thermostat BMW F10 F12 F07GT F06 Petrol N55 Coolant Thermostat 8671516
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 9670253780
Peugeot 3008 5008 Citroen C4 1.6 Diesel Thermostat Housing 9670253780
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A2702002200
Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
Part no. 9896577
BMW F74 U06 X1 U11 Thermostat Housing Heat Management Module 9896577
PLN 854.95
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. A2602000900
Mercedes W177 M260 Petrol Termostat Housing A2602000900
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 8200074349
Renault Trafic Opel Vivaro Water Coolant Thermostat Housing 8200074349
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 8575625-1
Thermostat Housing BMW F20 F21 LCI B37 Diesel Engine Cooling Unit 8575625
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 03L121132Q
Skoda Octavia 1Z 2.0 TDI CEGA Water Coolant Thermostat Housing 03L121132Q
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6422000215-1
Mercedes W164 OM642 Diesel Thermostat Coolant Housing Cooling Unit A6422000215
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 1C1Q-8594-BA
Ford Transit Mk7 2.4 TDCi Thermostat Oil Cooler Housing Unit Diesel 1C1Q-8594-BA
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6422000215
Mercedes W164 OM642 Diesel Thermostat Coolant Housing Cooling Unit A6422000215
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6512001100
Mercedes W910 OM651 Diesel Coolant Thermostat Housing Unit A6512001100
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. BK3Q-8A586-AB
Ford Transit Mk7 Thermostat Oil Cooler Housing Diesel BK3Q-8A586-AB
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 038121132G
Audi Seat Skoda VW Golf MKV Coolant Flange Thermostat Housing Flange 038121132G
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-40%
Part no. A2702000615
Mercedes C117 W176 W246 M270 Coolant Thermostat Housing A2702000615
Promo price
PLN 189.95
PLN 113.97
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A2742000615-1
Mercedes W204 W205 W212 W213 M274 Petrol Coolant Thermostat Housing A2742000615
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6112000715
Mercedes Vito W639 Diesel OM646 Coolant Water Thermostat A6112031975
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. C1Q8A586AC
Ford Transit Mk7 2.2 TDCi Thermostat Housing Diesel C1Q-8A586-AC
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7633477
BMW F20 F22 F30 F32 N20 Engine Cooling Pump Thermostat Housing 7633477
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7558267
Thermostat Radiator BMW X5 E70 M57N2 N62N Valve Unit X6 E71 7558267
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A1662030275
Mercedes W168 M166 Thermostat Coolant Housing A1662030275
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 06E121161AN
Audi S4 B8 Engine Water Coolant Flange Housing 3.0 TFSI Petrol 06E121161AN
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7829959
BMW MINI Cooper One R50 R52 W10 Thermostat Housing Engine Cooling 7829959
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 2347347
Ford Transit Custom Thermostat Coolant Housing 2.0 EcoBlue Diesel GK2Q-9K478-CA
PLN 75.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7596787
Mini R50 R52 R53 Thermostat With Gasket Coolant Unit 7596787
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 022121117C
Audi A3 8P 3.2 BMJ Petrol Engine Water Thermostat Coolant Housing 022121117C
Promo price
PLN 85.95
PLN 73.06
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6422001615
Mercedes W204 W212 W221 OM642 Thermostat Water Coolant Diesel Heat Management
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 05L121111Q
Audi Q2 GA 3.0 TDI DTTC Diesel Engine Coolant Thermostat Housing 05L121111Q
Promo price
PLN 237.95
PLN 142.77
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A2812030161
Smart A453 Thermostat Flange Housing M281 Petrol A2812030161 110603999R
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 9684588980-1
Citroen Peugeot 1.6 HDI Thermostat Coolant Unit Housing Diesel 9684588980
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 82009543288
Nissan Qashqai Thermostat Housing Cover 1.5 DCi 82009543288
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 04L121071E
Audi A3 8V VW Golf Mk7 Thermostat Housing Coupling 2.0 TDI 04L121071E
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 04L121026L
Volkswagen Transporter T6 Thermostat Coolant Housing 2.0 TDI CXGB 04L121026L
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 059121111L
Audi A4 B7 2.7 TDI BPP Diesel Engine Thermostat Housing 059121111L
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 06E121111G
Audi A4 B7 A8 A6 Coolant Regulator Thermostat Housing 06E121111G
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 99610601355
Porsche Boxster 986 Engine Thermostat Housing 99610601355
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 170741R
Mercedes W415 109CDI Diesel Engine Cooling Thermostat Housing 170741R
Promo price
PLN 56.95
PLN 48.41
Delivery: Aug 11
If paid before 14:00
-40%
Part no. A2782001700
Mercedes CLS C216 Thermostat Pipe Coolant Hose Line CL 63 AMG A2782001700
Promo price
PLN 522.95
PLN 313.77
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 8472105
Mini F54 F55 F56 F60 B47 Thermostat Housing Engine Cooling 8472105
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 8631943-2
BMW X1 F48 Mini F56 Petrol Thermostat Housing 8631943
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 8631943-3
BMW X1 F48 Mini F56 Petrol Thermostat Actuator F-610472.07-0900
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 8631943-6
BMW X1 F48 Mini F56 Petrol Thermostat Housing Part F-610472.06-0091
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A6072000415-1
Mercedes Citan W415 OM607 Renault Megane III 1.5 dCi Thermostat A6072000415
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 03C121121C
VW Polo 6R 1.2 CGPB Water Pump Thermostat Cover Housing 03C121121C
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 1298524
DAF 85CF Thermostat Housing Engine Cooling 1298524
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 06H121026AG
Audi A3 8P VW Passat B7 Water Pump Thermostat Coolant Regulator 06H121026AG
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 11
If paid before 14:00
Thermostats and housings in the engine cooling system – reliable operation in all conditions
How do thermostats work and what are the housings in cooling systems made of?
Thermostats and housings are key components of the cooling system, responsible for controlling coolant flow and maintaining the engine's optimal operating temperature. Their efficiency ensures engine performance, reduced fuel consumption, and protection against overheating. In the Global Parts automotive store, you will find a wide selection of used car parts, including thermostats and housings, ideal for brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and others.
Definition and operating principle of a thermostat
A thermostat is a thermal valve that opens at a strictly defined temperature (usually between 85°C and 95°C) and allows coolant to flow to the radiator. In the case of BMW M57 engines used in BMW E60 models, the popular TH580 thermostat begins to open at 88°C, ensuring an ideal balance between rapid engine warm-up and maintaining the optimal operating temperature. In Audi A4 B8 models, a typical thermostat opens slightly earlier – at 87°C, which results from the different characteristics of the cooling system.
Construction and materials of thermostat housings
Thermostat housings are most often manufactured from high-strength plastics or aluminum. Modern solutions combine these materials, ensuring lightness, corrosion resistance, and a perfect fit to the mounting socket. In premium class vehicles, such as BMW or Mercedes, components with silicone seals are also used, which maintain tightness even at pressures up to 1.5 bar.
What functions do thermostats and housings perform?
Thermostats and housings play a key role in regulating engine operating temperature:
- Coolant flow regulation – the thermostat opens and closes the coolant circuit depending on the engine temperature.
- Faster engine warm-up – the thermostat keeps the coolant in the engine until the optimal temperature is reached, which improves engine efficiency, especially on cold days.
- Overheating protection – a functional thermostat prevents excessive engine temperature rise by directing coolant to the radiator.
- Thermostat housings – ensure tightness and stable mounting of the thermostat within the cooling system.
Construction and purpose of thermostats and housings in the cooling system
Thermostats and housings in the cooling system are an assembly usually mounted near the engine, at the junction of the small and large coolant circuits. The thermostat is responsible for the moment the flow to the radiator opens, while the housing serves as a body with ports, a gasket seat, and mounting points to the engine block or hoses. Depending on the version, the component may work with temperature sensors and assemblies from the cooling system hoses and pipes category. When choosing products in this category, it is worth comparing the OEM number, interchangeable numbers, fuel type, and port layout.
Comparison of thermostat and housing variants
| Variant | Construction | What to check before purchase | Cooperating elements |
|---|---|---|---|
| Thermostat only | Thermal insert with valve and seal | Opening temperature, diameter, OEM number, socket compatibility | water radiators, housing, coolant |
| Thermostat housing | Plastic or aluminum body, ports, gasket seat | Mounting layout, number of outlets, presence of sensor socket, condition of ports | Thermostat, gasket, hoses, mounting clamps |
| Thermostat assembly with housing | Complete unit ready for installation | VIN compatibility, OEM part number, engine version and fuel type | cooling system water pumps, temperature sensor, hoses |
Advantages of a functional thermostat
A properly operating thermostat contributes to optimal engine performance, reducing fuel consumption by as much as 5–7%, and also lowers exhaust emissions. By maintaining a stable operating temperature, engine oil retains its lubricating properties, which translates into a longer engine lifespan.
Why is it worth taking care of thermostats and housings?
Wear or damage to thermostats and housings can lead to serious cooling system problems. Typical symptoms include:
- Engine overheating – a damaged thermostat may not open the circuit, leading to an increase in engine temperature.
- Slow warm-up – thermostat failure can cause continuous coolant flow, which extends the engine warm-up time.
- Coolant leak – leaks in the thermostat housing can lead to fluid loss and a drop in coolant levels. At Global Parts, we offer used thermostats and housings that have undergone detailed quality tests, ensuring their durability and reliability.
Typical symptoms and possible causes of thermostat faults
| Symptom | Possible cause | Recommended action |
|---|---|---|
| Engine overheats | Thermostat does not open | Replace thermostat |
| Engine warms up slowly | Thermostat stuck in open position | Inspect or replace |
| Coolant leak | Leaking thermostat housing | Check gasket or replace housing |
| Temperature fluctuations | Contaminated cooling system | Replace coolant, flush system |
How to choose the right thermostats and housings?
When choosing thermostats and housings, pay attention to several key aspects:
- Vehicle model fitment – every cooling system has its specific technical requirements. At Global Parts, you will find thermostats and housings perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.
- Technical condition – used thermostats and housings should be free from mechanical damage and airtight to prevent leaks.
- Opening temperature – ensure that the thermostat opens at the correct temperature recommended by the vehicle manufacturer.
Part selection by OEM, engine version, and equipment
The thermostat housing is a body that guides coolant between the engine, radiator, and hoses, so it must match not only the car model but also the engine unit version. When choosing a component like a Peugeot 207 thermostat housing, it is worth checking the number of ports, sensor position, mounting method, and gasket compatibility with the socket. This type of assembly is sometimes connected to tanks from the expansion tanks category, so in case of a leak, it is good to assess the entire circuit, not just one sub-assembly.
Compatibility and installation
The BMW E60 thermostat with an M57 engine requires a component marked TH580, which is also compatible with some versions of the BMW 530d and X5 E53. In turn, the A4 B8 thermostat fits 2.0 TDI and 1.8 TFSI units, and its replacement is relatively simple – just disconnect the intake hose, drain some coolant, and install the new thermostat with a new gasket.
Why choose used thermostats and housings?
Used car parts, such as thermostats and housings, are a practical solution that allows for savings while maintaining high quality. By choosing used thermostats and housings, you gain:
- Lower costs – used components are significantly cheaper than new ones but offer equally high quality.
- Ecology – recycling car parts supports environmental protection and reduces waste.
- Wide selection – in our store, you will find thermostats and housings for the most popular car brands.
Practical installation tips and system inspection
The thermostat gasket is the element responsible for a tight connection between the housing and the engine or hose, and its condition has a direct impact on cooling system pressure. For parts such as a Mercedes W211 thermostat, before installation, it is worth comparing the OEM number, bolt layout, port diameter, and the presence of a sensor location. When completing a repair for a specific model, for example, Renault Master 3, it is also good to verify hose routing, access for bleeding, and compatibility with the fuel type. A helpful diagnostic supplement is the article Engine cooling system – overheating, repair, and used radiators, which describes the relationships between engine operating temperature and the condition of the entire system.
How to take care of thermostats and housings?
To ensure thermostats and housings work reliably for a long time, it is worth following a few rules:
- Regularly check the condition of the thermostat and housing, especially if you notice problems with engine operating temperature.
- Replace coolant according to the manufacturer's recommendations to prevent scale and sediment buildup in the system.
- Monitor coolant levels – a sudden drop may indicate a leak in the thermostat housing.
- If replacement is necessary, at Global Parts you will find suitable used auto parts that will restore full functionality to your cooling system.
Practical tips
During the installation of a new thermostat, always replace the gasket and check that the cooling hoses are clean and unobstructed. For the BMW E60 or Audi A4 B8, it is also recommended to bleed the system after replacement to prevent air bubbles, which can disrupt fluid circulation.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of thermostats and housings in the cooling system? | Thermostats and housings in the cooling system are an assembly responsible for directing coolant flow between the engine and the radiator. A typical set consists of a thermostatic insert, a housing body, a gasket, and connection ports. This element is located in the engine compartment and is mounted in the location provided by the manufacturer for the given cooling circuit. |
| What are thermostats and housings in the cooling system used for? | Thermostats and housings are used to maintain the proper operating temperature of the engine unit and to control the moment of fluid flow to the radiator. A functional thermostat accelerates reaching operating temperature, and a tight housing prevents fluid loss. Without these elements, the engine may run too cold or overheat, which affects fuel consumption, lubrication, and equipment durability. |
| What is the construction and function of a thermostat gasket? | A thermostat gasket is a sealing element mounted between the housing and the contact surface in the cooling system. Its task is to maintain tightness during changes in temperature and operating pressure. In practice, one must pay attention to the gasket material, its profile, and compatibility with the specific body and OEM number. |
| How to choose a thermostat or housing for a specific car? | The safest way is to compare the OEM part number, interchangeable numbers, engine version, fuel type, and the layout of ports and mounts. In many cars, the presence of a temperature sensor and the type of seal also matter. When selecting, it is worth checking compatibility by VIN and comparing photos of the element with the removed part. |
| What symptoms indicate a problem with a thermostat or housing? | The most common symptoms are engine overheating, slow warm-up, fluctuations in temperature readings, and coolant leaks around the housing. Sometimes, weaker interior heating or traces of dried fluid near the ports also appear. Such symptoms should be assessed together with the condition of the hoses, gasket, and fluid level. |
| What does the proper installation of a thermostat and housing involve? | Installation involves cleaning the contact surfaces, installing the correct gasket, and securing the part without stressing the hoses. After replacement, the coolant must be topped up and the system bled according to the procedure for the specific car version. It is also worth checking for leaks after the engine has warmed up and verifying that the operating temperature returns to stable values. |
Summary: thermostats and housings in the cooling system at the Global Parts automotive store
Thermostats and housings are key components of the cooling system that ensure optimal engine operating temperature and protect against overheating. In the Global Parts offer, you will find used parts matched to many models and engine versions of brands such as Mercedes, BMW, Audi, and others. When choosing, it is worth comparing the OEM number, interchangeable numbers, fuel type, and housing construction so that the fitment to the mounting location is correct. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.