Injection systems and parts
More informationAt Global Parts, we offer a wide selection of original used car parts, including injection systems and parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each injection system and part we offer undergoes quality control to ensure you receive a top-quality product.
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In Stock
Price
-5%
Part no. 7792722
BMW E60 E61 E90 E91 Fuel Injector Clamp Flange Diesel M57N2 7792722
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 7550387
BMW E81 E87 LCI E90 E91 N43 Fuel Tank Ventilation Valve With Pipe 7550387
PLN 61.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7506158
Injection Valve BMW E46 E87 X3 E83 Z4 E85 E90 E91 Injector Nozzle Jet 7506158
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 7794435
BMW E60 E87 E90 Fuel Injector 118d 325d 525d M47N2 M57N2 7794435
PLN 94.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6420701187
Mercedes-Benz ML E Class W164 W207 OM642 Fuel Injector A6420701187
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7537319
BMW E60 E87 LCI E90 E91 F30 F10 Pressure Sensor Fuel High Pressure Rail 7537319
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 7792721
BMW E60 E61 E65 X5 E70 X3 E83 E92 E93 Injector Diesel M57N2 7792721 0445115048
PLN 379.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7787215
BMW 1 3 X3 Series E46 E60 E87 E90 E91 Diesel Engine Fuel Injector Clamp Flange
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7804238
Pressure Hose BMW E60 E61 E65 E90 E91 M57N2 Assy Injector Fuel 7804238
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 038130073BN
VW Volkswagen Caddy Fuel Injector Injection Nozzle 038130073BN
PLN 142.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 03L130277
Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector 03L130277
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 11
If paid before 14:00
Part no. 7595413
Mini Cooper S R55 R56 R57 LCI Fuel injector Feeding Line Petrol 7595413
PLN 142.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. BK2Q-9K546-AG
Ford Transit Mk7 2.2 TDCi Diesel Fuel Injector Injection Nozzle BK2Q-9K546-AG
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 11
If paid before 14:00
Part no. 7805733
BMW E60 E87 E90 Diesel M47 M57 Injector Line Rail Pressure Control
PLN 74.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 06F906036A
Audi A6 C6 Fuel Injector Injection Nozzle 2.0 TFSI BPJ Petrol 06F906036G
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7525721
BMW E60 E61 E63 E65 Petrol Fuel Injection Valve N62 N62N 7525721
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6510703087
Mercedes Sprinter W906 Diesel OM651 Fuel Injector A6510703087
Promo price
PLN 284.95
PLN 242.21
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7542541-1
BMW 1 3 5 7 Z4 Series E60 E65 E81 E85 E87 E90 Injection Tube Fuel Rail 7542541
Promo price
PLN 113.95
PLN 96.86
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7805727-1
Fuel Rail BMW E60 E61 E90 E91 E83 E70 M57N2 High Pressure Fuel Rail 7805727
Promo price
PLN 237.95
PLN 202.26
Free delivery: Aug 11 – 12
If paid before 14:00
-5%
Part no. 7528176
MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Injector 7528176
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7606232
BMW Mini Cooper One R55 R56 R57 Fuel Injector Feeding Line Petrol 7606232
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 8656548
BMW F46 G20 G21 G30 G31 Mini Cooper F55 F56 F57 Petrol Injector Fuel 8656548
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7810702
BMW E90 E91 E92 LCI 320d N47N 184HP Diesel Set Fuel Injection System
Promo price
PLN 1,899.95
PLN 1,614.96
Free delivery: Aug 11 – 12
If paid before 14:00
-15%
Part no. 7789661
Fuel Injector BMW E46 X5 E53 E60 E61 E65 Diesel M57N 330d 7789661
Promo price
PLN 161.95
PLN 137.66
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 04L130277AE
Audi A5 8T Engine Fuel Injector Injection 04L130277AE
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 7584461
Fuel Pump BMW F20 F21 F30 F31 N20 Engine High Pressure Pump 7584461
Promo price
PLN 142.95
PLN 85.77
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7792717
BMW E60 E65 E70 E83 E90 Pressure Hose Assy Pipe Fuel Injector 7792717
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7592426-1
Injection Rail BMW F20 F30 Mini R56 LCI N13 Fuel Injector Tube Pipe Line 7592426
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7792718
BMW E60 E65 E70 E83 E90 Pressure Hose Assy Pipe Fuel Injector 7792718
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 03C906036F
VW Golf Mk6 1.4 TSI CAVD Petrol Fuel Injector 03C906036F
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7792947
Pressure Hose BMW E60 E65 X5 E70 E90 E92 M57N2 Pipe Assy Fuel Injector 7792947
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 059130277AH
Audi Q7 4L A6 C6 A8 D3 3.0 TDI Diesel Fuel Injector Injection Unit 059130277AH
PLN 189.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A2660700895
Mercedes W169 W245 M266 Petrol Fuel Injector Rail Line A2660700595
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7575646
MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Rail Injection Tube
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A2710781123
Mercedes W204 C180 Petrol M271 Fuel Injector Injection Nozzle A2710781123
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
Part no. 7792947-1
BMW E60 E65 E90 E70 Diesel M57N2 Fuel Pipe Set High Pressure Fuel Rail Pipes
PLN 123.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 2753138
Mini Cooper One R55 R56 R57 Fuel Injector Feeding Line Petrol 2753138
Promo price
PLN 85.95
PLN 81.65
Free delivery: Aug 11
If paid before 14:00
Part no. A6510702887
Fuel Injector Mercedes W204 W212 W221 W222 Diesel OM651 Common Rail A6510702887
PLN 113.95
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7531634
BMW E60 E65 E81 E87 E90 E91 E92 F10 F11 Fuel Petrol N52 N52N Injector 7531634
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 7H2Q-9K546-CB
Land Rover Discovery 3 L319 Fuel Injector 2.7 V6 276DT 7H2Q-9K546-CB
Promo price
PLN 208.95
PLN 125.37
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7639990
Fuel Injector BMW F20 F21 F30 LCI Mini F55 F56 Petrol Injector B38 B48 7639990
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 06K133681C
Audi Q5 FY Petrol Fuel Injectors Injection Rail Line Pipe 06K133681C
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6510700587
Fuel Injector Mercedes W204 C207 W212 W221 W639 W906 Diesel OM651 A6510700587
Promo price
PLN 170.95
PLN 145.31
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7809129
BMW E60 E61 LCI 520d Diesel N47 177HP Set Fuel Injection System
Promo price
PLN 2,374.95
PLN 2,018.71
Free delivery: Aug 11 – 12
If paid before 14:00
-15%
Part no. 7649710
BMW E90 LCI Fuel Injection Rail High Pressure Fuel Rail 335i Petrol N55 7649710
Promo price
PLN 66.95
PLN 56.91
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7797884
BMW E81 E87 LCI E90 E91 E92 Pressure Hose Assembly Pipe Diesel N47
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6420700587
Fuel Injector Mercedes W164 W204 W211 OM642 Diesel Injection Nozzle A6420700587
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7624538
Fuel Tank Mini R55 R56 R57 R60 R61 N12 N16 Injection Breather Valve 7624538
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 059130216C
Audi A5 8T Fuel Injector Retaining Plate Bracket Mount Holder 059130216C
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7624538-1
Fuel Valve Mini R55 R56 N12 N16 Fuel Injection Tank Breather Valve 754196180
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 11
If paid before 14:00
Part no. 7804236
BMW 3 5 7 X5 Series E53 E39 E46 E38 M57 3.0d Fuel Rail Pressure Pipe
PLN 42.95
Delivery: Aug 11
If paid before 14:00
Part no. 8506902-2
Mini One Cooper D R55 R56 R57 LCI R60 R61 Diesel N47N Fuel Injector 8506902
PLN 104.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 059130277BE
Audi A5 8T 3.0 TDI Diesel Fuel Injector Nozzle Jet 059130277BE
Promo price
PLN 284.95
PLN 242.21
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 03L130277C
Volkswagen Transporter T5 TDI 2.0 Diesel Fuel Pump Injector Injection 03L130277C
Promo price
PLN 61.95
PLN 37.17
Free delivery: Aug 11 – 12
If paid before 14:00
Part no. 7809127-1
BMW E81 E87 LCI E90 F20 F30 N47 Diesel Fuel Injector Rail 7809127
PLN 94.95
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 7805727-2
BMW E60 E61 E83 E90 E91 Fuel Rail M57N2 High Pressure Fuel Rail 7805727
Promo price
PLN 151.95
PLN 91.17
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6420701987
Mercedes W221 OM642 CDI Diesel Engine Fuel Injector Injection Nozzle A6420701987
Promo price
PLN 132.95
PLN 113.01
Free delivery: Aug 11
If paid before 14:00
Part no. 06E906036P
Audi S4 B8 S5 8T A6 C7 3.0 TFSI Fuel Injector Injection Nozzle 306E036P
PLN 142.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6460700787
Mercedes W203 W211 OM646 Diesel Fuel Injector A6460700787
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7591623
BMW F20 F21 F30 F31 Mini R55 R56 R60 Fuel Injector Petrol N13 N14 N18
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. A6460700287
Mercedes-Benz C E W203 W211 OM646 Fuel Injector Injection Nozzle A6460700287
Promo price
PLN 332.95
PLN 283.01
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7529753
BMW E81 E87 E90 Fuel Tank Breather Valve 7512582
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
Part no. 94811012872
Porsche Cayenne Turbo 92a High Pressure Fuel Injector Nozzle 94811012872
PLN 127.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6420701387
Mercedes-Benz M-Class ML W164 OM642 Fuel Injector Injection Nozzle A6420701387
Promo price
PLN 237.95
PLN 202.26
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. A2710703595
Mercedes W203 M271 Fuel Distributor Injection Petrol Engine A2710703595
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 059130216J
Injector Holder Audi Q7 4L A7 4G8 A6 C7 Diesel 3.0 TDI Injector Bracket 059130216J
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 7810702-2
BMW F10 F11 F20 F30 120d 320d 520d N47N 184HP Diesel Set Fuel Injection System
Promo price
PLN 1,899.95
PLN 1,614.96
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6420703095
Fuel Rail Mercedes W164 W207 W212 OM642 Right Injector Pressure Line
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 03L130235N
Volkswagen Crafter 2.0 Tdi Diesel Fuel Return Line Leak Off Hose 03L130235N
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7512576
Tank Breather Valve BMW E87 E90 N46 120i 320i Fuel Injection 7512576
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 06E906036F
Audi A4 B8 3.2 FSI CALA Fuel Injector Injection Nozzle 06E906036F
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 8519494
BMW 1 3 Series E81 E90 F20 F30 Set Fuel Injector Support Bracket Mount 8519494
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 04L130216A-1
VW Volkswagen Crafter TDI Fuel Injector Bracket Clamp Jaw Holder 04L130216A
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. A2710780023
Mercedes W204 Petrol Fuel Injector Nozzle A2710780023
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 06F906036F
VW Golf MK6 Scirocco Audi A1 8X A3 8P Fuel Injector Injection Nozzle 06F906036F
Promo price
PLN 284.95
PLN 242.21
Free delivery: Aug 11
If paid before 14:00
Part no. 7562264-3
Fuel Rail Mini Cooper One R50 R52 W10 Petrol Injection Tube 7562264
PLN 61.95
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 04L130089G
Audi A5 8T Fuel Rail Injection Injector 04L130089G
Promo price
PLN 313.95
PLN 266.86
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 0445110546
Nissan Qashqai Renault Trafic III Fuel Injector Injection Nozzle 0445110546
Promo price
PLN 237.95
PLN 142.77
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. 0414720210
Volkswagen Transporter T5 7H 7J Diesel Fuel Injector 2.5 TDI 0414720210
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7543286
Mini R55 R56 Fuel Injection Tank Breather Valve N12 N16 7543286
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-49%
Part no. 1707843
BMW X5 Series E53 M54 4.4i Fuel Injection Valve 1707843
Promo price
PLN 46.95
PLN 23.95
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 7639994-1
BMW F10 LCI F11 F20 F21 F30 LCI N55 Petrol Fuel Injector Injection Set 7639994
Promo price
PLN 142.95
PLN 85.77
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7810714
BMW E90 LCI F10 F20 F30 N47N Injector Pressure Hose Pipe 7810714
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7561277
BMW E81 E82 E86 E87 LCI E88 Fuel Injection Injector Unit N45 N46 Petrol 7561277
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6460160838
Fuel Injector Bracket Mercedes W204 W211 OM646 Clamp Jaw Holder Set A6460160838
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 8671991
Injector Mini F60 BMW F40 Petrol B48E High Pressure Fuel Rail Injector 8671991
Promo price
PLN 189.95
PLN 113.97
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. A6510702387
Mercedes W176 W204 W212 W246 Diesel OM651 Fuel Injector A6510702387
Promo price
PLN 379.95
PLN 322.96
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 7597870
BMW F10 F11 F20 F21 F30 F31 LCI Petrol Injector Fuel EU5 Engine N20 N55 7597870
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 11
If paid before 14:00
-15%
Part no. 6C1Q-9K546-BC
Ford Transit Mk7 2.2 TDCi Diesel Fuel Injector Injection Nozzle 6C1Q-9K546-BC
Promo price
PLN 237.95
PLN 202.26
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 06E906036C-1
Audi S8 D3 5.2 FSI V10 Quattro BSM Fuel Injector Injection Nozzle 06E906036C
Promo price
PLN 85.95
PLN 81.65
Free delivery: Aug 11
If paid before 14:00
-40%
Part no. A2740700995
Mercedes W205 M274 Petrol Fuel Rail Injection Injector A2740700995
Promo price
PLN 275.95
PLN 165.57
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. A6420160724
Engine Head Cover Mercedes W204 W221 Injector Foam Left N/S OM642 A6420160724
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-15%
Part no. 8577649
BMW F20 F21 F30 N47N Fuel Injection System Set 116d 118d 318d Diesel
Promo price
PLN 1,804.95
PLN 1,534.21
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7639994
BMW F10 F11 F20 F21 F30 LCI Fuel Petrol Injector EU6 7639994
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-5%
Part no. 7797881
Injector Bracket BMW E81 E87 LCI E90 E91 120d 320d N47 Holder Clamping Jaw Fuel
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 11
If paid before 14:00
-40%
Part no. 8604231
Fuel Pump BMW F20 E88 F30 F12 N55 Petrol Engine High Pressure Injection 8604231
Promo price
PLN 189.95
PLN 113.97
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7528351
Mini Cooper S R55 R56 R57 N14 1.6 Petrol Fuel Injector 7528351 0261500029
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 11
If paid before 14:00
-5%
Part no. 7800605
BMW 1 3 Series E81 E87 LCI E90 120d 320d 520d N47 Injector Pressure Hose Pipe
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 11
If paid before 14:00
Part no. A6400700787
Mercedes W169 W245 OM640 Fuel Injector A6400700787
PLN 46.95
Delivery: Aug 11
If paid before 14:00
Used fuel injection system parts – injectors, pumps, rails, and fuel system elements
The main components of the injection system and their functions
The fuel injection system is the heart of a modern engine, responsible for the precise dosing of fuel into the combustion chamber. It is thanks to this system that your vehicle can achieve excellent results in terms of power, fuel economy, and exhaust emissions. In the Global Parts automotive store, you will find a wide selection of used car parts for fuel injection systems, perfectly matched to brands such as BMW, Audi, Volkswagen, Mercedes, or Mini. Our parts are a guarantee of quality and durability, which will allow your vehicle to perform at the highest level.
How does a fuel injection system work?
The fuel injection system is an advanced system that works with other engine components to ensure optimal combustion of the air-fuel mixture. Its key elements include:
- Other fuel injection system parts – additional components necessary for the proper functioning of the fuel system.
- Injector nozzles – responsible for the precise atomization of fuel in the combustion chamber, which affects combustion efficiency and vehicle performance.
- High-pressure fuel pumps – key elements of the injection system that deliver fuel at the appropriate pressure to the injectors. An efficiently operating fuel injection system means not only more power and economy but also a longer engine lifespan and lower emissions of harmful substances.
Construction and purpose of fuel injection systems
Fuel injection systems are a set of components responsible for drawing fuel, generating the appropriate pressure, and delivering it to the cylinders at the right moment. A typical set includes a fuel pump, lines, a fuel rail, a regulator, and injectors, and in many versions, also sensors that work with the engine control unit. This system is located between the fuel tank and the combustion chamber and must work with the intake equipment and control electronics. If you are looking for a subassembly such as an Audi A4 B8 injection pump, it is worth comparing the OEM number, pump drive type, engine version, and electrical connector type before installation.
Definition and types of fuel injection systems
Fuel injection systems can be divided into several types, depending on the technology used by the manufacturer. The most common are the Common Rail system, injection pump with a fuel rail, and direct injection (GDI). In Common Rail systems, fuel pressure can reach up to 2000 bar, which allows for very accurate dosing and reduces fuel consumption by up to 10–15%. These systems are installed in many modern models, including the BMW 3 Series (E90), Audi A4 B8, or Volkswagen Golf VI.
Differences between types of fuel injection system components
| Component type | Main function | What to check before purchase | Cooperating elements |
|---|---|---|---|
| Injector | Doses and atomizes fuel at the right moment | OEM number, injection code, connector type, engine version | Fuel rail, engine ECU, seals |
| High-pressure pump | Generates the pressure needed to supply the rail and injectors | OEM number, mounting method, drive gear, engine compatibility | Fuel lines, pressure regulator, rail |
| Fuel rail | Stores fuel under pressure and distributes it to the injectors | Port layout, pressure sensor, engine version | Injectors, pressure sensor, lines |
| Regulator or control valve | Stabilizes the operating parameters of the entire system | Control type, connector, compatibility with pump or rail | Pump, fuel rail, ECU |
Why is it worth taking care of the fuel injection system?
Regular maintenance and replacement of worn fuel injection system components are essential for achieving optimal engine performance and reliability. A neglected system can lead to:
- Uneven engine operation.
- Increased fuel consumption.
- Difficulty starting the vehicle.
- Higher exhaust emissions. At Global Parts, we offer original used car parts that undergo thorough quality checks, ensuring their full functionality.
Fuel dosing function and the importance of operating pressure
Fuel dosing serves to maintain the correct mixture proportions depending on the load, temperature, and engine speed. In practice, this means that even a small leak or pressure drop can worsen starting, smoothness of operation, and throttle response. In diagnostics, components from the Fuel filters and Lines, hoses, and pipes categories are often checked, as they affect the tightness and stability of the supply.
Table of symptoms and fuel injection system components
| Symptom | Possible cause | Component to check |
|---|---|---|
| Uneven engine operation | Injector leak | Fuel injector |
| Engine power loss | Worn high-pressure pump | Injection pump / pressure regulator |
| Difficulty starting | Contaminated fuel filter | Filter / fuel rail |
| Engine smoking | Incorrect injection pressure | Nozzles or control valves |
How to choose the right parts for fuel injection systems?
When choosing fuel injection system parts, such as injectors, injection pumps, or pressure regulators, it is worth paying attention to:
- Vehicle model compatibility – every car manufacturer and model has its own unique requirements. At Global Parts, you will find parts perfectly matched to BMW, Audi, Volkswagen, Mercedes, or Mini.
- Technical condition – check that the components are free from damage and ready for further use.
- Type of fuel injection system – for example, common rail systems require precise injectors that are adapted to high operating pressures.
Compatibility and fitment
When choosing fuel injection system parts, it is worth paying attention to OEM compatibility – every element, such as a high-pressure pump or fuel rail, has its equivalent in manufacturer catalogs. At Global Parts, you can select a part based on the VIN, which guarantees perfect fitment and simple installation. This avoids the risk of incorrect component selection, and the replacement is faster and cheaper. It is worth knowing that most pumps and injectors can be used interchangeably in various VAG group models.
Selection of cooperating equipment and installation check
The fuel rail is a collector element that distributes fuel to individual injectors and often works with a pressure sensor and a control valve. When selecting, you must check not only the part number itself but also the number of outlets, the position of the ports, the thread type, and the presence of equipment. When completing a repair for a specific model, e.g., BMW E90, it is good to also verify related Fuel pumps and level sensors and Air and fuel intake sensors.
Why choose used fuel injection system parts?
Used car parts are an excellent solution for those looking for savings without sacrificing quality. By choosing used injectors, pumps, or regulators, you gain:
- Lower costs – used components are cheaper than new ones but offer equally high quality.
- Ecology – you support recycling, reducing the amount of automotive waste.
- Wide selection – in our offer, you will find fuel injection system elements for the most popular car brands.
Technical data and performance of fuel injection systems
Injectors in modern diesel engines operate with a frequency of up to 5–7 injections per cylinder cycle, which allows for very smooth acceleration and lower fuel consumption. In turn, injection pumps can maintain operating pressure in the range of 1500–2500 bar. Such parameters guarantee the highest efficiency and long life of the entire system. When choosing an element like Audi A4 B8 injectors, it is important to compare the manufacturer's marking, performance class, correction code, and compatibility with the specific engine version.
How to take care of your vehicle's fuel injection system?
To ensure the fuel injection system works efficiently for a long time, it is worth remembering a few key rules:
- Regularly clean and maintain fuel injectors to avoid clogging.
- Use high-quality fuel and apply cleaning additives that improve system operation.
- Check and replace injection pumps and pressure regulators according to the manufacturer's recommendations. In case of failure or wear of components, at Global Parts you will find suitable used auto parts that will help restore your vehicle to full efficiency.
Benefits of regular service
Regular inspection of the fuel injection system not only increases engine life but also reduces fuel consumption by an average of 5–8%. Well-maintained injectors and pumps guarantee smooth operation of the power unit and less load on other subassemblies, such as the turbocharger or EGR valves. A practical supplement to knowledge about equipment and design changes in popular models is the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of fuel injection systems? | Fuel injection systems are sets of components responsible for transporting, compressing, and precisely dosing fuel into the engine. They usually consist of a pump, lines, a fuel rail, injectors, and pressure control elements. They are mounted between the fuel tank and the combustion chamber and work with the engine electronics. |
| What are fuel injection systems used for? | Fuel injection systems are used to deliver the appropriate dose of fuel at the right moment of engine operation. Their task is to maintain proper combustion, performance, and smoothness of the power unit. When they malfunction, problems with starting, power loss, and increased fuel consumption may occur. |
| What is the construction and function of a fuel rail? | A fuel rail is an element that distributes fuel to individual injectors at a set pressure. Depending on the design, it may work with a pressure sensor and a control valve. Its proper tightness and compatibility with the system affect the even supply of the cylinders and the stability of engine operation. |
| How to choose parts for fuel injection systems for a specific engine version? | It is best to compare the OEM number, engine code, connector type, and factory-installed equipment version. It is also worth checking whether the part is intended for the pre-facelift or facelift version and whether it fits the specific control type. For elements such as pumps and injectors, verification by VIN is also helpful. |
| What symptoms indicate a problem with the fuel injection system? | The most common are uneven engine operation, difficulty starting, power loss, and increased smoke. Symptoms can result from an injector leak, unstable fuel pressure, or dirt in the system. In diagnostics, it is also worth checking the fuel filter, lines, and cooperating sensors. |
| What should be paid attention to when installing used fuel injection system parts? | Before installation, compare catalog numbers, mounting points, ports, threads, and the type of electrical plug. In many cases, you also need to assess the condition of the seals and check whether the part works with the remaining fuel equipment. Proper selection limits the risk of leaks and speeds up the installation itself. |
Summary: fuel injection systems and parts at the Global Parts automotive store
Fuel injection systems are the foundation of the efficiency and reliability of every engine. By taking care of their proper operation, you ensure your vehicle has optimal performance, fuel economy, and a longer lifespan. In the Global Parts offer, you will find proven components for many car models, including BMW, Audi, Volkswagen, Mercedes, Mini, and others. Properly selected pumps, injectors, rails, and regulators help maintain correct engine supply parameters and simplify repairs in accordance with the OEM number and car version. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.