Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 9170453-1
BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
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ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BF
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Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
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Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187
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Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
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BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086
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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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BMW F20 F21 F22 F30 Radio BMW Professional CD DAB Player Controller 9341082
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Porsche Macan 95B PDC Parking Sensor Control Module Unit 95B919294C
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VW Polo 6R Seat Ibiza 6J Body Control Comfort Unit Module BCM 6R0937087H
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
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Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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Mercedes W176 Occupancy Mat Front Passenger Seat Sensor Control Unit A1178700110
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Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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VW Transporter T6 Negative Minus Earth HV Battery Cable Wire 7E0915181N
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Airbag Module Citroen Berlingo Peugeot Partner Control Unit Sensor 9674290780
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Audi TT 8J Audio Amplifier Premium Sound Booster Control Unit Bose 8J0035223C
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Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405
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Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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Mini R50 R52 Starter Motor Engine W10 0,9KW Bosch Actuator 1489994
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Renault Trafic 3 R9M 1.6 DCI Engine Control Unit Module ECU 237103888R Manual
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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BMW F10 Body Control Module Electronic Junction Box 9284272
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BMW X3 Series E83 Rear Bumper Wiring Loom PDC Harness Towing Hitch Hook
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Audi A3 S3 RS3 8Y Online Service Control Module Unit 8Y0035282B
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Mercedes-Benz W168 M166 Engine Wiring Harness Loom Cable A1661500033
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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VW Scirocco Mk3 2.0 TDI CBDB 140HP Engine Control Module ECU 03L906022KD Manual
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Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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Porsche Cayenne 92A Front Headlight Xenon Ballast Control Module Unit 7P5907381B
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BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Manual
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VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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BMW E87 LCI E90 118i 318i N43 143HP ECU Control Kit DME 7583225 Automatic
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Mercedes C118 W177 W247 Front Door Module Control Unit Right O/S A1779007616
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
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Mercedes W164 C207 Automatic Gearbox ECU Control Unit EGS Module A0002703352
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF
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On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Audi A4 B8 A5 8T MMI Multimedia Interface Control Unit Module 4E0035785D
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BMW F01 F02 LCI Cable Loom Door Driver's Side Wiring Harness 9262859
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Ford Fiesta Mk7 MMI Radio Stereo CD Player Display Screen F1BT-18B955-GA
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BMW E88 Footwell Light Module Control Unit ECU Basis PL2 FRM3R 9308361
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
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Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor Unit 022911023H
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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BMW E60 E61 Doors Wiring Loom Harness Co-Drivers Passengers Side 9120773
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Mini F54 F55 F56 F60 Telematics Module Bluetooth Control Unit ECU 5A04A04
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BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Ford Transit Custom Dashboard Display Screen Monitor Touchscreen K1BT-18B955-FD
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BMW E87 LCI E90 120i 320i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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Range Rover L405 Amplifier AMP Audio System Sound Module Unit BJ32-19C164-BG
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Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2189005607
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Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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BMW 5 Series E61 Body Gateway Module KGM LOW LEAR 9133144
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BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Ford Transit MK7 Diesel Engine Wiring Cable Harness CC1T-12B637-BAE
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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Part no. 9170454
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Part no. 7638322-1
Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key
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Part no. A2129004201
Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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Part no. 6960000
BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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BMW E89 Light Led Module Footwell Unit Lear FRM3R PL2 9241006
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Part no. 9247874-2
BMW F06 F12 F13 Central Information Display Screen CIC Navigation 9247874
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .