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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Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600
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Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Mini Cooper One R60 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3456988
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Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Audi A4 B9 Front Door Module Control Unit ECU Passenger Side 8W0959592N
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Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385
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BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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Mercedes R171 SLK200 Module Front Door Right O/S Control Module Unit A1718200626
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018
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Audi A3 RS3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376E
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Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C
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Mini Cooper R56 LCI R60 N47N 122HP Diesel Engine ECU Kit DDE 8519663 CAS 3 Key
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988
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Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224
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BMW 3 4 Series F30 F82 M4 Carrier Mount Holder Backrest Left N/S 7346699
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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BMW 1 Series F20 F21 114i N13 Engine Control Unit ECU Module DME 8614302 Manual
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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BMW E39 Radio Business Cassette Player 6958566 8377005
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Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Control Unit Air Bag 6858700
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Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player 5E0919605B
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
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Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 3457441
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Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289
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Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
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Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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BMW 1 X1 Series E81 E84 E87 RR1 Battery Lead Cable Negative IBS 6948335
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BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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Part no. 9807168
Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Part no. 3456986
Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
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BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual
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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual
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MINI Cooper S R55 R56 LCI R60 Alternator Generator 150A Petrol 7604782
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Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
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BMW E39 Alternator Generator 14V 50/90A 1432978
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Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
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BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782
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Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Control Unit DME 7567321 Manual
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Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Radio Stereo BMW F20 F30 F31 Professional CD DAB Nav Head Unit 9299272
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Mercedes R172 Cable Beam Engine Wiring Harness Loom A1725400533
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BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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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 .