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.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9153135
BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
Promo price
€474.95
€284.97
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A2466280041
Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 1722094
Battery Cable BMW E36 E46 M43 M57 Starter Alternator Wiring Harness 1722094
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2128201789
Mercedes W212 Antenna Amplifier Aerial Module C Pillar Left N/S A2128201789
Promo price
€23.95
€22.75
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If paid before 14:00
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Part no. A2125409110-1
Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110
Promo price
€23.95
€22.75
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If paid before 14:00
Part no. KV6T10C679BC
Ford Transit Connect Battery Cable Negative Lead Terminal Harness KV6T10C679BC
€28.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2218101817
Mercedes-Benz W221 Rear Left Right N/O/S Headlining Interior Mirror A2218101817
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2059000524
Mercedes W207 W212 Telematics Services Communication Module A2059000524
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 31327066
Starter Motor Volvo S40 V70 XC90 Diesel Engine Actuator Motor 31327066
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A6461505072-1
Mercedes W211 E220 CDI 646.821 170HP Engine ECU Kit A6461505072 Ignition + Key
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 14
If paid before 14:00
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Part no. 7795844-1
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 ECU Engine DDE 7795844 Control Unit
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 14
If paid before 14:00
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Part no. 4G8959792G
Audi A6 C7 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6C1T14A067E
Ford Transit Mk7 Fuse Box Battery Terminal Unit Module 6C1T-14A067-E
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€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
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Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2079001200
Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 8512047-7
BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic
€180.95
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If paid before 14:00
-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A2139003022
Door Module Mercedes W205 W213 X253 Rear Right Door Control Unit A2139003022
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2129000204
Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H09076588
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8602994
BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2829003300
Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0959795N
Audi A4 B8 Rear Door Control Module Unit Left Right N/O/S 8T0959795N
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A6519007500-7
Mercedes A207 C207 E220 CDI 651.911 BE Engine ECU Kit Ignition + Key A6519007500
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 8715804
BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
€218.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4G8959795J
Audi A7 4G8 Rear Door Module Control Module Unit Left Right N/O/S 4G8959795J
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1J0971235S
Audi TT 8N HV Battery Negative Earth Terminal Harness Wiring Cable 1J0971235S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1665400180
Mercedes W166 Fuse Box Relay Cover Shield Cap Trim A1665400180
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8779030
BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2208202389
Mercedes-Benz S W220 Radio Antenna Aerial Parasitic Noise Filter A2208202389
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0045468540
Mercedes W221 Distributor Box Block Control Unit Relay A0045468540
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
€23.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 390203254
Seat Adjustment Motor Mercedes R171 W221 Front Seat Motor Actuator 0390203254
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 391144A240
Hyundai H-1 2.5 Diesel Engine Control Unit Module 39114-4A240 Manual
Promo price
€279.95
€167.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6770600
Mini R55 R56 Gearbox Clutch Cylinder Control Cylinder Unit 6770600
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 06L971627A
Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2055457200
Mercedes W205 Radio Stereo Head Unit Mount Bracket Holder Support A2055457200
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A4475400053
Mercedes Vito W447 Negative Battery Cable A4475400053
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2049009301
Mercedes W212 Media Interface Control Unit Module Multimedia A2049009301
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1729051301
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2135409916
Earth Ground Cable Mercedes W213 S213 Battery Wiring Loom Engine A2135409916
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A1779069601-1
Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601
Promo price
€123.95
€74.37
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8E0907637
Audi A4 B7 YAW Sensor ESP Rotation Rate Acceleration Control Unit 8E0907637
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1635401230
Mercedes W163 Negative Battery Minus Terminal Lead Cable A1635401230
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2078205489
Mercedes-Benz W207 A207 Left Right A-Pillar Radio Aerial Antenna Amplifier Unit
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
Promo price
€146.95
€88.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8T0959795F
Audi A5 8F Window Lifter Module Control Unit Rear Left Right N/O/S 8T0959795F
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8U0971104E
Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104E
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4M0907247
Audi A4 B9 A5 F5 Keyless Entry Amplifier Control Box Module Antenna 4M0907247
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 93457542
Radio Player Renault Trafic III Vauxhall Vivaro B Audio Head Unit 93457542
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 4H0907401M
Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M
Promo price
€446.95
€268.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2045451040
Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9118262
Antenna Amplifier BMW F10 F22 F30 F32 Module Trap Circuit Control Unit 9118262
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9326452
Door Wiring Harness BMW F34 Rear Left Right Door N/O/S Wiring Loom 9326452
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 6940719
Mini Cooper One R50 R53 Temperature Control Actuator Climate 6940719 0132801354
€37.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8W0907063CF
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W0907063CF
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8590102
Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2044409005
Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 7621178-5
BMW E81 E87 LCI E90 N43 118i 318i Engine Control ECU DME Kit 7621178 Automatic
€375.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 2755704
Genuine BMW Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2118703126
Headlight Module Mercedes C209 W211 CLS C219 Level Control Unit ECU A2118703126
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8U0907468AC
Audi A1 8X Q3 8U Central Gateway Control Unit Module Relay ECU 8U0907468AC
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8635816
Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5LA907357H
Audi A6 C6 Front Lamp Headlight Range Control Module Unit ECU 5LA907357H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 05L907309
Audi A4 B9 A5 F5 30 TDI DTNB 136HP Engine Control Unit ECU 05L907309 Automatic
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8321087
BMW 5 SERIES E60 ELECTRIC SEAT Height Adjust 0390203234 8321087
Promo price
€24.95
€23.70
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9118111
BMW 1 Series E81 E82 Door Wiring Loom Harness 9118111
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A2128300008
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2128300008
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1669063901
Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. A0009002740
Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A0035420819
Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A2075404207
Mercedes W204 M276 NOX Sensor Adapter Right O/S Harness Wiring Cable A2075404207
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6974370
Alarm System Unit BMW E60 E61 Ultra Sonic Module 6974370
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7799855-2
BMW 1 3 5 Series E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE CAS2 Key 7799855
Promo price
€541.95
€325.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 5TRK0200UK
BMW X5 E53 GPS Vehicle Location Tracker Control Unit Module ECU 5TRK0200UK
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8377656
BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. A1679004211
Door Module Mercedes W205 W213 W910 Front Right O/S Control Unit ECU A1679004211
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. A2075401650-1
Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
€56.95
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 4H0881073B
Audi A8L 4H Front Seat Air Pump Control Module Unit 4H0881073B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8647841
BMW F45 X1 F48 Mini F55 F56 F57 Integrated Supply Module Z11 8647841
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6934002
BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6970890
BMW 7 Series E65 E66 E67 Sensor B-pillar Left Airbag N/S 6970890
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. A1635400734
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635400734
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 14
If paid before 14:00
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 .