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
-15%
Part no. A0009006102
Mercedes Vito W639 ECU Control Unit Crash Impact Module Air Module A0009006102
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0025428419
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428419
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8200881264
Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A6421509478
Mercedes ML W164 OM642 Diesel Engine Control Unit Module ECU A6421509478
Promo price
€189.95
€113.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 5M5T14B192EA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO 5M5T14B192EA
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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Part no. 6994419
BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419
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€23.95
€22.75
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Part no. 5A37095
BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095
€51.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9204536
BMW E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
€42.95
Free delivery - Fri, Jan 02
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Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6803169
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 7618677
Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 0AD927755BT
Porsche Cayenne 9PA Gearbox Control Unit Module Controller ECU 0AD927755BT
€113.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A1779061102
Fuse Box Mercedes W177 Relay Fuse Box COntrol Module Unit A1779061102
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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Part no. 6960225
BMW E65 E66 E67 Sensor Vehicle Centre Air Control Unit Module 6960225
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€23.95
€22.75
Free delivery - Fri, Jan 02
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Part no. 5M5T14B192CA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO SET 5M5T14B192CA
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. A9079006906
Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906
Promo price
€199.95
€169.96
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 8507885
BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A1179008700
Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700
Promo price
€94.95
€56.97
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 3455306
Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 6850374
BMW 1 3 Series E81 E87 E88 E90 E91 E92 Accelerator Speed Sensor 6850374 6778421
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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Part no. A2046280218
Mercedes W204 Battery Bracket Mount Support Holder A2046280218
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8665279
BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8665279 Manual
Promo price
€379.95
€322.96
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9305736
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736
Promo price
€61.95
€37.17
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9267203
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359267203 9267203
Promo price
€47.95
€28.77
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 02Z911023N
Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8R0907468AE
Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468AE
Promo price
€99.95
€59.97
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8E0857925G
Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925G
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9190110
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 99661230310
Porsche Boxster 986 Wiring Cables Harness Loom Front Left N/S 99661230310
€66.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9188877
BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9383176
BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176
Promo price
€113.95
€68.37
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7795021
BMW E60 E61 E63 LCI Earth Cable Electrical Battery Wiring 7789757
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
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 - Fri, Jan 02
If paid before 14:00
-15%
Part no. A9065460121
Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9171217
BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. H1BT18K811LF
Ford Transit Custom Mk1 Radio Head Unit Control Panel H1BT18K811LF
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1695403945-1
Mercedes W169 W245 Central Gateway Control Unit Module ECU A1695403945
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 4E0035654A
Audi A6 C6 MMI Multimedia Navigation Control Head Unit 4E0035654A
Promo price
€284.95
€170.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6925964
BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4F0959794E
Audi A6 C6 Rear Door Right O/S Module Unit Control ECU 4F0959794E
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6798242
ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8W0915181
Audi TT FV 8S Negative Battery Cable Lead Monitoring Module 8W0915181
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8N0906018CB
Audi TT 8N 1.8T BAM 224HP Quattro Engine Control Unit ECU 8N0906018CB Manual
€170.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6906347-1
BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0009055504-TNG
Mercedes W205 W212 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A6396641914
Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2429004101
Mercedes W204 W212 Telephone Control Unit Module ECU A2429004101
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6935597-TS1
BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1693000204-2
Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module A1693000204
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9131779
BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A1645403130
Mercedes W164 Positive Battery Cable Wiring A1645403130
Promo price
€170.95
€102.57
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1665400182-1
Mercedes C292 Fuse Box Cover Trim Panel Lid Black A1665400182
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 7508637
BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7786372
BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9156654
BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6974246
BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9313618
BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 95B907801C
Porsche Macan 95B Electric Parking Brake Module Control Unit 95B907801C
€37.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 4G0035061A
Volkswagen Touareg 7P Multimedia Navigation Radio Control Head Unit 4G0035061A
€265.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8519668-4
BMW E90 E91 LCI 320d N47N 184HP Engine Control ECU Kit DDE 8519668 Automatic
€203.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 04L907309R-4
Skoda Octavia III 5E 2.0 TDI 184HP CUNA Engine Control ECU Kit 04L907309R Manual
€142.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 0010020V001
Smart ForTwo C450 M160.920 0.7 61HP Engine Control ECU 0010020V001 Automatic
€66.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6950364
BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9438731
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9438731
Promo price
€151.95
€129.16
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
Promo price
€237.95
€142.77
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A1775405501
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775405501
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2139002722
Door Module Mercedes W205 W213 X253 Rear Left Door Control Unit A2139002722
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A1694710141
Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6940588
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6940588
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7614083
BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
€284.95
€170.97
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9270500
BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
Promo price
€113.95
€68.37
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2229002112
Door Module Mercedes W205 GLC C253 Control Unit Rear Right O/S A2229002112
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 5Q0035874B
Skoda Octavia 5E MMI Multimedia SAT NAV Radio Stereo Head Unit 5Q0035874B
€284.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1779004106
Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. ML3T-10C652-BA
VW Amarok NF Battery Terminal Cable Wiring Battery ML3T-10C652-BA
€56.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6975069
Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8T0919603C
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
€47.95
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2229004213-1
Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
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€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
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Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8512415-7
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8512415 CAS3 Key Manual
Promo price
€227.95
€136.77
Free delivery - Fri, Jan 02
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 .