What is the construction and purpose of fuses and fuse boxes?

Fuses and fuse boxes are components of a car's electrical installation responsible for protection and power distribution to individual circuits. A typical fuse contains a fusible link with a specific current rating, and a fuse box has sockets, connectors, circuit descriptions, and often spaces for relays. These elements are mounted in the cabin, engine compartment, or trunk, depending on the vehicle version.

What are fuses and fuse boxes used for?

Fuses and fuse boxes are used to protect wires and power consumers from the effects of overloads and short circuits. Their task is also to organize electrical circuits, which facilitates diagnostics and replacement of a damaged element. Without efficient protection, a failure in one circuit can affect the operation of lights, radio, air conditioning, or control modules.

What is the construction and function of a car electrical relay?

A car electrical relay is a control element that uses a small current to switch a higher-load circuit on or off. It usually consists of a housing, a coil, working contacts, and terminals fitting into a socket in the box. The cooperation of the relay with the fuse box allows for proper power supply to systems such as fans, heating, or selected comfort modules.

How to choose the right fuse box for a car?

It is best to compare the OEM part number, interchangeable numbers, mounting location on the vehicle, and connector type. It is also worth checking the engine version, equipment, and any differences between pre-facelift and post-facelift models. For boxes integrated with relays, the completeness of the relay configuration and pin layout compatibility are also important.

What symptoms indicate a problem with a fuse or fuse box?

A typical symptom is the sudden failure of one device or a whole group of consumers, for example, lights, wipers, or the radio. In the case of a fuse box, there may be power interruptions, traces of overheating, corroded contacts, or loose sockets. Repeated fuse blowing usually means that you also need to check the installation and the component powered by the given circuit.

How to maintain fuses and fuse boxes after installation?

After installation, it is worth periodically checking the cleanliness of the housing, the condition of the cover, and the absence of moisture traces at the connectors. Do not replace a fuse with an element of a higher rating than specified by the manufacturer. It is also good practice to compare the circuit description with the actual car equipment after every major installation repair.

Fuses and fuse boxes

At Global Parts, we offer a wide selection of original used car parts, including fuses and fuse boxes for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our fuses and fuse boxes undergo quality control to ensure you receive a top-quality product.

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Volkswagen Transporter T5 Main Fuse Socket Connector Housing Bracket 7E0937545A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. E1BT-14K012-PDB

Ford Fiesta Mk7 Engine Fuse Box Control Unit Module E1BT-14K012-PDB

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A9075402605

Mercedes W907 Fuse Box Control Unit Module Q2 A9075402605

€61.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1695450003

Mercedes W169 Fuse Box Cover Trim Panel A1695450003

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6991400

BMW I4 G26 High Voltage Battery Inverter Control Jump Start Unit 6991400

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 2Q0937550B

Volkswagen Polo Gti AW1 Fusebox Power Distribution 2.0 TFSI Petrol 2Q0937550B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9316568

BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6932452

BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9234424

BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. HK83-14A390-AAA

Range Rover Velar L560 Jaguar F-Pace X761 Fuse Box Cover Lid HK83-14A390-AAA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 52236707

Vauxhall Movano C Fuse Box Module Unit 2.2 Diesel B22LUE 52236707

€189.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 46867943

Vauxhall Movano C Additional Fuse Box Module Unit 2.2 Diesel B22LUE 46867943

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 914014H161

Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91401-4H161

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8387547

Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 52218980

Vauxhall Movano C Fuse Box Cover Covering Lid Top Housing 52218980

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9213373

Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8W0937530

Audi Q7 4M Fuse Box Module Holder Relay Box 8W0937530

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5A323C8

BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 52218981

Vauxhall Movano C Fuse Box Cover Housing Bracket Case Enclosure 52218981

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2229063202-1

Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8V5114A175AA

Ford Fiesta Mk7 Fuse Relay Box Control Module 8V51-14A175-AA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9289374

BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 912034H670

Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91203-4H670

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. K8D2-14A076-CB

Land Rover Discovery Sport L550 Fuse Relay Box Cover Lid Panel K8D2-14A076-CB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. HEV30A

Littelfuse HEV30A Bolt Down Ceramic Fuse Power Relay Electrical Unit

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AC1T9K499FNA

Ford Transit Mk7 Fuse Box Loom Wiring Harness Under Bonnet Unit AC1T-9K499-FNA

€75.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 99761011001

Porsche Cayman 987C Electrical Fuse Module Box Relay Control 99761011001

€61.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8K0941824

Audi A5 8T A6 C6 A7 4G Relay Fuse Box Connector Socket Module Unit 8K0941824

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 4K0941828

Audi A6 C8 Fuse Box Relay Control Unit Module 4K0941828

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8V0937548

Audi A3 S3 RS3 8V Bettery Terminal Fuse Box Unit 8V0937548

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. JPLA-14A073-BB

Range Rover Sport L494 Fuse Relay Box JPLA-14A073-BB

€66.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. M8D2-14A073-BA

Land Rover Range Rover Evoque L551 Fuse Box 2.0 Diesel Electric M8D2-14A073-BA

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2465451500

Mercedes W176 Control Unit Bracket Holder Mount A2465451500

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8T8971845

Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6837090

BMW G30 G31 Fuse Box Control Unit Module 6837090

€142.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2139065706-2

Porsche Cayenne S 92a Front Engine Fuse Relay Box Module Unit A2139065706

€66.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8K0941824B

Audi Q5 8R Q7 4L A7 4G Fuse Box Connector Socket Module Unit 8K0941824B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 000937615B

Audi Q3 F3 Volkswagen Tiguan 5N Jetta Mk4 Fuse Relay Box 000937615B

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9303543

BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AH42-14A073-AB

Land Rover Range Rover L322 Engine Bay Fuse Box Module AH42-14A073-AB

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9289374-1

BMW X5 F15 X6 F16 Front Battery Fuse Box Positive Distribution Terminal 9289374

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T14A175CA

Ford Transit Custom MK8 Fuse Relay Box Control Unit Module BK2T-14A175-CA

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2055407311

Mercedes C205 C63 AMG Fuse Box Housing Cover A2055407311

€127.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7533282

BMW X3 Z4 E83 E85 E86 Fuse Box Cover Power Distribution Engine Bay 7533282

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. a0045468040

Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6994420

BMW G20 G21 330e Hybrid Rear Power Distribution Fuse Box 6994420

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 4F1941824A

Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BJ32-06040-AB

Range Rover Evoque L538 Storage Fuse Box Schema Cover Cap BJ32-06040-AB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7L0941824A

Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941828A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 99761034000

Porsche Cayman 987C Fuse Box Electrical Distribution Control Unit 99761034000

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8X0937124

Audi A1 8X Fuse Relay Box Module Control Unit 8X0937124

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. GK72-14A076-BA

Land Rover Discovery Sport L550 Fuse Box Cap Cover Trim GK72-14A076-BA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. JX63-14N030-AB

Range Rover Velar L560 Rear Boot Trunk Fuse Box Relay Module JX63-14N030-AB

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. CH22-14F041-BC

Land Rover Discovery 4 L319 Junction Fuse Box Control Module CH22-14F041-BC

€80.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. HPLA-14A073-KA

Range Rover Sport L494 Engine Bay Fuse Box Control Unit HPLA-14A073-KA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T14A094BA

Ford Transit Mk8 Battery Fuse Box BK2T14A094BA

€51.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A9425426040

Mercedes Sprinter W906 Fuse Box Relay Carrier Holder Bracket A9425426040

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9664944780

Citroën C4 Grand Picasso Fuse Box Cover Lid Under Bonnet 1.6 HDi 9664944780

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6C1T-14A067-EA

Ford Transit Mk7 Battery Terminal Fuse Box Cover Lid Top 6C1T-14A067-EA

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6G9T-14A301-FC

Ford Mondeo Mk3 Fuse Relay Box Bracket Holder Support Carrier 6G9T-14A301-FC

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2139068801-1

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2035450301

Mercedes-Benz C CLK Class W203 W209 Battery Terminal Fuse Box A2035450301

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK3T-14401-ELC

Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-ELC

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 4L1937503

Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 3457416

Mini Cooper R58 Fuse Distribution Box Control Unit High PL3 SPEG H8 3457416

€165.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T-14401-FHE

Ford Transit Connect Fuse Relay Box Panel 1.5 EcoBlue Diesel BK2T-14401-FHE

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A9076830400

Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T14B144BA

Ford Transit Custom MK8 2.2 TDCI Fuse Relay Box Unit Module BK2T14B144BA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AH42-14N030-AE

Land Rover Range Rover L322 Rear Fuse Relay Box AH42-14N030-AE

€51.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8W0941828

Audi A4 B9 A5 F5 Fuse Box Battery Terminal Housing 3.0 TDI 8W0941828

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0009050038

Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050038

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6C1T-14A076-AD

Ford Transit Mk7 Fuse Box Housing Lid Cover Trim 6C1T-14A076-AD

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. GK2T-9K499-ABB

Ford Transit Custom Engine Fuse Box Wiring Loom Harness Cable GK2T9K499ABB

€113.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6C1T14A067E

Ford Transit Mk7 Fuse Box Battery Terminal Unit Module 6C1T-14A067-E

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0005459712

Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6G9T-14K131-DB

Range Rover Evoque L538 Fuse Relay Box Module 2.2 Diesel 6G9T-14K131-DB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1665460143

Mercedes ML W166 Fuse Box Electric Distribution Control Module A1665460143

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129000204

Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1665400180

Mercedes W166 Fuse Box Relay Cover Shield Cap Trim A1665400180

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0045468540

Mercedes W221 Distributor Box Block Control Unit Relay A0045468540

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 3Q0937125C

Audi RS3 F3 RSQ3 F3 Fuse Box Housing Module Left N/S 2.5 TFSI 3Q0937125C

€99.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1779069601-1

Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601

€123.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BS7T-14K131-BA

Range Rover Evoque L538 Fuse Relay Box Module 2.2 Diesel BS7T-14K131-BA

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 3c0937125

Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129060605

Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

€85.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9252812

BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812

€51.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8X0915459

Audi A1 8X Positive Battery Overload Protection 8X0915459

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 2755704

Genuine BMW Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2468200035

Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1669063901

Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5Q0927165A

Volkswagen Golf R Mk7 Fuse Box Cover Housing Closing Element Bracket 5Q0927165A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 99661021101

Porsche Boxster 986 Fuse Box Relay Fuse Module Control Unit 99661021101

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2215450601

Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5H22-18B692-BA

Land Rover Discovery Mk3 L319 Brake Servo Fuse Box Trim Left N/S 5H22-18B692-BA

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T-14A075-AA

Ford Transit Custom Mk8 Fusebox Cover Upper Lid Trim BK2T-14A075-AA

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9663798180

Peugeot 308 T7 Fuse Box Body Control Module BSI BCM 9663798180

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129004001

Mercedes W212 Fuse Box Control Unit Module SAM Relay Electrical Unit A2129004001

€161.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BS7T-14K131-B

Land Rover Freelander 2 L359 Fuse Relay Box BS7T-14K131-B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

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