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.

More information

Find it faster

Match to your vehicle

Make

BMW F30 LCI Fuse Box Fusebox Holder Support Mount Bracket Carrier 8624341

Product currently unavailable

Part no. A2059067200-1

Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200

Product currently unavailable

Part no. 9807028750

Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880

Product currently unavailable

Part no. A2129009425-1

Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009425

Product currently unavailable

Part no. 4G0907355F

Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F

Product currently unavailable

Part no. 3M5T-14A076-AC

Ford Focus Mk2 Under Hood Bonnet Fuse Box Cover Lid Trim Panel 3M5T-14A076-AC

Product currently unavailable

Part no. 5WA937132A

VW Volkswagen Caddy SB Golf GTI CD1 Fuse Box Cover Top Lid Housing 5WA937132A

Product currently unavailable

Part no. 3C0937548

Volkswagen Passat CC Rear Tailgate Fuse Box Power Distribution 3C0937548

Product currently unavailable

Part no. CK52-14A067-BB-1

Range Rover Vogue L405 Fuse Relay Box Electrical Unit CK52-14A067-BB

Product currently unavailable

Part no. 7P0937548J

Porsche Cayenne 92A Fuse Box Module Hybrid 7P0937548J

Product currently unavailable

Part no. 8266205130

Toyota Avensis T270 Fuse Box Cover Lid Trim Panel 8266205130

Product currently unavailable

Part no. 4G0907355F-1

Audi A7 4G Fuse Box Control Module Housing Cover Holder 4G0907355F

Product currently unavailable

Part no. K8D2-14N073-AC

Range Rover Evoque L551 Fuse Box Electrical Module Unit Hybrid K8D2-14N073-AC

Product currently unavailable

Part no. 4G0907613D

Audi A6 C7 A7 4G Fuse Box Modules Housing Cap Trim 4G0907613D

Product currently unavailable

Part no. 6500CW

Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CW

Product currently unavailable

Part no. 4G0971502AJ

Audi A7 4G Fuse Box Control Unit Strap Holder Mount Bracket 4G0971502AJ

Product currently unavailable

Part no. 5Q0937125B-1

Skoda Octavia 5E Engine Compartment Fuse Box Relay Control Unit 5Q0937125B

Product currently unavailable

Part no. BV6N-14A073-FU

Ford Focus Mk3 C-Max Mk2 Body Control Module BCM Fuse Box BV6N-14A073-FU

Product currently unavailable

Part no. A1645402401

Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401

Product currently unavailable

Part no. A4479060400

Mercedes W447 Fuse Relay Box Module Control Unit A4479060400

Product currently unavailable

Part no. YQE103310

Land Rover Discovery 2 L318 Fuse Box Relay Control Module Unit YQE103310

Product currently unavailable

Part no. 99161010300

Porsche Cayman Boxster 718 982 981 Fuse Relay Box 99161010300

Product currently unavailable

Part no. A1775405931

Mercedes W177 Engine Compartment Power Distribution Fuse Box Unit A1775405931

Product currently unavailable

Part no. A1645403372-1

Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372

Product currently unavailable

Part no. 99965075040

Porsche 718 911 Boxster Cayman 987 Fuse Holder Fuse Box Module Part 99965075040

Product currently unavailable

Part no. A2475451001

Mercedes W177 Fuse Box Holder Bracket Support Mount Carrier A2475451001

Product currently unavailable

Part no. 3457579

Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579

Product currently unavailable

Part no. 9866981

BMW 1 Series F20 REM Rear Electronic Module Fuse Box Control Unit V4 9866981

Product currently unavailable

Part no. K8D2-14A076-CA

Range Rover Evoque L551 Battery Fuse Box Cover Panel K8D2-14A076-CA

Product currently unavailable

Part no. 51781452

Fiat Panda Mk2 Under Bonnet Fuse Relay Box Housing 1.1 51781452

Product currently unavailable

Part no. GH22-14K016-EA

Land Rover Discovery 4 L319 Fuse Box Upper Lid Cover Panel GH22-14K016-EA

Product currently unavailable

Part no. 6S6Y-14401-NDF

Ford Fiesta St Mk5 Fuse Box Relay Box Module 2.0 DURATEC ST150 6S6Y-14401-NDF

Product currently unavailable

Part no. 6R0937548E

Skoda Fabia 5J Mk2 Battery Fuse Box Distribution Unit 6R0937550A

Product currently unavailable

Part no. A2215408745

Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745

Product currently unavailable

Part no. 7LA937550A

VW Transporter T6 Fusebox Module Power Distribution Control Module 7LA937550A

Product currently unavailable

Part no. AC1T-9K499-FNA-1

Ford Transit Mk7 Engine Bay Fuse Box Wiring Loom 2.2 TDCi AC1T-9K499-FNA

Product currently unavailable

Part no. A6395400050

Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400050

Product currently unavailable

Part no. 9119445-2

BMW E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445

Product currently unavailable

Part no. HG9T-14A301-AB

Ford Mondeo Mk5 Hybrid Front Fuse Relay Junction Box Bracket HG9T-14A301-AB

Product currently unavailable

Part no. 1KO937125D

VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D

Product currently unavailable

Part no. BH42-14F041-AA

Land Rover Range Rover L322 Body Control Module Fuse Box 4.4 TDV8 BH42-14F041-AA

Product currently unavailable

Part no. A2129060017

Mercedes W212 Hybrid Engine Bay Fuse Relay Box Housing A2129060017

Product currently unavailable

Part no. KT1T-14D068-DD-1

Ford Transit Connect Mk2 Engine Fuse Relay Box 1.5 Diesel KT1T-14D068-DD

Product currently unavailable

Part no. CK52-14A067-BB

Land Rover Range Rover L405 Fuse Relay Box CK52-14A067-BB

Product currently unavailable

Part no. A1695405645-2

Mercedes W169 SAM Control Module Fuse Box Unit A1695405645

Product currently unavailable

Part no. 1398635080

Citroën Boxer Relay Body Control Module BCM Fuse Box 1398635080

Product currently unavailable

Part no. A2129005722-1

Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722

Product currently unavailable

Part no. CK52-14A067-BB-2

Range Rover Vogue L405 Fuse Relay Box Electrical Unit CK52-14A067-BB

Product currently unavailable

Part no. A2123300135

Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135

Product currently unavailable

Part no. BV6N-14A073-EU

Ford Focus Mk3 BCM Body Control Module Fuse Box Electrical Unit BV6N-14A073-EU

Product currently unavailable

Part no. 09132701

Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 09132701

Product currently unavailable

Part no. 90589541

Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541

Product currently unavailable

Part no. 6500CY

Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY

Product currently unavailable

Part no. 7LA937548

Volkswagen Transporter T6 Power Distribution Unit Box With Bracket 7LA937548

Product currently unavailable

Part no. R8D2-14A076-AA

Land Rover Discovery Sport L550 Fuse Relay Box Lid Left N/S PHEV R8D2-14A076-AA

Product currently unavailable

Part no. A1405400282

Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282

Product currently unavailable

Part no. 4M0941824AP

Audi Q7 4M Fuse Box Power Distribution Unit Control Module 4M0941824AP

Product currently unavailable

Part no. A2049006709

Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2049006709

Product currently unavailable

Part no. Q0011868V010000000

Smart Fortwo C450 Signal Acquisition Module Fuse Box Interior Q0011868V010000000

Product currently unavailable

Part no. 8W0941823E

Audi A4 B9 A5 F5 Power Distribution Fuse Box Battery Unit 8W0941823E

Product currently unavailable

Part no. 6C1T-9K499-AFB

Ford Transit Mk7 Engine Bay Fuse Box Loom Harness Cables 6C1T-9K499-AFB

Product currently unavailable

Part no. LT1T-15604-DCB

Ford Transit Connect Mk2 Body Control Fuse Box Module BCM LT1T-15604-DCB

Product currently unavailable

Part no. 8V51-14B144-BA

Ford Fiesta Mk7 Fuse Relay Box Module Control Unit 8V51-14B144-BA

Product currently unavailable

Part no. M8D2-14A073-AA

Land Range Rover Evoque L551 L550 Fuse Box Relay Box Module Unit M8D2-14A073-AA

Product currently unavailable

Part no. 6G9T-14A067-CA

Ford Mondeo Mk4 Fuse Distribution Box Electrical Unit Diesel 6G9T-14A067-CA

Product currently unavailable

Part no. 4K0915459

Audi A6 C8 Battery Postive Terminal Distribution Power Board 4K0915459

Product currently unavailable

Part no. A1665402450-1

Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

Product currently unavailable

Part no. JK72-14A076-AA

Land Rover Discovery Sport L550 Fuse Box Cover Cap JK72-14A076-AA

Product currently unavailable

Part no. 9H22-14290-VA

Land Rover Discovery 3 L319 Fuse Box Power Distribution 9H22-14290-VA

Product currently unavailable

Part no. A4519001602

Smart Fortwo 451 SAM Control Unit Fuse Box A4519001602

Product currently unavailable

Part no. A2139068701-2

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Control Unit A2139068701

Product currently unavailable

Part no. rhd-A2055400124

Mercedes W205 Fuse Box Relay Housing Cover A2055400124

Product currently unavailable

Part no. A2129060605-1

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

Product currently unavailable

Part no. 51794731

Fiat Panda Mk2 Fuse Box Relay Cover Lid Cap Housing Under Bonnet 51794731

Product currently unavailable

Part no. GK3T-14401-EWC

Ford Transit Mk8 Fuse Relay Box Control Unit 2.0 Diesel GK3T-14401-EWC

Product currently unavailable

Part no. 7E0937617-1

Volkswagen Transporter T5 Fuse Box Control Module Unit 7E0937617

Product currently unavailable

Part no. 7M5T-14A073-DC

Ford Focus Mk2 Body Control Module BCM Fuse Box Unit 7M5T-14A073-DC

Product currently unavailable

Part no. 9636079380

Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380

Product currently unavailable

Part no. 8X2T-14A075-AA

Jaguar XF X250 Fuse Relay Box Cover Panel Trim 8X2T-14A075-AA

Product currently unavailable

Part no. lhd-A2215400224

Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224

Product currently unavailable

Part no. E1BT14K012DFD

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

Product currently unavailable

Part no. 5WA937548

Audi A3 8Y Skoda Octavia Mk4 VRS VW Golf Mk8 Battery End Fuse Box 5WA937548

Product currently unavailable

Part no. AV6T-14K131-AB

Ford Focus Mk3 Fuse Box Module Under Bonnet AV6T-14K131-AB

Product currently unavailable

Part no. AH42-00082-BA

Land Rover Range Rover L322 Engine Compartment Fuse Box Cover AH42-00082-BA

Product currently unavailable

Part no. A2035450701

Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701

Product currently unavailable

Part no. A4475404326-1

Mercedes Vito W447 Fuse Relay Box Control Module A4475404326

Product currently unavailable

Part no. A1636801080

Mercedes ML W163 Cover Footwell Fuse Box Trim Right A1636801080

Product currently unavailable

Part no. 1K0937503A

Audi TT 8J A3 8P Volkswagen Golf Mk6 Octavia Relay Fuse Box Panel 1K0937503A

Product currently unavailable

Part no. 8D1941824

Volkswagen Passat B5 Audi A8 D3 A4 B6 Fuse Box Control Unit Module 8D1941824

Product currently unavailable

Part no. 7E0937617

Volkswagen Transporter T5 Fuse Box Control Module Unit 7E0937617

Product currently unavailable

Part no. C1BT-14A005-DRD

Ford Fiesta Mk6 Fuse Box Relay Control Module 1.0T C1BT-14A005-DRD

Product currently unavailable

Part no. 6C1T-14A067-EA-1

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

Product currently unavailable

Part no. 6875202

BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308

Product currently unavailable

Part no. 99161010500

Porsche Cayman 981 718 982 Fuse And Relay Box Petrol 99161010500

Product currently unavailable

Part no. 9V4T-14A076-AB

Ford Kuga C394 Fuse Box Lid Cover Panel Housing Top 2.5 Petrol 9V4T-14A076-AB

Product currently unavailable

Part no. 8E0937503

Audi A4 B6 B7 Seat Exeo Fuse Relay Box Holder Board 8E0937503

Product currently unavailable

Part no. YQH100970

Land Rover Discovery 2 L318 Fuse Box Unit Upper Trim Cover Cap 1H2Z-14A003-AA

Product currently unavailable

Part no. K6D3-9A462-BB

Range Rover Sport L494 Exhaust Heat Shield 3.0 Diesel K6D3-9A462-BB

Product currently unavailable

Part no. 7649755

Mini Countryman F60 Engine Fuse Box Harness Cable Guide B48M 2017-2024 7649755

Product currently unavailable

...

Showing 1387-1485 of 1743 products