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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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9317174-1

BMW 3 Series F30 REM Rear Electronic Module Fuse Box Control Unit V2 9317174

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9X23-14290-AGC

JAGUAR XF250 Fuse Box Distribution Relay Module 9X23-14290-AGC

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6G9T-14A076-AF

Ford Mondeo MK4 Fuse Box Cover Panel Hosing Lid 6G9T-14A076-AF

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0927165F

Volkswagen Tiguan 5N Golf Mk7 Audi A3 8V Fuse Box Cover Panel 5Q0927165F

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. JU5T-15604-CFM

Ford Mondeo MK5 Body Control Module BCM Fuse Box Control Unit JU5T-15604-CFM

£56.95

Free delivery: Aug 14 – 21

If paid before 14:00

Part no. 8599277

BMW X3 G01 Fuse Box Trim Cover Panel 8599277

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129060005-1

Mercedes W212 Fuse Box Module Rear Relay Electric Control Unit SAM A2129060005

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2139068801-1

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9337881

BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129001506

Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001506

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1779069601

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

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9439006

Fuse Box BMW G01 G08 X3 F97 X3M F98 X4M Rear Relay Module Control Unit 9439006

£61.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-GH22-14290-EPC

Land Rover Discovery 4 L319 Under Bonnet Fuse Box Realy Unit GH22-14290-EPC

£56.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9293313

BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V5 REM 9293313

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 3D0035209B

Volkswagen Phaeton 3D Fuse Box Retainer Bracket Holder Carrier Mount 3D0035209B

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 80A941823A

Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. M8A2-14A076-AA

Range Rover Velar L560 Fuse Box Unit Upper Cover Cap Trim M8A2-14A076-AA

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0927165C

Seat Leon Mk3 VW Golf Mk7 Audi A3 8V Fuse Box Insert Cover Trim Plate 5Q0927165C

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. M8A2-14A076-CB

Range Rover Velar L560 Fuse Box Unit Upper Cover Cap Trim M8A2-14A076-CB

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 3180021E30

Suzuki SV650 Starter Relay Solenoid Electrical Control Unit Module 3180021E30

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-LR165245

Range Rover Velar L560 Fuse Box Control Unit Module M8A2-14N073-CA

£66.95

Free delivery: Aug 13

If paid before 14:00

Part no. 704T-R1A-E025

Porsche Cayenne 92A Fuse Gruner 60A 12V 704T-R1A-E025

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7329122

BMW F20 F23 F30 F36 Engine Compartment Mounting Parts Clips Set 7329122

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-A2045450503

Mercedes W204 Fuse Box Cover Control Unit Holder Bracket A2045452147

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2469005312

Mercedes X117 X156 W246 Relay Control Unit Module A2469005312

£61.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7G9T-14A073-DD

Ford Mondeo Mk4 Body Control Module BCM Fuse Box Junction 7G9T-14A073-DD

£75.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8736251

BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251

£56.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. EU5T-14A094-BA

Ford Ranger Mk3 Battery Power Fuse Box Terminal Engine Bay EU5T14A094BA

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7H0937550A

Volkswagen Trasnporter T5 Main Fuse Socket Engine Bay Panel Module 7H0937550A

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. KD4566760

Mazda 6 Mk3 GJ Fuse Box Lid Cover Upper Panel Engine Bay KD4566760 K7005

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. Q0011868V010000000

Smart Fortwo C450 Signal Acquisition Module Fuse Box Interior Q0011868V010000000

£256.95

Free delivery: Aug 14 – 21

If paid before 14:00

Part no. 6823070

BMW F45 Fuse Box Grouping Fuse Placement Map Card Diagram 6823070

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. EH22-14Q073-AA

Land Rover Discovery 4 L319 Fuse Relay Box EH22-14Q073-AA

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7L0937401B

Audi Q7 4L Power Distribution Box Control Unit Plus Housing Cover 7L0937401B

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7798875

BMW X5 Series E70 LCI Ventilation Grommet Unit Box Cover 7798875

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0937615C

Audi A3 8V Fuse Relay Box Module Electrical Control Unit 5Q0937615C

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-YMB506400A

Land Rover Discovery 3 L319 Engine Fuse Box Control Unit Module YMB506400A

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2135400200

Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-A2055408195

Mercedes W205 Rear Fuse Box Relay Power Distribution Module Unit A2055408195

£113.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0015456403

Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6G9T-14A076-CA

Ford Mondeo MK4 Fuse Box Cover Panel Hosing Lid 6G9T-14A076-CA

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8R0971502A

Audi Q5 8R Battery Fuse Box Terminal Retaining Mount Bracket Holder 8R0971502A

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1665402950

Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950

£113.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2215450701

Mercedes W221 Fuse Box Distribution Dashboard A2214409107

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-A1705400224

Mercedes SLK R170 Control Unit Module ECU Cover Box Housing Bracket A1705400224

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9355750

BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750

£75.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9360372

BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6828077

BMW G01 Fuse Box Grouping Fuse Placement Map Card Diagram 6828077

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7P0937211A

Porsche Cayenne 92A 3.0 TDI Fuse Box Relay Control Module 7P0937211A

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2049060805

Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2465849100

Mercedes W176 Map Card Fuse Box Grouping Diagram A2465849100

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1649820423

Mercedes V251 Rear Fuse Box Relay Power Distribution Module Unit A1649820423

£146.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8713127

BMW F90 M5 F91 M8 G30 Fuse Box Power Distribution Control Unit Box Rear 8713127

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. SU60B-2125

Trefor Tripl Starting Coil Albright 80V SU60B-2125

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-A1686890283

Mercedes W414 Interior Fuse Box Cover Panel Cap A1686890283

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0025451201

Mercedes W169 W245 W906 Fuse Box Carrier A0025451201

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0937125B

Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. AV6T-14A067-BC

Ford Focus Mk3 III Fuse Box Battery Terminal Unit Module AV6T-14A067-BC

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 3c0937125

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

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. DV6T-14A076-AB

Ford Transit Connect Mk2 Fuse Box Cover Lid Trim DV6T-14A076-AB

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-YMB507280

Range Rover Sport L320 Fuse Relay Box Unit Housing Diesel 8H32-14290-TA

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. DK52-14F041-AC

Range Rover L405 Fuse Box Body Control Module Unit DK52-14F041-AC

£142.95

Free delivery: Aug 14 – 21

If paid before 14:00

Part no. CK52-14K016-AA

Range Rover L405 448DT Diesel Fuse Box Cover Lid Panel Top CK52-14K016-AA

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9855653

BMW F40 F74 F78 Power Distribution Box Mount Bracket Holder 9855653

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-7194575

BMW 5 SERIES E60 Wirie Cable Fuse Box Holder Additional Energy Supply 7194575

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2069003613

Mercedes W206 BCM Body Control Unit On Board Power Distribution A2069003613

£113.95

Free delivery: Aug 13

If paid before 14:00

Part no. N000000004325-1

Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0535450226

Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0907530P

Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2049060805-1

Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805

£61.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4M0937513J

Audi Q7 4M Fuse Relay Box Module Electrical Control Unit 4M0937513J

£56.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1695450003

Mercedes W169 Fuse Box Cover Trim Panel A1695450003

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4G0937517

Audi A6 C7 Fuse Battery Junction Box Fuse Distribution Terminal Centre 4G0937517

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-8K2907613B

Audi S5 8T A4 B8 4.2 FSI Engine Fusebox Cover Terminal Housing Cap 8K2907613B

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A4479000707

Mercedes Vito W447 Fuse Box Relay Control Unit Module A4479000707

£66.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6G9T-14C507-CB

Ford Mondeo MK4 S-Max MK1 Rear Boot Fuse Box Cover Lid Grey 6G9T-14C507-CB

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8J0907361

Audi TT 8J Central Electric System Fuse Box Housing Bracket Retainer 8J0907361

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9350314

BMW G30 G31 G11 G12 G32 G38 Front Power Distribution Fuse Box Left N/S 9350314

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0005459712

Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9210858

BMW 5 Series F10 F11 Power Distribution Fuse Box Rear 9210858

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2319003706

Mercedes R231 Control Unit Module Passenger Seat A2319003706

£94.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0009060086

Mercedes W205 Control Unit Power Distribution Box Electrical A0009060086

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. BS7T-14K131-AA

Land Rover Discovery Sport L550 Fuse Relay Box BS7T-14K131-AA

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-A2055451740

Mercedes C205 Fuse Box Unit Mount Bracket Holder Support A2055451740

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7L0937503

Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5168838

Ford Transit Connect Mk2 Fuse Box Cover Cap Fuse Guide BT1T-14A076-AB

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9192480

Map Fuse Box BMW F25 F26 Grouping Diagram Card 9192480

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1649005001

Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001

£422.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4H0971845AD

Audi A7 4G Fuse Relay Box Module Control Unit 4H0971845AD

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8632554

Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-EH22-14N143-BC

Land Rover Discovery 4 L319 Negative Battery Cable EH22-14N143-BC

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-LS73-F020C62-ABW

Ford Mondeo Mk5 Fuse Box Cover Panel Housing Lid LS73-F020C62-AB

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6C1T-14A076-BB

Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. DIN43560

Fuse Relay Holder Bracket Electrical Protected Fuse Blade 250A DIN43560

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A9075401805

Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2475457300

Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. BK3T-14401-EWD

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

£47.95

Free delivery: Aug 13

If paid before 14:00

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