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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BMW Z4 E85 Fuse Box Modue Unit Bracket Mount Holder Retainer Support 6957913

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8K0941824D

Audi Volkswagen Fuse Box Connector Socket Module Unit 8K0941824D

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9855653

BMW F40 F74 F78 Power Distribution Box Mount Bracket Holder 9855653

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8R0971502A

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. EU5T-14A094-BA

Ford Ranger Mk3 Battery Power Fuse Box Terminal Engine Bay EU5T14A094BA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6928945

BMW X3 Series E83 E83 LCI B Terminal Point Luggage Compartment 6928945

€23.95

Free delivery: Aug 10 – 11

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4M0941824AP

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2125400382

Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3449505

Mini Cooper One R55 R56 Fuse Distribution Box Cover Trim Cap 3449505

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1645450201

Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2038209089

Mercedes W203 C209 C215 W163 W220 W639 CD Changer Magazine Cartridge A0028206289

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9292350

Battery Terminal Cover BMW X3 F25 X5 F15 Trim Panel Base B + Positive 9292350

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8K0971845A

AUDI A5 8T 2.0 TDI CGLC Fuse Relay Box Power Distribution 8K0971845A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7E0937617-1

Volkswagen Transporter T5 Fuse Box Control Module Unit 7E0937617

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9075409482

Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9393144

BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0937550A

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4K0971845

Audi A6 C8 Fuse Relay Box Mount Bracket Holder Mount 4K0971845

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045403750

Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2045403750

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. YQH100970

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 80A941823A

Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9136725

BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6925642

BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. JPLA-14N030-AC

Range Rover Sport L494 Rear Boot Trunk Fuse Box Module JPLA-14N030-AC

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1405523

Mini One D R50 R53 Cooper S Fuse Box 1405523

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. K6D3-8A512-AA

Range Rover Sport L494 Water Coolant Pipe Hose 3.0 Diesel K6D3-8A512-AA

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1665402450-1

Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009821012

Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2129007024

Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6928944

BMW X3 Series E83 Battery Positive Cable Fuse Box 61136928944 6928944

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6C1T14A481CA

Ford Transit Mk7 Under Bonnet Fuse Box Module Onboard Supply 6C1T14A481ACA

€70.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2059008204

Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8K0937517B

Audi RS4 B8 Positive Battery Distribution Terminal Junction Relay Box 8K0937517B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5WA937125A

Volkswagen Golf Mk8 Audi S3 8Y Skoda Octavia MK4 VRS Fuse Relay Box 5WA937125A

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2123300135

Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8J0907361

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1507422

Ford Fiesta Mk5 Fuse Box Power Distribution Junction Relay 2S6T-14A073-BC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9350314

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7P0937211A

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1779069601

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

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2465401350

Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2465401350

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9065460643

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. YQE500290

Range Rover L322 Engine Bay Fuse Relay Box Unit Module YQE500290

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9210860

BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. DK52-14F041-AC

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

€165.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2129003922

Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6900583

BMW E65 E66 Power Distribution Box 6900583

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6G9T-14A067-AB-1

Land Range Rover Sport L550 Fuse Box Cover Bracket Housing 6G9T-14A067-AB

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. YQS000282

Land Rover Freelander L314 Under Bonnet Fuse Box Cover Lid Panel YQS000282

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1669001814

Mercedes W166 SAM Body Control Unit Module Fuse Box A1669001814

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6842524

BMW G20 G21 G22 G28 G42 Battery Voltage Jump Start Terminal Unit 6842524

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0907285

Audi A4 B9 A5 F5 Q5 FY Fuse Box Relay Retainer Bracket Diesel 8W0907285

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9389069

BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. CK52-14K016-AA

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1645400624

Mercedes W164 Fuse Box Relay Housing Cover A1645400624

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2469067100-1

Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. AV4T-14A076-AA

Ford Kuga Mk1 Engine Bay Fuse Box Cover Lid Top Plate AV4T-14A076-AA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6G9T-14K131-CB

Ford Galaxy Mk2 Fuse Box Relay Fusebox Control Unit Module 6G9T-14K131-CB

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4M0010006B

Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0010006B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2Q0937615A-1

Audi A1 GB VW Transporter T6 Fuse Relay Box Power Supply Unit 2Q0937615A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1308204070

Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 1308204070

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BS7T-14K131-AA

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2095453140

Fuse Box Holder Mercedes W209 Control Unit Mount Bracket CLK A2095453140

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8720724

BMW F70 U11 F74 Gran Coupé Power Distribution Fuse Relay Box Module 8720724

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9270356-2

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7L0937548C

Audi Q7 4L Volkswagen Touareg 7L Interior Fuse Relay Box Terminal 37L0937548C

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7L0937576

Porsche Cayenne 9PA Fuse Box Relay Trim Cover Panel Unit Housing 7L0937576

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8380407-1

BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H6970187FT

Volkswagen Transporter T5 Fuse Box Control Module Unit 7H6970187FT

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9270355

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0907530P

Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. KK3T-14D068-AD

Ford Transit Mk8 Fuse Box Power Distribution Relay KK3T-14D068-AD

€275.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0035453501

Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0937132B

Skoda Superb Mk3 3V Fuse Box Lid Cover Trim Upper Panel 5Q0937132B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 503446570201

Vauxhall Movano C BCM BCM Body Control Module Fuse Box Unit 503446570201

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8A2-14A076-BA

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. FG9T-14A067-EB

Ford Mondeo Mk5 Engine Bay Fuse Box 2.0 Diesel FG9T-14A067-EB

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. K8D2-14A067-CA

Land Rover Discovery Sport L550 Fuse Box Fusebox Bracket Mount K8D2-14A067-CA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9315150

BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2038301613

Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7P0937211A-1

VW Volkswagen Touareg 7P Fuse Box Relay Control Module 7P0937211A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2429004101

Mercedes W204 W212 Telephone Control Unit Module ECU A2429004101

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7798875

BMW X5 Series E70 LCI Ventilation Grommet Unit Box Cover 7798875

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2059007539

Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5A4CFA9

BMW G20 LCI Fuse Box Control Module Unit 5A4CFA9

€165.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9315152

BMW X3 F25 Fuse Box Grouping Map Diagram Location 9315152

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0915429A

Audi A4 S4 8W A5 S5 F5 Battery Positive Terminal Cover Housing Cap 8W0915429A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2465400140

Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6C1T-14A076-BB

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2215450801

Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801

€227.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BS7T-14K131-DA

Land Rover Discovery Sport L550 Evoque L538 Fuse Relay Box BS7T-14K131-DA

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0005456786

Mercedes W205 W213 Fuse Box Protective Bracket Cover A0005456786

€23.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A0015456403

Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0025451201

Mercedes W169 W245 W906 Fuse Box Carrier A0025451201

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. KPLA-14M726-FA

Range Rover Sport L494 Hybrid 48V Fuse Junction Box Unit KPLA-14M726-FA

€104.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9389068

Fuse Box BMW F20 F21 F30 F31 F34 Power Distribution Front 9389068

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 99161032100

Porsche 718 Boxster 982 Battery Fuse Box Control Unit Socket Plug 99161032100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6G9T-14K131-BB

Land Rover Discovery Sport L550 Fuse Relay Box 6G9T-14K131-BB

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

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