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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Porsche Macan 95B Fuse and Relay Box Fuse Holder 95B971846A

€23.95

Part no. A9065460643

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

€23.95

Part no. A2469066600

Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600

€23.95

Part no. 6S6Y-14401-NDF

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

€28.95

Part no. 6911922

BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629

€23.95

Part no. 1K0937125A

Skoda Octavia II Engine Bay Fuse Box 1K0937125A

€23.95

Part no. A2055463100

Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100

€23.95

Part no. 9316569

BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569

€23.95

Part no. 4G0971502AJ

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

€28.95

Part no. 51794731

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

€23.95

Part no. A9075407312

Mercedes W907 Battery Fuse Box Positive Distribution Terminal A2479061803

€56.95

Part no. A1775405931

Mercedes W177 Engine Compartment Power Distribution Fuse Box Unit A1775405931

€99.95

Part no. 9298958

Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958

€23.95

Part no. JU5T-15604-CFM

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

€94.95

Part no. 8273002120A

Toyota Auris E15 Fuse Box Control Unit 8273002120A

€23.95

Part no. 99965075040

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

€23.95

Part no. 9441776

Land Rover Range Rover L322 Battery Power Distribution Fuse Box 9441776

€23.95

Part no. A2475451001

Mercedes W177 Fuse Box Holder Bracket Support Mount Carrier A2475451001

€23.95

Part no. 4F1941824B

Audi Q7 4L Fuse Box Control Module Connector Plug 4F1941824B

€23.95

Part no. HG9T-14A301-AB

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

€32.95

Part no. BH42-14F041-AA

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

€99.95

Part no. F60B-14A094-AA

Range Rover L322 Mega Fuse Connector Bracket F60B-14A094-AA

€23.95

Part no. 9289374

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

€23.95

Part no. 9259466

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

€23.95

Part no. CK52-14A067-BB-1

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

€51.95

Part no. 4F1941824

Audi Q7 4L Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824

€23.95

Part no. K8D2-14A073-BD

Land Rover Discovery Sport L550 Fuse Box Control Module Unit K8D2-14A073-BD

€37.95

Part no. K8D2-14N073-AC

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

€32.95

Part no. 99161010300

Porsche Cayman Boxster 718 982 981 Fuse Relay Box 99161010300

€99.95

Part no. 8V51-14A075-AC

Ford Fiesta Mk7 Positive Battery Terminal Fuse Box Cover Lid 8V51-14A075-AC

€23.95

Part no. 5Q0927165F

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

€23.95

Part no. 55L6E05B4

Range Rover Sport L494 Fuse Relay Box Fusebox 3.0 Diesel 55L6E05B4

€23.95

Part no. 8713127-1

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

€32.95

Part no. A2059068501-1

Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501

€28.95

Part no. R8D2-14A073-AA

Land Range Rover Evoque L551 Fuse Box Junction Box 204DTY Diesel R8D2-14A073-AA

€66.95

Part no. 6956505-1

BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505

€23.95

Part no. F1DT-14A073-DF

Ford Focus Mk3 BCM Body Control Module Fuse Box Fusebox 1.5 TDCi F1DT-14A073-DF

€47.95

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

Ford Transit Mk7 Fuse Box Relay Housing Cover 2.2 TDCi 6C1T-14A067-AB

€23.95

Part no. A2475457300

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

€23.95

Part no. 8K0971845A-1

Porsche Macan 95B Fuse Relay Box Power Distribution 8K0971845A

€23.95

Part no. A2129007324

Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324

€56.95

Part no. 4G0971845A

Audi A6 C7 Fuse Relay Box Sam Control Module 4G0971845A

€23.95

Part no. 2261687

Ford Transit Tourneo Connect Mk2 Fuse Box Cover Lid KT1T-14A003-AA

€32.95

Part no. JB3T-14D068-CB

Ford Ranger Wildtrak Mk6 Fuse Box Relay Control Unit Module JB3T-14D068-CB

€89.95

Part no. 9210863

BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863

€23.95

Part no. A1665400224

Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

€42.95

Part no. 9257426

Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426

€23.95

Part no. 6994419

BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419

€23.95

Part no. KT1T-14D068-DD-1

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

€47.95

Part no. A1779061102

Fuse Box Mercedes W177 Relay Fuse Box COntrol Module Unit A1779061102

€66.95

Part no. 1K0937125D-4

Audi A3 8P VW Touran Mk1 Skoda Yeti Engine Fuse Box Unit 1K0937125D

€23.95

Part no. 9315150

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

€23.95

Part no. 8W0941823E

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

€99.95

Part no. A2429004101

Mercedes W204 W212 Telephone Control Unit Module ECU A2429004101

€23.95

Part no. EH22-14Q073-AA

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

€23.95

Part no. A1665400182-1

Mercedes C292 Fuse Box Cover Trim Panel Lid Black A1665400182

€23.95

Part no. A2139068701-2

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

€23.95

Part no. A2139068701

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

€23.95

Part no. 5Q0937615C

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

€23.95

Part no. A0025450801

Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801

€23.95

Part no. A1669063801

Mercedes ML W166 Relay Box Engine Compartment Relay Module A1669063801

€42.95

Part no. 90589541

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

€23.95

Part no. 1K0937503A

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

€23.95

Part no. JT76-14K012C-NES

Ford Transit Connect Fuse Relay Box Panel Cover Trim Mount JT76-14K012C-NES

€42.95

Part no. 1K0937700B

Volkswagen VW Caddy 2K Fuse Box Control Module Connector Plug Socket 1K0937700B

€23.95

Part no. 8V0937548

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

€23.95

Part no. AV6T-14K131-AB

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

€23.95

Part no. M8A2-14A076-AA

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

€23.95

Part no. 3C0937125A

Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A

€23.95

Part no. A2129009908

Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908

€127.95

Part no. A1645400624

Mercedes W164 Fuse Box Relay Housing Cover A1645400624

€23.95

Part no. A1779061302

Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302

€80.95

Part no. M8A2-14A076-CB

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

€23.95

Part no. LT1T-15604-DCB

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

€85.95

Part no. 8X2T-14A005-ZD

Jaguar XF X250 Battery Main Terminal Fusebox 2.7 V6 Diesel 8X2T-14A005-ZD

€23.95

Part no. JK72-14A076-AA

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

€23.95

Part no. JX63-14516-AA

Jaguar XF X260 Battery Positive Terminal Fuse Box Unit 2.0 Diesel JX63-14516-AA

€23.95

Part no. CK52-14A067-BB

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

€51.95

Part no. A1645400750

Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750

€23.95

Part no. E1BT14K012DFD

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

€32.95

Part no. AH42-00082-BA

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

€28.95

Part no. C1BT-14A005-DRD

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

€23.95

Part no. 9293307

BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307

€28.95

Part no. DK62-14F041-AC

Range Rover Sport L494 Fuse Box Body Control Module DK62-14F041-AC

€66.95

Part no. 5Q0927165C

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

€23.95

Part no. A2059068501

Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501

€23.95

Part no. 8X2T-14A067-FA

Jaguar XF X250 Fuse Relay Box Holder Bracket Mount Support 8X2T-14A067-FA

€23.95

Part no. BK3V-14517-CE

Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE

€66.95

Part no. CK52-14A067-BB-2

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

€51.95

Part no. A2075844181

Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181

€23.95

Part no. K8D2-14A076-BC

Land Range Rover Sport L320 Fuse Relay Box Cover Lid Panel K8D2-14A076-BC

€23.95

Part no. M8D2-14A073-AA

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

€94.95

Part no. 6S6Y-17K400-EC

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

€28.95

Part no. BA6T-14A075-AA

Ford Fiesta Mk7 Fuse Realy Box Module Unit Bracket Gasket Panel BA6T-14A075-AA

€23.95

Part no. 7LA937550A

VW Transporter T6 Fusebox Module Power Distribution Control Module 7LA937550A

€23.95

Part no. 6C1T-14A076-BA

Ford Transit Mk7 Fuse Box Positive Terminal Cover Trim Panel 6C1T-14A076-BA

€32.95

Part no. 6G9T-14A076-CA

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

€23.95

Part no. A2129005401

Mercedes W207 Fuse Junction Box Relay Control Unit Module SAM A2129005401

€51.95

Part no. 9362396

BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396

€23.95

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