Renault Clio MK3 Fuse Box 674660B | Engine Bay / Under Bonnet Relay Module (UPC) | OEM Tested Used Unit
Genuine Renault Clio MK3 engine bay fuse box / under bonnet relay module (UPC unit), part number 674660B. This is a fully tested OEM electrical power distribution unit, removed from a working vehicle and confirmed in good operational condition prior to sale.
This under bonnet fuse box (UPC module) is responsible for controlling and distributing electrical power throughout the engine bay system, including ECU power supply, starter circuits, cooling fans, lighting systems, ignition control, and various engine management relays. A faulty UPC fuse box is a common cause of no start conditions, intermittent electrical faults, and multiple warning lights on Renault Clio MK3 models.
This is a direct OEM replacement unit, designed to restore correct electrical performance and reliability without the risks associated with aftermarket or repaired modules.
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🔧 Part Details
* Manufacturer: Renault
* Model: Clio MK3 (various engine and trim variants)
* Part Number: 674660B
* Type: Engine Bay Fuse Box / UPC Relay Module / Power Distribution Unit
* Condition: Used – Fully Tested Working
* Location: Under bonnet / engine bay electrical distribution unit
* OEM Quality: Genuine Renault factory part
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🚗 Compatible Vehicles
This UPC fuse box / relay module is commonly fitted to:
* Renault Clio MK3 (various petrol and diesel models)
* Selected Renault platforms using UPC engine bay fuse distribution systems
* Models requiring part number 674660B
Due to electrical system variations, always confirm compatibility using your registration number, VIN, or existing part number before purchase.
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⚙️ Common Fault Symptoms This Part Fixes
A failing engine bay fuse box / UPC module can cause:
* Vehicle not starting or intermittent no-start issues
* ECU power loss or communication faults
* Cooling fan not working correctly
* Random electrical faults or warning lights
* Starter motor not engaging
* Blown relays or internal fuse board failure
* Engine management system errors
Replacing with this OEM tested UPC unit restores full engine bay electrical function and reliability.
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✔️ Fully Tested OEM Quality
This unit has been:
✔ Removed from a fully running vehicle
✔ Electrically tested for correct operation
✔ Checked for relay and power distribution function
✔ Verified working prior to dispatch
A reliable and cost-effective alternative to expensive new dealer units or untested repairs.
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🚀 UK Delivery & Collection
* 📦 Fast UK postage available
* 🏠 Collection available from Burton-on-Trent
* 🔧 Secure packaging to protect sensitive electrical components
* 💬 Support available for fitment and compatibility checks
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🌍 Export & Trade Supply Available
We specialise in supplying OEM automotive electrical modules and rare components across the UK and worldwide.
We offer:
* 🌍 Worldwide export shipping
* 📦 Bulk trade and wholesale enquiries welcome
* 🏪 Supply for garages, auto electricians, and exporters
* 🔍 Fast sourcing of Renault and other OEM electrical units