Description

This cooling relay with a short length of wiring is designed for Citroën and Peugeot models and is commonly used to control engine cooling fan circuits. It is often searched by OE numbers and fits a range of Stellantis vehicles. The compact three-way design allows switching of multiple circuits or fan speed stages, making it suitable for systems where more than one fan or speed setting is controlled from a single relay assembly. Ideal for professional workshops and DIY mechanics looking for a direct replacement part identified by part numbers.

Benefits

• Direct fit to compatible Citroën and Peugeot relay boxes when matching part numbers.
• Includes a piece of wiring to simplify connection or adaptation during installation.
• Reliable switching for cooling fan circuits when installed and connected correctly.
• Frequently found and referenced by OE numbers, improving findability during repairs.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën Berlingo B9; Citroën Berlingo III; Citroën C4 Picasso; Citroën C5; Peugeot 207; Peugeot Partner III; Peugeot Partner Tepee
• Product Codes: 9652021180, 9652021280, 9662570980, 6500EJ
• Additional Numbers: 6500e, 6500EJ, 9652021180, 9652021280, 9662570980

How To Replace

Replacement is straightforward for experienced technicians and competent DIY mechanics:

• Ensure Ignition Off And Battery Disconnected Before Work.
• Locate The Relay In The Engine Bay Fuse/Relay Box Or Under Dashboard According To The Vehicle.
• Unplug The Electrical Connector And Remove Any Retaining Clips Or Screws. If The Part Includes A Short Wiring Pigtail, Note Connector Orientation And Secure New Connections With Proper Crimps Or Solder And Heatshrink.
• Install The New Relay In The Same Position, Reconnect Wiring, Refit Covers, And Reconnect Battery.
• Verify Operation By Running The Engine To Operating Temperature And Checking Fan Operation And AC-Related Fan Stages.

Installation Recommendations

• Disconnect The Negative Battery Terminal Before Starting Work To Prevent Short Circuits.
• Use Proper Tools For Electrical Connections: Quality Crimps, Soldering And Heatshrink Where Appropriate.
• Protect Connectors From Water And Corrosion With Dielectric Grease If Exposed To The Elements.
• Check Fan Motor Current Draw Before And After Replacement If Relay Failure Was Caused By An Overload Condition.
• Secure Any Supplied Wiring To Avoid Chafing And Heat Damage Near Exhaust Components.

Most Common Failure Reasons

• Corrosion And Moisture In Connectors Leading To Poor Contact Or Intermittent Operation.
• Overheating Or Thermal Stress From High Current Draw (Often Caused By A Failing Fan Motor Or Shorted Circuit).
• Mechanical Wear Of Internal Contacts After Many Switching Cycles.
• Physical Damage To Wiring Or Connectors From Vibration, Road Debris, Or Improper Routing.

Notes For Buyers

Customers commonly search using OE numbers—make sure your part numbers match the ones listed above. This relay is intended as a direct replacement when part numbers correspond; fitment should be confirmed by comparing the relay housing and connector type with the unit being replaced.

This 3-way cooling relay is designed for PSA vehicles (Citroën & Peugeot), part numbers 9652021180, 9652021280, 9662570980, 6500EJ. Ideal for professional mechanics and competent DIYers who need a reliable relay to control radiator fan operation and prevent engine overheating.

Features

• Three-way relay for coolant fan control and related circuits
• Direct replacement for PSA part numbers listed above
• Robust construction to withstand engine bay conditions
• Simple plug-and-play installation in the vehicle fuse/relay box

Technical Information

Manufacturer: PSA (Citroën, Peugeot)
Model: Citroën C5
Product Codes: 9652021180, 9652021280, 9662570980, 6500EJ
Additional Numbers: 6500EJ

Compatibility And Fit

The relay is commonly used on Citroën C5 and other PSA models that accept the part numbers listed. Always verify fitment using the product codes or your vehicle’s VIN before ordering.

Installation Guide

Replacement is straightforward: disconnect the battery, locate the relay in the engine bay fuse/relay box, unplug the electrical connector, remove the old relay and install the new unit. No special tools are typically required. After installation, reconnect the battery and verify proper fan operation and cooling system response.

Common Failure Modes

Cooling relays fail due to exposure to heat and moisture, electrical overloading, corrosion of contacts or coil burnout. Symptoms include non-operational radiator fan, intermittent fan operation, or engine overheating. Check related fuses, wiring and connectors when diagnosing.

Why Buy This Relay

This part provides a cost-effective solution for restoring proper cooling fan control on compatible PSA vehicles. It has been inspected to meet functional expectations and is suitable for installation by trained mechanics or experienced DIY technicians.

Used three-way cooling relay for Citroën & Peugeot vehicles (PSA). An ideal, cost-effective replacement for mechanics and DIY enthusiasts who need to restore reliable fan control or repair the cooling system electrical circuit. Matches the listed PSA part numbers for direct fitment.

Key Features

• Direct fit for specified PSA part numbers for easy replacement
• Controls radiator cooling fans to regulate engine temperature and prevent overheating
• Suitable for under-hood use and common engine bay environments
• Carefully removed from a donor vehicle and thoroughly tested before listing

Why Relays Fail & How Often

Relays commonly fail due to aged or pitted contacts, repeated heat cycling, corrosion, moisture ingress, or electrical surges. There is no fixed replacement interval; failures often occur after many years in service or when intermittent fan operation, overheating events or electrical faults appear.

Replacement Guide

This relay can be replaced by a competent DIYer or a professional mechanic. Typical replacement steps:

1. Disconnect the negative battery terminal for safety.
2. Locate the relay in the engine bay fuse/relay box (consult the vehicle handbook for exact location).
3. Compare part numbers printed on the relay to ensure correct fitment, then pull the old relay straight out of its socket.
4. Install the replacement relay, secure the cover and reconnect the battery.
5. Start the engine and verify fan operation at idle and under load; check for error codes if applicable.

Use basic hand tools, avoid forcing connectors, and protect against short circuits while working.

Compatibility

Suitable for select Citroën C3 Picasso and Citroën C5 models and other PSA vehicles that use the listed part numbers. Always verify fitment by comparing product codes on your original relay before installation.

Technical Information

• Manufacturer: PSA Group
• Model: Citroën C3 Picasso, Citroën C5
• Product Codes: 9662570880, 6500EJ
• Other Numbers: 9652021180, 9652021280

Buy With Confidence

Purchase this used PSA cooling relay to restore reliable fan control and help prevent engine overheating. If you are unsure about fitment, contact us with your vehicle identification number (VIN) and the part numbers printed on your existing relay for confirmation.