Description
Seat Heating Relay Kongsberg 4539528 for Citroën, Peugeot, DS, Opel, Fiat, Toyota
This seat heating relay is an OE-style switching component designed for heated seats in a range of Stellantis and partner vehicles. Ideal for professional workshops and DIY mechanics, the relay restores reliable power switching to the seat heating elements and is commonly searched by part numbers for fast identification. Compatible with multiple Citroën, Peugeot and related models, this unit is a direct-fit electrical replacement that helps eliminate intermittent heating, noisy relay clicks or complete loss of seat heater function.
Function
The relay Acts As An Electrically Controlled Switch That Connects Battery Power To The Seat Heating Elements When Activated By The Vehicle’s Seat Heater Switch Or Body Control Module. It Allows High Current Flow To The Heater Pads While The Low-Current Control Circuit Operates The Relay Coil.
Technical Information
- Manufacturer: Kongsberg (Supplier For Stellantis)
- Model: Seat Heating Relay – Fits Multiple Citroën, Peugeot, DS, Opel, Fiat, Toyota Applications
- Product Codes: 9673891680, 6509ER
- Other Numbers: 4539528
Compatibility And Fitment
Typical Compatible Models (Examples): Citroën Berlingo III, Citroën C3 III, Citroën C5, Citroën C5 X7, Citroën C8, Peugeot 308 T9, Peugeot 5008 I, Peugeot 807, Peugeot Partner III, Peugeot Rifter, Peugeot 508. Also Used In Selected DS, Opel, Fiat And Toyota Applications Where The Same Relay Assembly Is Specified.
Installation Recommendation
- Disconnect The Battery Before Starting Work To Prevent Short Circuits And Protect Sensitive Electronics.
- Access The Relay Location (Usually Under The Seat, Behind Trim Or Inside A Relay Module Box). Remove Required Trim Panels Carefully To Avoid Breakage.
- Unplug The Electrical Connector And Remove The Old Relay. Compare Part Numbers To Confirm Correct Unit.
- Install The New Relay In The Same Orientation, Reconnect The Connector Securely And Refit Trim Panels.
- Reconnect The Battery And Test Seat Heating Operation On All Settings. Confirm There Are No Warning Lights Or Fault Codes Related To The Heated Seat Circuit.
- Estimated Replacement Time: Typically 30–60 Minutes Depending On Vehicle And Trim Complexity.
Why The Part Most Often Fails
Seat Heating Relays Are Exposed To Repeated Thermal Cycling And High Current Loads. Over Time Contacts Can Wear Or Pit, Internal Coils May Degrade, And Corrosion Or Moisture Ingress Can Cause Poor Contact Or Intermittent Operation. Excessive Current Draw From Damaged Heating Elements Or Wiring Faults Accelerates Relay Wear. Symptoms Include Intermittent Heating, No Heat, Or Audible Clicking From The Relay.
Practical Tips For Workshops And DIY Mechanics
- Always Inspect Seat Heater Wiring And Connectors For Damage Or Corrosion When Replacing The Relay.
- If The Replacement Relay Fails Quickly, Check The Resistance Of The Heater Elements And The Integrity Of The Ground Connections To Avoid Repeated Relay Damage.
- Use The Exact Part Numbers When Searching Or Ordering To Ensure Fitment And Electrical Compatibility.
Keywords For Search
Seat Heating Relay, Seat Heater Relay, Citroën Relay, Peugeot Relay, 9673891680, 4539528, 6509ER, Kongsberg Seat Relay.
