Description
Thermostat Housing Citroën Peugeot 2.2 HDi 9643212480 from Peugeot 607 2.2 HDi 98 kW – Fits Citroën C5, C8 and Peugeot 406, 607, 807. Fully functional, not cracked.
This Thermostat Housing is a direct-fit cooling system component for PSA Group 2.2 HDi applications. It is an ideal replacement part for professional workshops and experienced DIY mechanics who require reliable fitment by part number (9641337880 / 1336R3 / 9643212480). Using the correct housing helps maintain correct engine operating temperature, prevents coolant leaks and supports thermostat operation for stable heating and engine performance.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: 2.2 HDi (Approx. 98 kW) – Used On Peugeot 607; Also Fits Citroën C5, C8 And Peugeot 406, 607, 807
- Product Codes: 9641337880, 1336R3, 9643212480
- Other Numbers: 9643212480
Installation Recommendations
- Allow The Engine To Cool Completely Before Work. Drain The Coolant To A Safe Level To Avoid Spillage.
- Remove Any Components Blocking Access (Air Intake Ducts, Engine Covers Or Hoses) And Carefully Disconnect Radiator Hoses From The Housing.
- Unbolt The Housing From The Engine Block, Remove The Old Gasket Or Seal And Clean The Mating Surfaces Thoroughly From Old Sealant And Debris.
- Fit A New Gasket/Seal And Replace Any O-Rings Or Clips As Required. Install The Housing And Tighten Bolts To Manufacturer Torque Specifications.
- Refill The Cooling System With The Correct Type And Mixture Of Coolant, Bleed Air From The System And Check For Leaks With The Engine At Operating Temperature.
- It Is Recommended To Replace The Thermostat And Gasket When Replacing The Housing To Ensure Long-Term Reliability.
Why This Part Most Commonly Fails
- Plastic Or Composite Housing Degradation Due To Long-Term Heat Cycling, Causing Cracks And Coolant Leaks.
- Gasket Or Seal Deterioration Leading To External Leaks Or Air Ingress Into The Cooling System.
- Corrosion And Scale Build-Up From Poor Coolant Maintenance, Which Can Distort Sealing Surfaces Or Block Passages.
- Freezing Damage When The Cooling System Lacks Proper Antifreeze Protection.
- Mechanical Damage During Previous Service (Overtightening, Impact) Resulting In Cracks Or Warped Flanges.
Fitment And Replacement Notes
This Housing Is A Direct Replacement For The Listed PSA Models When Matched By Part Number. Before Installation, Always Compare The New Part Visually With The Removed Unit And Confirm That Hose Connections And Mounting Points Align. After Replacement, Run The Engine Until Normal Operating Temperature Is Reached And Recheck For Leaks And Proper Thermostat Operation.
Part Numbers Useful For Search And Ordering: 9641337880, 1336R3, 9643212480. Ideal For Mechanics And Competent DIYers Looking For A Reliable Cooling System Repair Part.
