O-Ring between thermostat housing and cylinder head
O-Ring between thermostat housing and cylinder head
Adjustable clamp used on various hoses in the cooling system. 30-45x9
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-10-2026
O-ring not included
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This product was last offered at the strikethrough price on
05-07-2026
Common point of failure or leaking for the cooling system, does not include O-Rings
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Install new hardware with your new parts. M6x25
Secures the coolant flange to the adapter
This product was last offered at the strikethrough price on
05-14-2026
Common point of failure or leaking for the cooling system
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This product was last offered at the strikethrough price on
05-07-2026
Common point of failure or leaking for the cooling system
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
O-Ring between thermostat housing and cylinder head
Located on the front right of the engine block
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From VIN 4B-1-007,001 split is in the 2001 model year
This product was last offered at the strikethrough price on
09-03-2026
Complete assembly including housing
This product was last offered at the strikethrough price on
05-07-2026
Regulates coolant flow for managing temperature within the specified range
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with CATA engine code only (2009-2012)
Ensure a proper seal when installing your new thermostat
Ensure your 4.0T engine reaches and maintains optimal operating temperature by replacing a sticking or failed thermostat assembly. Includes the housing and sealing gasket.
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
09-10-2026
Common point of failure or leaking for the cooling system
10X Entries Into Our F80 M3 Sweepstakes
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!