Replace your inferior plastic housing cover
This product was last offered at the strikethrough price on
06-12-2026
Replace your inferior plastic housing cover
This product was last offered at the strikethrough price on
06-12-2026
High-flow OE-style design for optimal engine cooling performance
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O-Ring between thermostat housing and cylinder head
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Found on the thermostat housing
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
10-05-2026
Includes thermostat and housing gasket
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This product was last offered at the strikethrough price on
05-02-2026
O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
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
10-05-2026
Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit.
2X Entries Into Our F80 M3 Sweepstakes
For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year
O-Ring between thermostat housing and cylinder head
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
10-05-2026
Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit.
2X Entries Into Our F80 M3 Sweepstakes
Ensure a proper seal when installing your new thermostat. 50x4
Ensure a proper seal when installing your new thermostat
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
10-05-2026
Located on the drivers side of the engine. O-rings sold separately.
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Outlet for coolant from the thermostat
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This product was last offered at the strikethrough price on
09-30-2026
Outlet for coolant from the thermostat
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
10-05-2026
Ensure a proper seal when installing your new thermostat
Install new hardware with your new parts. Black oxide coated, M6x18.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
07-28-2026