Located on the drivers side of the engine. O-rings sold separately.
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Located on the drivers side of the engine. O-rings sold separately.
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Replace your inferior plastic housings
This product was last offered at the strikethrough price on
04-16-2026
Includes housing and seal ring
This product was last offered at the strikethrough price on
05-09-2026
Common point of failure for the cooling system
For vehicles with ALH engine code only
Common source of coolant leaks around your thermostat
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This product was last offered at the strikethrough price on
05-02-2026
High-flow OE-style design for optimal engine cooling performance
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Recommended when changing the thermostat
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Common point of failure for the cooling system. Does not include O-ring.
O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
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Install new hardware with your new parts. Black oxide coated, M6x18.
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This product was last offered at the strikethrough price on
07-28-2026
Common point of failure for the cooling system. Does not include O-ring.
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
05-07-2026
Common source of coolant leaks around your thermostat
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Common point of failure or leaking for the cooling system on your TDI.
For vehicles with ALH engine code only
This product was last offered at the strikethrough price on
02-23-2026
Ensure a proper seal when installing your new thermostat
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O-Ring between thermostat housing and cylinder head
This product was last offered at the strikethrough price on
04-28-2026
Use new hardware with your new parts. M6x85
This product was last offered at the strikethrough price on
06-25-2026