Common point of failure or leaking for the cooling system
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Common source of coolant leaks around your thermostat
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Keep your car running at the proper temperature.
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Located on the left side of the engine block
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Thermostat is used but not included
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Ensure a proper seal when installing your new thermostat. 56x3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with CBEA or CJAA engine code only, gasket seals both sides of the thermostat housing together
Common point of failure or leaking for the cooling system on your TDI.
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Common point of failure or leaking for the cooling system, does not include O-Rings
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Ensure a proper seal when installing your new thermostat. 50x4
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Brand:
ES#:
4034832
Mfg#:
038121119B
In Stock at Vendor
$3.99
This product was last offered at the strikethrough price on 05-07-2026
Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.
Lifetime Replacement
