Ensure a proper seal when installing a new water pump. 53x4mm
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Seals the expansion tank cap to the reservoir. 28.5x3.8
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Install a new o-ring for a proper seal. 36x3.15
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Common point of failure for the cooling system. Does not include O-ring.
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Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.
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Brand:
ES#:
5435259
Mfg#:
904683
Back Ordered
$25.99
This product was last offered at the strikethrough price on 05-07-2026
Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For engine codes ATC & AWP - with manual transmission
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Lifetime Replacement
