Connects the rear coolant flange to the hard water pipe
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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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Connects oil cooler to hard coolant pipe
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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 rear engine, this flange houses the temp sensor
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Monitors coolant temperature for fan control & gauge readings
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Keep proper pressure in your coolant system
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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
