Common source of undiscoverable coolant leaks
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Brand:
ES#:
4939952
Mfg#:
068117021B
In Stock
Limited Qty Sale
$26.99
This product was last offered at the strikethrough price on 05-02-2026
1-pin sensor black in color. M10x1
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Mounts on radiator to determine coolant temperature for fan operation
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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
Allows for expansion and contraction of coolant in your cooling system
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Located on the lower side of the radiator
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2-pin with black connector
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2-pin with blue connector
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Brand:
ES#:
4327628
Mfg#:
13621709966
Ships on Oct 13, 2026
$13.31
This product was last offered at the strikethrough price on 12-29-2025
Located in the coolant reservoir
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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.
