Common source of coolant leaks around your thermostat
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Includes the plug, o-ring and securing clip
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Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace.
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Keep proper pressure in your coolant system
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Brand:
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE!
SAVE 24%
$15.99
This product was last offered at the strikethrough price on 05-02-2026
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
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Transmission Cooler to Thermostat Housing to Radiator
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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
