The thermostat housing is located at the top of the engine above and behind the water pump
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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
Replace leaking tanks to restore system operation
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3-way hose for left and right cylinder heads
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Keep proper pressure in your coolant system
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Repair leaks and avoid them in the future by replacing your water pump gasket
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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
