Keep proper pressure in your coolant system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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
Runs from the radiator to the water pipe.
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Brand:
ES#:
2803798
Mfg#:
8E0121055E
In Stock at Vendor
$97.99
This product was last offered at the strikethrough price on 05-07-2026
Composed of genuine Audi parts to fix your leaking coolant expansion tank.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2586894
Mfg#:
8E0121403KT
In Stock
ON SALE!
SAVE 44%
$158.99
This product was last offered at the strikethrough price on 02-08-2026
Stop coolant loss and cure a fogged windshield
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Runs from the radiator to the water pipe and expansion tank.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From sedan models from VIN 8E-5-125001, and cabriolet models from VIN 8H-5-005601 - Splits are in the 2005 model year
Three way connector that attaches directly to the upper radiator hose
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A failed 219 relay can leave your fan running and cause a dead battery
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Used for fan control
Brand:
ES#:
360041
Mfg#:
443951253AA
Special Order: No Guaranteed ETA
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$91.99
This product was last offered at the strikethrough price on 02-26-2026
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
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30x5 - Ensure a proper seal with a new o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms O-Ring on back of cylinder head that seals metal water pipe to heads & center coolant pipe, 3 per car
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
