Complete assembly with quick-coupling piece
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Connects thermostat to the lower main radiator and the left side additional radiator
Brand:
ES#:
252442
Mfg#:
8E0121055AD
In Stock at Vendor
$358.99
This product was last offered at the strikethrough price on 04-17-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Keep your cooling system efficient with a new thermostat and housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Brand:
ES#:
3659374
Mfg#:
07812112JKT4
In Stock
ON SALE!
$180.99
This product was last offered at the strikethrough price on 01-03-2026
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From VIN 8N-Y-015001, split is in the 2000 model year
Monitors coolant temperature for fan control & gauge readings
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Includes quick disconnect piece - Feed Hose
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Brand:
ES#:
3448378
Mfg#:
8E0121070B
In Stock
$127.99
This product was last offered at the strikethrough price on 04-30-2026
Eliminate heat soak and keep IAT's consistent and eliminate restrictions in your intake system for the most power out of your 4.0T!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4876638
Mfg#:
012711LA01EBKT
In Stock
ON SALE!
SAVE 24%
$4313.08
This product was last offered at the strikethrough price on 05-05-2026
A possible source of leaking oil or coolant
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Includes necessary parts to replace the thermostat. Includes revised genuine water pump/thermostat.
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Upgraded aluminum water pump union connects water pump module to oil cooler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4714613
Mfg#:
06L121131
In Stock
$12.99
This product was last offered at the strikethrough price on 04-15-2026
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
