Ensure a proper seal when installing your new thermostat. 50x3.5mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with FSI engines only
Ensure a proper seal when installing a new water pump. 53x4mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with AUG or AWM engine codes only.
Seals the expansion tank cap to the reservoir. 28.5x3.8
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Install a new o-ring for a proper seal. 36x3.15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Connects quick connect and adapter piece
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with BPY engine code and automatic transmission only
Brand:
ES#:
342850
Mfg#:
3C0121101H
In Stock at Vendor
$27.99
This product was last offered at the strikethrough price on 05-07-2026
Connects the lower radiator port to the water pump and expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with AEB or ATW engine codes only, with VIN from 8D-Y-120001, split is in the 2000 model year.
Brand:
ES#:
3463131
Mfg#:
4B0121055F
In Stock
ON SALE!
SAVE 36%
$41.99
This product was last offered at the strikethrough price on 05-02-2026
Connects lower radiator port to the thermostat housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with AHA engine code with VIN up to 3B-X-145 413 or 3B-XE173 715 only, split is in the 1999 model year
Includes integrated coolant level sensor, does not include cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
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.
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Volkswagen
Lifetime Replacement
