Runs from the water pipe into the heater core
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Common source of coolant leaks around your thermostat
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Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
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Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
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Connects throttle body to cooling Y pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with AEG engine code to production date 10/31/2000
Brand:
ES#:
2503136
Mfg#:
1J0121447H
Ships in 1-2 days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$18.99
This product was last offered at the strikethrough price on 06-04-2026
Square connector with rounded ends
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with square connector only
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Located on the front side of the cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms AAZ Engine code and manual transmission only
Keep your car running at the proper temperature.
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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.
Let us help you find the parts that fit your
Volkswagen
Lifetime Replacement
