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Audi A4 Engine Cooling Parts

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ES#262927 - 4B0121107B - Expansion Tank Vent Hose - This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor - Genuine Volkswagen Audi - Audi

This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262927
Mfg#:
4B0121107B
Ships in 2 Business 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.

$46.00

This product was last offered at the strikethrough price on
06-13-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2812887 - 026121005F - Water Pump - Featuring a metal impeller - Hamburg Tech - Audi Volkswagen

Featuring a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812887
Mfg#:
026121005F
Ships in 1 Business Day
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-315001, split is in the 1999 model year

Brand:
Gates - Corporate Logo
ES#:
3234892
Mfg#:
078121113G
Ships on Jul 2, 2026
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2901738 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Vemo - Audi Volkswagen

Located on the lower radiator hose connection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2901738
Mfg#:
8D0959481B
In Stock at Vendor
$20.99

This product was last offered at the strikethrough price on
05-07-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2803241 - 06E121445B - Thermostat Hose - Connects the thermostat to the coolant flange - Rein - Audi

Connects the thermostat to the coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803241
Mfg#:
06E121445B
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3462985 - 06B121058 - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Hudson - Audi Volkswagen

Connects the oil cooler to the hard water tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3462985
Mfg#:
06B121058
Ships in 3 Business Days
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3214625 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - URO - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
URO - Corporate Logo
ES#:
3214625
Mfg#:
078117021A
Ships in 1 Business Day
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3234733 - 050121113B - Thermostat (80C)  - Prevent overheating and premature engine wear with a lower opening temperature - Gates - Audi

Prevent overheating and premature engine wear with a lower opening temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234733
Mfg#:
050121113B
Ships on Jul 2, 2026
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4505138 - 06H121113B - Thermostat - Keep your cooling system efficient - URO - Audi Volkswagen

Keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles up to production date 6/3/2012

Brand:
URO - Corporate Logo
ES#:
4505138
Mfg#:
06H121113B
Ships in 1 Business Day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858114 - 8K0121081AB - Expansion Tank Upper Hose - Overflow relief hose for the radiator - Vaico - Audi

Overflow relief hose for the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4858114
Mfg#:
8K0121081AB
Special Order: No Guaranteed ETA
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280422 - 06D121058Q - Oil Cooler Hose - Connects oil cooler to hard coolant pipe - Genuine Volkswagen Audi - Audi

Connects oil cooler to hard coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280422
Mfg#:
06D121058Q
Ships in 2 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$20.99

This product was last offered at the strikethrough price on
06-13-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#272857 - 030121121B - Thermostat Housing - Located on the water pump assembly - Genuine Volkswagen Audi - Audi Volkswagen

Located on the water pump assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272857
Mfg#:
030121121B
Ships in 1-2 days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$40.99

This product was last offered at the strikethrough price on
06-13-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#270387 - 026121041P - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270387
Mfg#:
026121041P
Ships in 2 Business Days
12% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$41.99

This product was last offered at the strikethrough price on
06-13-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#283610 - 078121188C - Throttle Body Coolant Hose - Right - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AHA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283610
Mfg#:
078121188C
Special Order: No Guaranteed ETA
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$40.99

This product was last offered at the strikethrough price on
06-13-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4780974 - 8K0121051C - Water Pump Hose - Connects the lower radiator hose t-fitting to the water pump - Vaico - Audi

Connects the lower radiator hose t-fitting to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4780974
Mfg#:
8K0121051C
Special Order: No Guaranteed ETA
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2627329 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-120000, split is in the 2000 model year

Brand:
Rein - Corporate Logo
ES#:
2627329
Mfg#:
8D0121055G
Ships in 3 Business Days
$36.99 USD
Free Shipping
on orders $49 and up

More About Engine Cooling Parts

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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