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Audi A4 Engine Cooling Parts

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Expansion Tank Vent Hose

ES#436161 - 8E0121107AE - Expansion Tank Vent Hose - Connects coolant expansion tank to the upper radiator hose - Genuine Volkswagen Audi - Audi

Connects coolant expansion tank to the upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436161
Mfg#:
8E0121107AE
Ships in 1-2 days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Cylinder Head Cooling Flange

ES#4070439 - 462-121-132b5KT - Cast Aluminum Cylinder Head Cooling Flange - Located on the back of the cylinder head - iABED Industries - Audi Volkswagen

Located on the back of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWM engine code only

Brand:
iABED Industries - Corporate Logo
ES#:
4070439
Mfg#:
462-121-132B5KT
Back Ordered
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#4159252 - 06H121026CQ - Water Pump Module - Includes the thermostat, temp sensor, and gasket - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, and gasket 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#:
4159252
Mfg#:
06H121026CQ
Ships in 1 Business Day
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Union - With Seals

ES#4688634 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Bremmen Parts - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4688634
Mfg#:
06H121131C
In Stock
ON SALE! SAVE 31%
$4.99

This product was last offered at the strikethrough price on
05-02-2026

$3.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2608151 - 06D121111GKT3 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608151
Mfg#:
06D121111GKT3
In Stock
ON SALE! SAVE 21%
$123.99

This product was last offered at the strikethrough price on
01-03-2026

$98.33 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Electric Cooling Fan - Right

ES#2826393 - 8K0959455M - Electric Cooling Fan - Right - 200Watt 350mm fan that sits behind the radiator - Behr - Audi

200Watt 350mm fan that sits behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
2826393
Mfg#:
8K0959455M
In Stock at Vendor
$212.99

This product was last offered at the strikethrough price on
03-04-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Hose - Feed Line

ES#280432 - 06D121497A - Turbo Cooling Hose - Feed Line - Connects turbocharger to the connection flange - Genuine Volkswagen Audi - Audi

Connects turbocharger to the connection flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280432
Mfg#:
06D121497A
Special Order: No Guaranteed ETA
8% off MSRP

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

$213.99

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

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#1598113 - 8K1819373AN - Heater Core Hose - Supply - Connects the heater valve to the heater core - Genuine Volkswagen Audi - Audi

Connects the heater valve to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 5/26/2009 up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598113
Mfg#:
8K1819373AN
Ships in 1-2 days
8% off MSRP

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

$106.99

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

$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#452784 - 8K1819373AB - Heater Core Hose - Supply - Connects the heater valve to the heater core - Genuine Volkswagen Audi - Audi

Connects the heater valve to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 5/25/2009

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452784
Mfg#:
8K1819373AB
Ships in 4 Business Days
8% off MSRP

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

$106.99

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

$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2872396 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump & reservoir - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump & reservoir 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:
Febi - Corporate Logo
ES#:
2872396
Mfg#:
8D0121055G
In Stock at Vendor
$49.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support Bar - Right

ES#451185 - 8K0805528A - Radiator Support Bar - Right - Support bar that holds your radiator in place - Genuine Volkswagen Audi - Audi

Support bar that holds your radiator in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451185
Mfg#:
8K0805528A
Ships in 2 Business Days
8% off MSRP

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

$52.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Clutch

ES#1713 - 058121350 - Auxiliary Fan Clutch - Common cause of overheating issues - Sachs - Audi Volkswagen

Common cause of overheating issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
1713
Mfg#:
058121350
Ships in 1-2 days
$200.99

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

$194.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant flange

ES#4020877 - 06E121168B - Coolant flange - Located on the engine block - Genuine Volkswagen Audi - Audi

Located on the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4020877
Mfg#:
06E121168B
Ships in 1-2 days
8% off MSRP

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

$70.99

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

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4140429
Mfg#:
8E1820031
In Stock at Vendor
$194.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#3180935 - 8W0122055L - Lower Radiator Hose - Genuine Lower hose - Genuine Volkswagen Audi - Audi

Genuine Lower hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180935
Mfg#:
8W0122055L
Ships in 1-2 days
8% off MSRP

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

$211.99

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

$193.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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