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Audi Engine Cooling Parts

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Coolant Expansion Tank

ES#3249862 - 4H0121403N - Coolant Expansion Tank - Plastic reservoir for the cooling system - Genuine Volkswagen Audi - Audi

Plastic reservoir for the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3249862
Mfg#:
4H0121403N
Ships in 1-2 days
14% off MSRP

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

$138.99

This product was last offered at the strikethrough price on
08-31-2026

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3449093 - 06L121012A - Water Pump - Includes gasket and hardware - Graf - Audi Volkswagen

Includes gasket and hardware

Brand:
Graf - Corporate Logo
ES#:
3449093
Mfg#:
06L121012A
Ships in 2 Business Days
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3412065 - 8K0121405N - Coolant Expansion Tank - Includes the heat shield - Hudson - Audi

Includes the heat shield

Brand:
Hudson - Corporate Logo
ES#:
3412065
Mfg#:
8K0121405N
Ships in 1-2 days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Disconnect Coupler

ES#251611 - 3B0122291B - Quick Disconnect Coupler - Push tab connector used in various places on the cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Push tab connector used in various places on the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251611
Mfg#:
3B0122291B
Ships in 1-2 days
13% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
10-26-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Gasket

ES#277869 - 059115446A - Oil Cooler Gasket - Common source of leaking - Genuine Volkswagen Audi - Audi Volkswagen

Common source of leaking

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277869
Mfg#:
059115446A
Ships in 3 Business Days
9% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
11-05-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank With Cap

ES#4726300 - 420121403 - Coolant Expansion Tank With Cap - Coolant level sensor enclosed in tank, and includes cap! - Hamburg Tech - Audi

Coolant level sensor enclosed in tank, and includes cap! We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4726300
Mfg#:
420121403
Ships in 2 Business Days
$119.95 USD
Free Shipping
on orders $49 and up

Coolant Flange

ES#3536826 - 03L121132Q - Coolant Flange - Flange contains the coolant temperature sensor - URO - Audi Volkswagen

Flange contains the coolant temperature sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3536826
Mfg#:
03L121132Q
Ships in 2 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#4765838 - 07K121133E - Coolant Flange - Located on the driver side of the cylinder head - URO - Audi Volkswagen

Located on the driver side of the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4765838
Mfg#:
07K121133E
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#4818465 - 06F121057D - Coolant Hose - Rubber coolant hose that connects thermostat to coolant hard pipe - Bremmen Parts - Audi

Rubber coolant hose that connects thermostat to coolant hard pipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818465
Mfg#:
06F121057D
In Stock
$4.99 USD
Free Shipping
on orders $49 and up

Thermostat Assembly

ES#3961 - 06C121111C - Thermostat Assembly - Housing included - Wahler - Audi

Housing included

Brand:
Wahler - Corporate Logo
ES#:
3961
Mfg#:
06C121111C
In Stock at Vendor
ON SALE!
$60.23

This product was last offered at the strikethrough price on
10-31-2026

$59.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3437291 - 7L0121407F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Rein - Audi Volkswagen Porsche

Coolant level sensor enclosed in tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3437291
Mfg#:
7L0121407F
Ships on Nov 23, 2026
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#1906430 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place. - MTC - Audi Volkswagen

Secures the coolant temperature sensor in place.

Brand:
MTC - Corporate Logo
ES#:
1906430
Mfg#:
032121142
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3463364 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Hudson - Audi

Includes quick disconnect piece - Feed Hose

Brand:
Hudson - Corporate Logo
ES#:
3463364
Mfg#:
8E0121070B
Ships in 1-2 days
$117.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#3194965 - 078121058M - Oil Cooler Hose - Connects the oil cooler to the upper coolant pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the upper coolant pipe We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Vaico - Corporate Logo
ES#:
3194965
Mfg#:
078121058M
Ships in 2 Business Days
$23.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch - Black

ES#303643 - 1H0959481B - Radiator Fan Switch - Black - Square connector with rounded ends (95-102c) - Genuine Volkswagen Audi - Audi Volkswagen

Square connector with rounded ends (95-102c) Up to model year 2002

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
303643
Mfg#:
1H0959481B
Ships in 1-2 days
13% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
08-31-2026

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#2652248 - 06A121121CKT4 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8N-Y-015000, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2652248
Mfg#:
06A121121CKT4
Ships on Feb 24, 2027
ON SALE!
$116.99

This product was last offered at the strikethrough price on
10-29-2026

$110.14 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

Other Audi Engine Cooling Parts

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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