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Audi Engine Cooling Parts

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Coolant Expansion Tank Cap

ES#5340291 - 4M0121321Q - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi

Keep proper pressure in your coolant system

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340291
Mfg#:
4M0121321Q
In Stock
$35.99 USD
Free Shipping
on orders $49 and up

Radiator Hose - Upper

ES#2536251 - 1K0122101LA - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing and transmission cooler - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the water pump housing and transmission cooler For engine code CCTA & for CETA with automatic transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2536251
Mfg#:
1K0122101LA
Ships in 1 Business Day
3% off MSRP

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

$314.99

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

$304.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Multipoint Bolt - Priced Each

ES#471740 - N91052201 - Multipoint Bolt - Priced Each - Install new hardware with your new parts. M8x32 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x32 Secures the pulley to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471740
Mfg#:
N91052201
In Stock
10% off MSRP

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

$2.14

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

$1.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#280792 - 06E121111M - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi

Includes housing and gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280792
Mfg#:
06E121111M
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.

$168.99

This product was last offered at the strikethrough price on
08-17-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Secondary pump for more efficient cooling

Brand:
Pierburg - Corporate Logo
ES#:
5470743
Mfg#:
5Q0965561B
Ships in 1 Business Day
$305.99

This product was last offered at the strikethrough price on
11-01-2026

$302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant Hose - Return

ES#4753179 - 06H121492D - Turbocharger Coolant Hose - Return - Connects the turbocharger to the water pipe - URO - Audi

Connects the turbocharger to the water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4753179
Mfg#:
06H121492D
In Stock
Limited Qty Sale
$63.99

This product was last offered at the strikethrough price on
10-08-2026

$54.99 USD
Free Shipping
on orders $49 and up

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
47% off MSRP

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

$16.99

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

$8.99 USD
Free Shipping
on orders $49 and up

Additional Radiator - Priced Each

ES#3492507 - 7L8121212A - Additional Radiator - Priced Each - Smaller secondary radiator - Fits both right and left side positions - Nissens - Audi

Smaller secondary radiator - Fits both right and left side positions We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3492507
Mfg#:
7L8121212A
Ships in 6 Business Days
$300.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2599723 - 06H121601N - Auxiliary Water Pump - Located in the heater hoses - Genuine Volkswagen Audi - Audi

Located in the heater hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2599723
Mfg#:
06H121601N
Ships in 2 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.

$330.99

This product was last offered at the strikethrough price on
10-05-2026

$300.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#4817970 - 8K0965567B - Auxiliary Water Pump - Water pump for the hybrid electric system - Pierburg - Audi

Water pump for the hybrid electric system

Brand:
Pierburg - Corporate Logo
ES#:
4817970
Mfg#:
8K0965567B
Ships in 1-2 days
$642.99

This product was last offered at the strikethrough price on
08-01-2026

$600.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main Radiator

ES#2912841 - 8K0121251AM - Main Radiator - Main replacement radiator - Genuine Volkswagen Audi - Audi

Main replacement radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2912841
Mfg#:
8K0121251AM
Ships in 2 Business 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.

$691.99

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

$599.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3442749 - 1K0122101LA - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing and transmission cooler - Rein - Audi Volkswagen

Connects the upper radiator port to the water pump housing and transmission cooler 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For TSI engine models with a CBFA engine code and automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3442749
Mfg#:
1K0122101LA
Ships in 3 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Cover

ES#3553459 - 462-121-VR41E - Cast Aluminum Thermostat Housing Cover - Replace your inferior plastic housing cover - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing cover

Brand:
iABED Industries - Corporate Logo
ES#:
3553459
Mfg#:
462-121-VR41E
Back Ordered
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System o-ring - Priced Each

ES#382352 - 4E0121666 - Cooling System o-ring - Priced Each - Ensure a proper seal on your cooling system. 38x4mm - Genuine Volkswagen Audi - Audi

Ensure a proper seal on your cooling system. 38x4mm Seals the lower right radiator hose to the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
382352
Mfg#:
4E0121666
In Stock
40% off MSRP

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

$10.04

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4028100 - 06K121605C - Water Pump Belt - Recommended to be replaced with the water pump - Continental - Audi Volkswagen

Recommended to be replaced with the water pump We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
4028100
Mfg#:
06K121605C
Back Ordered
$29.99

This product was last offered at the strikethrough price on
10-27-2026

$25.99 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.

Other Audi Engine Cooling Parts

Let us help you find the parts that fit your Audi

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