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Audi A3 Engine Cooling Parts

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Radiator

ES#4367020 - 5WA121251H - Radiator - Keep your engine running cool with a new radiator. - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running cool with a new radiator.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4367020
Mfg#:
5WA121251H
Ships in 1 day
7% off MSRP

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

$350.99

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

$325.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#315317 - 1K0121251AB - Radiator - Keep your engine running cool with a new radiator - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running cool with a new radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315317
Mfg#:
1K0121251AB
Special Order: No Guaranteed ETA
7% off MSRP

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

$349.99

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

$323.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Water Pump Kit

ES#4849600 - 06H121026DS - Upgraded Aluminum Water Pump Kit - Includes a new water pump, aluminum thermostat/housing, & hardware. - Vaico - Audi Volkswagen

Includes a new water pump, aluminum thermostat/housing, & hardware. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4849600
Mfg#:
06H121026DS
Special Order: No Guaranteed ETA
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Bracket - Priced Each

ES#3618272 - 1K0121367P - Upper Radiator Bracket - Priced Each - Secures the top corners of the radiator - Febi - Audi Volkswagen

Secures the top corners of the radiator We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3618272
Mfg#:
1K0121367P
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
ON SALE!
$16.99

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

$16.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2882406 - 1K0122291AD - Coolant Flange - Connects the lower radiator hose to the radiator - Vaico - Audi Volkswagen

Connects the lower radiator hose to the radiator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2882406
Mfg#:
1K0122291AD
Ships in 1 Business Day
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#2718036 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Elring - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718036
Mfg#:
038117070A
In Stock
$1.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Performance Auxiliary Heat Exchanger

ES#4491502 - MMRAD-MK7-15A - Mishimoto Performance Auxiliary Heat Exchanger - 106% increase in coolant capacity over stock heat exchanger - Mishimoto - Audi Volkswagen

106% increase in coolant capacity over stock heat exchanger

Brand:
Mishimoto - Corporate Logo
ES#:
4491502
Mfg#:
MMRAD-MK7-15A
Ships in 3 Business Days
$389.99

This product was last offered at the strikethrough price on
05-26-2026

$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Black

ES#1832511 - FMKC010 - Silicone Coolant Hose Kit - Black - Improves performance, durability, along with providing a cleaner look. Eight piece kit - Forge - Audi Volkswagen

Improves performance, durability, along with providing a cleaner look. Eight piece kit For vehicles with FSI engines only

Brand:
Forge - Corporate Logo
ES#:
1832511
Mfg#:
FMKC010
Ships in 5 Business Days
ON SALE! SAVE 10%
$346.99

This product was last offered at the strikethrough price on
08-29-2026

$311.66 USD
Free Shipping
on orders $49 and up

Thermostat Gasket

ES#3537700 - 06L121139 - Thermostat Gasket - Seals the thermostat and water pump to the engine - Elring - Audi Volkswagen

Seals the thermostat and water pump to the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3537700
Mfg#:
06L121139
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

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

$6.47

This product was last offered at the strikethrough price on
09-07-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#261234 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261234
Mfg#:
038121119B
Ships in 1-2 days
$7.99 USD
Free Shipping
on orders $49 and up
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 2 Business Days
$301.99

This product was last offered at the strikethrough price on
07-15-2026

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

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
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.

$7.80

This product was last offered at the strikethrough price on
08-26-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2219756 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - URO - Audi Volkswagen

Common point of failure or leaking for the cooling system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2219756
Mfg#:
022121117C
Ships in 1 Business Day
$53.99

This product was last offered at the strikethrough price on
04-28-2026

$32.99 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

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