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Audi A3 Engine Cooling Parts

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Radiator Coupler - Upper

ES#3463128 - 3C0122291 - Radiator Coupler - Upper - Coupler that connects the upper radiator hose to the radiator - Hudson - Audi Volkswagen

Coupler that connects the upper radiator hose to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3463128
Mfg#:
3C0122291
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#1833518 - 1K0122101JS - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Genuine Volkswagen Audi - Audi Volkswagen

Includes quick disconnect piece - Feed Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833518
Mfg#:
1K0122101JS
In Stock at Vendor
$133.99

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

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Universal Curved Blade Electrical Fan - 12"

ES#4265262 - MMFAN-12C - Mishimoto Universal Curved Blade Electrical Fan - 12" - 1150 CFM. High performance push or pull fan with curved blades. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1150 CFM. High performance push or pull fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265262
Mfg#:
MMFAN-12C
In Stock
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Reroute Kit

ES#4623939 - UH013-ACA - Coolant Hose Reroute Kit - Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components. - Unitronic - Audi Volkswagen

Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4623939
Mfg#:
UH013-ACA
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

ES#3672037 - 5q0121321KT - Coolant Expansion Tank Kit - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit. - Assembled By ECS - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement 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#:
3672037
Mfg#:
5Q0121321KT
Ships on Oct 14, 2026
ON SALE! SAVE 19%
$91.99

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

$74.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2219756
Mfg#:
022121117C
In Stock at Vendor
$53.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 200mm

ES#2737279 - 5Q0959455AH - Auxiliary Fan Assembly - 200mm - Smaller of the two fans found behind the radiator - Genuine Volkswagen Audi - Audi

Smaller of the two fans found behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 5/13/2014

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737279
Mfg#:
5Q0959455AH
Ships in 1-2 days
7% off MSRP

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

$393.99

This product was last offered at the strikethrough price on
02-26-2026

$366.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Autobahn Autoworx Complete Coolant Hose Kit - Grey

Replace your cracked and leaking hoses with stylish silicone upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
5376202
Mfg#:
AUT-MK5-006-GREY
Special Order: No Guaranteed ETA
$364.99 USD
Free Shipping
on orders $49 and up

Liquid Chill Premixed Synthetic Engine Coolant - 64oz

ES#3676995 - MMRALC505064F - Liquid Chill Premixed Synthetic Engine Coolant - 64oz - Perfect for a top off any time you need it! - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Perfect for a top off any time you need it! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3676995
Mfg#:
MMRALC505064F
In Stock
$28.99 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 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#:
2882406
Mfg#:
1K0122291AD
In Stock at Vendor
$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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Forge - Corporate Logo
ES#:
1832511
Mfg#:
FMKC010
Ships in 3 Business Days
$346.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2592613 - 1K0121407AKT3 - Expansion Tank Replacement Kit - Everything in one kit to replace your coolant expansion tank - Assembled By ECS - Audi

Everything in one kit to replace your coolant expansion tank 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#:
2592613
Mfg#:
1K0121407AKT3
In Stock
ON SALE! SAVE 25%
$32.99

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

$24.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#1906191 - 1K0122051GL - Radiator Hose - Lower - Includes quick disconnect piece - Genuine Volkswagen Audi - Audi Volkswagen

Includes quick disconnect piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1906191
Mfg#:
1K0122051GL
In Stock at Vendor
27% off MSRP

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

$234.99

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

$171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#2812871 - 022121121E - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Hamburg Tech - Audi Volkswagen

Common source of coolant leaks around your thermostat 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#:
2812871
Mfg#:
022121121E
Ships in 2 Business Days
$25.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-04-2026

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

Turbo Coolant Hose - Return Line

ES#281168 - 06F121492L - Turbo Coolant Hose - Return Line - Keep your turbo system cooled properly - Genuine Volkswagen Audi - Audi Volkswagen

Keep your turbo system cooled properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281168
Mfg#:
06F121492L
Ships in 1-2 days
7% off MSRP

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

$179.99

This product was last offered at the strikethrough price on
02-26-2026

$167.99 USD
Free Shipping
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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Manufacturer names and/or part numbers are used only for identification purposes.

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