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Audi A3 Engine Cooling Parts

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Expansion Tank Cap - Black

ES#4818658 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE! SAVE 31%
$15.99

This product was last offered at the strikethrough price on
09-16-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

ES#3492309 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Nissens - Audi Volkswagen

Smaller of the two fans found behind the radiator We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3492309
Mfg#:
1K0959455ET
Ships in 6 Business Days
$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

ES#3139119 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Hudson - Audi Volkswagen

Smaller of the two fans found behind the radiator

Brand:
Hudson - Corporate Logo
ES#:
3139119
Mfg#:
1K0959455ET
Ships in 3 Business Days
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Coolant Line Under Intake Hose

ES#5435535 - IT-0108 - CTS Turbo Coolant Line Under Intake Hose - Reroute your engines clutter and clean up your bay with the CTS Turbo Under-Intake Coolant Line - CTS - Audi Volkswagen

Reroute your engine’s clutter and clean up your bay with the CTS Turbo Under-Intake Coolant Line

Brand:
CTS - Corporate Logo
ES#:
5435535
Mfg#:
IT-0108
Ships in 7 Business Days
$39.99 USD
Free Shipping

2-Pin Connector - Priced Each

ES#319070 - 1K0973202 - 2-Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi Volkswagen

Replace a broken connector to restore function 2 pin connector for the coolant expansion tank level sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319070
Mfg#:
1K0973202
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2828404 - 06F121011 - Water Pump - Featuring a metal impeller - URO - Audi Volkswagen

Featuring a metal impeller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
URO - Corporate Logo
ES#:
2828404
Mfg#:
06F121011
Ships in 1 Business Day
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Hose

ES#10337 - 1K0122063G - Coolant Supply Hose - Connects the auxiliary water pump to the t-piece connector - Genuine Volkswagen Audi - Audi Volkswagen

Connects the auxiliary water pump to the t-piece connector For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10337
Mfg#:
1K0122063G
Ships in 1-2 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.

$58.99

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

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

Expansion Tank Hose - Lower

ES#315284 - 1K0121109AK - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315284
Mfg#:
1K0121109AK
Ships in 1 Business Day
11% off MSRP

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

$29.38

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

$26.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4376413 - 1K0121063J - Coolant Return Hose - Connects the auxiliary water pump to the hard water pipe - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
4376413
Mfg#:
1K0121063J
Ships in 1 Business Day
$21.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#315285 - 1K0121109AL - Coolant Hose - Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange - Genuine Volkswagen Audi - Audi Volkswagen

Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315285
Mfg#:
1K0121109AL
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.

$15.99

This product was last offered at the strikethrough price on
10-24-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#3660661 - 06H121026DD - Water Pump Module - Includes the thermostat, temp sensor, belt, and gasket - Hepu - Audi Volkswagen

Includes the thermostat, temp sensor, belt, and gasket For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Hepu - Corporate Logo
ES#:
3660661
Mfg#:
06H121026DD
Ships on Nov 17, 2026
$216.99

This product was last offered at the strikethrough price on
09-16-2026

$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#5374144 - 1K0819031D - Heater Core - Transforms hot coolant into warmth for your cabin - Bremmen Parts - Audi Volkswagen

Transforms hot coolant into warmth for your cabin 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374144
Mfg#:
1K0819031D
In Stock
ON SALE! SAVE 10%
$83.99

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

$75.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock at Vendor
$10.99

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

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF OE Replacement Radiator

ES#5388648 - 3974 - CSF OE Replacement Radiator - Standard replacement radiator - CSF - Audi Volkswagen

Standard replacement radiator 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
5388648
Mfg#:
3974
Ships in 3 Business Days
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% 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
10-24-2026

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Radiator Coupler - Upper

ES#3553274 - 462-121-291U - Cast Aluminum Radiator Coupler - Upper - Replace your inferior plastic component - iABED Industries - Audi Volkswagen

Replace your inferior plastic component

Brand:
iABED Industries - Corporate Logo
ES#:
3553274
Mfg#:
462-121-291U
Back Ordered
$29.99 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.

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