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Audi A3 Engine Cooling Parts

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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
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5346938 - EPT0030 - Coolant Expansion Tank - Does not include cap - Rein - Audi Volkswagen

Does not include cap 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up

Heater Core Hose - Supply

ES#4899602 - 1K0122157HE - Heater Core Hose - Supply - Connects the heater core pipe to the flange - Rein - Audi Volkswagen

Connects the heater core pipe to the flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4899602
Mfg#:
1K0122157HE
Ships in 2 Business Days
ON SALE! SAVE 47%
$51.99

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

$27.54 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

Billet Water Pump Union

ES#5388836 - 060429LA01 - Billet Water Pump Union - Water pump to oil cooler union pipe with pre-installed O-rings - ECS - Audi Volkswagen

Water pump to oil cooler union pipe with pre-installed O-rings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5388836
Mfg#:
060429LA01
In Stock
$99.99

This product was last offered at the strikethrough price on
03-18-2026

$13.99 USD
Free Shipping
on orders $49 and up
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 day
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
09-07-2026

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

Sealing O-Ring - Priced Each

ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
ON SALE!
$2.12

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

$2.01 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

Water Pump Hardware Kit

ES#3141663 - N90945002KT - Water Pump Hardware Kit - Complete hardware kit for replacing the water pump - Assembled By ECS - Audi

Complete hardware kit for replacing the water pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3141663
Mfg#:
N90945002KT
Ships in 1 Business Day
ON SALE! SAVE 28%
$18.99

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

$13.66 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
09-07-2026

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

Fan mounting pin - priced each

ES#4147336 - 30130013 - Fan mounting pin - priced each - Wire pin used to mount electric fan directly to radiator. - Spal - Audi BMW MINI

Wire pin used to mount electric fan directly to radiator.

Brand:
Spal - Corporate Logo
ES#:
4147336
Mfg#:
30130013
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSI Oil Cooler Adapter Plate Kit - Clear Anodized

ES#3470649 - 462-635-0008 - FSI Oil Cooler Adapter Plate Kit - Clear Anodized - Allows for clean installation of an external oil cooler - iABED Industries - Audi Volkswagen

Allows for clean installation of an external oil cooler For vehicles with FSI engines only

Brand:
iABED Industries - Corporate Logo
ES#:
3470649
Mfg#:
462-635-0008
Special Order: No Guaranteed ETA
$145.00 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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Manufacturer names and/or part numbers are used only for identification purposes.

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