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Audi A3 Engine Cooling Parts

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Bolt - Priced Each

ES#261191 - N90735604 - Bolt - Priced Each - Install new hardware with your new parts. M7x28 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x28 For vehicles with FSI engines - Secures the thermostat housing to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
10-25-2026

$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4899524 - 1K0122101KS - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing - Rein - Audi Volkswagen

Connects the upper radiator port to the water pump housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For TSI engine models with manual transmissions only

Brand:
Rein - Corporate Logo
ES#:
4899524
Mfg#:
1K0122101KS
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2712775 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Vemo - Audi Volkswagen Porsche

Monitors coolant temperature for fan control & gauge readings

Brand:
Vemo - Corporate Logo
ES#:
2712775
Mfg#:
06A919501A
In Stock
$21.99

This product was last offered at the strikethrough price on
08-11-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit

ES#4030589 - 004257ECS02KT - VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit - Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. - Assembled By ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with TSI engine only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4030589
Mfg#:
004257ECS02KT
In Stock
ON SALE! SAVE 12%
$390.82

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

$345.78 USD
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing

ES#4196 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Common point of failure or leaking for the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4196
Mfg#:
022121117C
Ships in 1 Business Day
$184.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T EA888 Gen3 & Evo4 Silicone Coolant Return Hose

ES#4500530 - 043365LA01 - 1.8T/2.0T EA888 Gen3 & Evo4 Silicone Coolant Return Hose - Replace the mushy rubber hose between the expansion tank and turbocharger with our Silicone Upgrade - ECS - Audi Volkswagen

Replace the mushy rubber hose between the expansion tank and turbocharger with our Silicone Upgrade 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4500530
Mfg#:
043365LA01
In Stock
ON SALE! SAVE 25%
$52.99

This product was last offered at the strikethrough price on
06-13-2026

$39.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#2588860 - 06L117070 - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects oil cooler to oil filter housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588860
Mfg#:
06L117070
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.

$14.99

This product was last offered at the strikethrough price on
10-25-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump belt

ES#3549254 - 06K121605C - Water pump belt - Recommended to be replaced with the water pump - Genuine Volkswagen Audi - Audi Volkswagen

Recommended to be replaced with the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3549254
Mfg#:
06K121605C
In Stock
34% off MSRP

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

$43.48

This product was last offered at the strikethrough price on
10-25-2026

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
Ships in 7 Business Days
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
09-29-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Flush Kit

ES#2784773 - CO0LANTFLUSHKT2 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784773
Mfg#:
CO0LANTFLUSHKT2
In Stock
ON SALE! SAVE 12%
$80.99

This product was last offered at the strikethrough price on
06-18-2026

$71.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Pipe

ES#315206 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Genuine Volkswagen Audi - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315206
Mfg#:
1K0121070BD
In Stock
$127.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

Autobahn Autoworx Complete Coolant Hose Kit - Blue

ES#5376200 - Aut-mk5-006-blue - Autobahn Autoworx Complete Coolant Hose Kit - Blue - Replace your cracked and leaking hoses with stylish silicone upgrade - Autobahn Autoworx - Audi Volkswagen

Replace your cracked and leaking hoses with stylish silicone upgrade

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
5376200
Mfg#:
AUT-MK5-006-BLUE
Special Order: No Guaranteed ETA
$364.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat - Black

ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#467607 - N10196103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x18 For vehicles with TSI engines - Secures the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467607
Mfg#:
N10196103
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
In Stock
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
10-25-2026

$41.99 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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