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Audi A4 Engine Cooling Parts

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Thermostat (87°C)

ES#4766153 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Bremmen Parts - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766153
Mfg#:
050121113C
Ships on Nov 16, 2026
Auto Notify
ON SALE!
$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon

ES#4906329 - 861399 - Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon - MBZ Approval: 325.5 / 325.6 - Zerex - Audi Volkswagen Mercedes Benz Porsche

MBZ Approval: 325.5 / 325.6

Brand:
Zerex - Corporate Logo
ES#:
4906329
Mfg#:
861399
In Stock
$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up

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 Secures thermostat housing to engine block - 2 needed total

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
09-09-2026

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

Coolant Supply Pipe With Hoses & Hose Clamps

ES#4772439 - 06B121070HKT1 - Coolant Supply Pipe With Hoses & Hose Clamps - Located along top of the intake manifold - Assembled By ECS - Audi

Located along top of the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4772439
Mfg#:
06B121070HKT1
In Stock
ON SALE! SAVE 15%
$187.99

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

$159.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Expansion Tanks Breather Line

ES#4008182 - 8W0121081ED - Expansion Tanks Breather Line - keep your engine temps where they are supposed to be! - Genuine Volkswagen Audi - Audi

keep your engine temps where they are supposed to be!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4008182
Mfg#:
8W0121081ED
Ships Today
5% off MSRP

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

$36.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump drive pulley

ES#2639833 - 06H103731G - Water pump drive pulley - Used to drive the water pump - Genuine Volkswagen Audi - Audi Volkswagen

Used to drive the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2639833
Mfg#:
06H103731G
In Stock
8% off MSRP

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

$55.15

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Gasket

ES#2831945 - 06E117070J - Oil Cooler Gasket - Seals the connection between the oil cooler and the engine - Genuine Volkswagen Audi - Audi

Seals the connection between the oil cooler and the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831945
Mfg#:
06E117070J
In Stock
27% off MSRP

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

$26.96

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

$19.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4818678 - 8K1819371AB - Heater Core Hose - Return - Connects the heater core to the hard water pipe - Bremmen Parts - Audi

Connects the heater core to the hard water pipe 10X Entries Into Our F80 M3 Sweepstakes

Up to the 2012 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818678
Mfg#:
8K1819371AB
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2828403 - 06E121018A - Water Pump - Includes gasket and features a metal impeller - URO - Audi Volkswagen

Includes gasket and features a metal impeller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828403
Mfg#:
06E121018A
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Coolant J-Plug W/ O-ring (06B103033A)

ES#2763232 - 005224ECS01A - Billet Aluminum Coolant J-Plug W/ O-ring (06B103033A) - Engineered to be the last worry in your coolant system - ECS - Audi

Engineered to be the last worry in your coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2763232
Mfg#:
005224ECS01A
In Stock
ON SALE! SAVE 25%
$66.99

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

$50.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4818675 - 8K0121403AC - Coolant Expansion Tank - Plastic reservoir for the coolant system - Bremmen Parts - Audi Porsche

Plastic reservoir for the coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818675
Mfg#:
8K0121403AC
In Stock
ON SALE! SAVE 17%
$37.99

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

$31.44 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
04-09-2026

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

Thermostat Assembly

ES#2804445 - 06D121111G - Thermostat Assembly - Includes sealing o-ring - Bremmen Parts - Audi

Includes sealing o-ring 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804445
Mfg#:
06D121111G
In Stock
ON SALE! SAVE 20%
$47.99

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

$38.34 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 on Oct 14, 2026
ON SALE! SAVE 15%
$69.99

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

$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

Heater Core

ES#4871985 - 8E1820031 - Heater Core - Stop coolant leaks, restore heater operation, and cure a fogged windshield! - Bremmen Parts - Audi

Stop coolant leaks, restore heater operation, and cure a fogged windshield! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871985
Mfg#:
8E1820031
In Stock
$66.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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