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Audi B5 Engine Cooling Parts

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Front Coolant Pipe

ES#5341345 - TTE10524 - Front Coolant Pipe - Connects the left side water pipe elbow to the thermostat hose - The Turbo Engineers - Audi

Connects the left side water pipe elbow to the thermostat hose

Brand:
The Turbo Engineers - Corporate Logo
ES#:
5341345
Mfg#:
TTE10524
Ships on Aug 6, 2026
$69.99 USD
Free Shipping
on orders $49 and up

Allen Bolt - Priced Each

ES#8712 - N90339605 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x37 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x37 Engine codes AEB & ATW. Secures the oil filter adapter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8712
Mfg#:
N90339605
Ships in 5 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing J-Plug - Billet Aluminum

ES#4818842 - 1.8TJplug - Thermostat Housing J-Plug - Billet Aluminum - Strange coolant leak? It's possible you just need to upgrade your J-plug! - 40T Performance - Audi

Strange coolant leak? It's possible you just need to upgrade your J-plug!

Brand:
40T Performance - Corporate Logo
ES#:
4818842
Mfg#:
1.8TJPLUG
Ships in 6 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#4908550 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Bremmen Parts - Audi

Controls the actuation of the radiator fan 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4908550
Mfg#:
8D0959501D
Special Order: No Guaranteed ETA
Auto Notify
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#4818441 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Bremmen Parts - Audi Volkswagen

Connects the oil cooler to the hard water pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818441
Mfg#:
06B121058S
In Stock
ON SALE! SAVE 27%
$8.99

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

$6.52 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

ES#280012 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the oil cooler to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280012
Mfg#:
06B121058S
Ships in 3 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.

$37.99

This product was last offered at the strikethrough price on
07-20-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

Replace your leaking water pump

Brand:
Hepu - Corporate Logo
ES#:
4141801
Mfg#:
078121006AX
In Stock at Vendor
$137.99

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

$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3491424 - 026121005L - Water Pump - Featuring a metal impeller - Hepu - Audi Volkswagen

Featuring a metal impeller

Brand:
Hepu - Corporate Logo
ES#:
3491424
Mfg#:
026121005L
Ships on Aug 13, 2026
$65.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3063385 - G013A8JM1KT - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3063385
Mfg#:
G013A8JM1KT
In Stock
ON SALE!
$144.99

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

$131.72 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Auxiliary Fan Assembly - 280mm

300W with round 2 pin connector Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
Mahle-Behr - Corporate Logo
ES#:
4355144
Mfg#:
8D0959455R
In Stock at Vendor
$134.99

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

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3478146 - 078121006A - Water Pump - Featuring a metal impeller - GMB - Audi

Featuring a metal impeller

Brand:
GMB - Corporate Logo
ES#:
3478146
Mfg#:
078121006A
Back Ordered
$134.99

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

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1.5 Liter

ES#2808528 - G013A8JM1 - G13 Coolant - 1.5 Liter - Lilac OE specification lifetime coolant - ROWE - Audi Volkswagen

Lilac OE specification lifetime coolant

Brand:
ROWE - Corporate Logo
ES#:
2808528
Mfg#:
G013A8JM1
Ships in 9 Business Days
$17.99 USD
Free Shipping

Oil Cooler Hose - Supply

ES#4608741 - 078121058AM - Oil Cooler Hose - Supply - Connects the oil cooler to the water pipe - Elaplast - Audi

Connects the oil cooler to the water pipe From VIN 8D-Y-033556, split is in the 2000 model year

Brand:
Elaplast - Corporate Logo
ES#:
4608741
Mfg#:
078121058AM
In Stock
$8.06

This product was last offered at the strikethrough price on
07-09-2026

$7.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

ES#5435259 - 904683 - Zerex Ht-12 Pink - Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. - Zerex - Audi Volkswagen

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
In Stock at Vendor
$25.99

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

$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2709521 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - URO - Audi

Controls the actuation of the radiator fan 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709521
Mfg#:
8D0959501D
Back Ordered
$124.26 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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