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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Engine Cooling Parts

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Oil Cooler Replacement Kit

ES#2973044 - 078117021AKT - Oil Cooler Replacement Kit - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973044
Mfg#:
078117021AKT
Ships in 1 Business Day
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries For Our 25th Anniversary Sweepstakes!
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Thermostat - 87C

ES#4810572 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Rein - Audi Volkswagen

Prevent overheating and premature engine wear 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810572
Mfg#:
078121113F
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4220573 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Rein - Audi Volkswagen

Does not include sealing O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Lower temperature thermostat, stock is 87°C

Brand:
Rein - Corporate Logo
ES#:
4220573
Mfg#:
075121113D
Ships in 3 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

Does not include sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Meistersatz - Corporate Logo
ES#:
2800945
Mfg#:
075121113D
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#251955 - 6PK1855 - Accessory Belt - Replace your cracked or worn belt - Bando - Audi

Replace your cracked or worn belt

Brand:
Bando - Corporate Logo
ES#:
251955
Mfg#:
6PK1855
Ships in 1 day
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Secondary pump for more efficient cooling

Brand:
Gates - Corporate Logo
ES#:
4140375
Mfg#:
078965561
Ships in 1 day
$207.99

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

$201.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92�C

Includes sealing O-Ring

Brand:
Hudson - Corporate Logo
ES#:
3139068
Mfg#:
078121113G
Ships in 1 day
$17.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear

Brand:
Hudson - Corporate Logo
ES#:
3139067
Mfg#:
078121113FOE
Ships in 1 day
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#616 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Meyle - Audi Volkswagen

Prevent overheating and premature engine wear 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
616
Mfg#:
078121113F
Ships on Sep 8, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92�C

ES#3478145 - 078121113G - Thermostat - 92C - Includes sealing O-Ring - Meyle - Audi Volkswagen

Includes sealing O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3478145
Mfg#:
078121113G
Ships on Sep 8, 2026
$13.99 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Control Unit

ES#3979047 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Meyle - 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:
Meyle - Corporate Logo
ES#:
3979047
Mfg#:
8D0959501D
Ships on Sep 8, 2026
$452.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermal Switch - 2 Pin

ES#4331001 - 357919369F - Thermal Switch - 2 Pin - Meyle - Audi Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4331001
Mfg#:
357919369F
Ships on Sep 8, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear

Brand:
Gates - Corporate Logo
ES#:
3234891
Mfg#:
078121113F
Ships on Sep 10, 2026
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Used as a after run pump on the V6 engine Replacement water pump for auxiliary water pump relocation

Brand:
Gates - Corporate Logo
ES#:
3234896
Mfg#:
078121601B
Ships on Sep 10, 2026
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#5340526 - N90560701 - O-Ring - Priced Each - 30x5 - Ensure a proper seal with a new o-ring - Elring - Audi

30x5 - Ensure a proper seal with a new o-ring 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340526
Mfg#:
N90560701
Special Order: No Guaranteed ETA
ON SALE! SAVE 35%
$2.99

This product was last offered at the strikethrough price on
08-14-2026

$1.93 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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