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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Engine Thermostat Parts

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Water Pump And Thermostat Replacement Kit

ES#4690993 - 06m121115kKT - Water Pump And Thermostat Replacement Kit - Replace your Genuine thermostat and temp sensor with one kit! - Genuine Volkswagen Audi - Audi

Replace your Genuine thermostat and temp sensor with one kit! Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4690993
Mfg#:
06M121115KKT
In Stock
$791.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Replacement Kit

ES#4899227 - 06M121115K2KT - Water Pump And Thermostat Replacement Kit - Maintain proper operating temperature with a new water pump and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new water pump and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Includes 4-Bolt Water Pump and hardware - No pulley included

Brand:
Assembled By ECS - Corporate Logo
ES#:
4899227
Mfg#:
06M121115K2KT
Ships in 1 day
ON SALE! SAVE 27%
$613.99

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

$446.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing

ES#4930699 - 06M121115P - Thermostat Housing - Common point of failure for the cooling system. - Genuine Volkswagen Audi - Audi

Common point of failure for the cooling system.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4930699
Mfg#:
06M121115P
In Stock
1% off MSRP

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

$210.00

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

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4690984 - 06M121115K - Thermostat Housing - Common point of failure for the cooling system. - Vernet - Audi

Common point of failure for the cooling system.

Brand:
Vernet - Corporate Logo
ES#:
4690984
Mfg#:
06M121115K
In Stock
$70.99

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

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#468845 - N10700201 - Torx Bolt - Priced Each - Bolt used in various areas on your European vehicle. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Bolt used in various areas on your European vehicle. M6x22 For vehicles with production date from 01/24/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468845
Mfg#:
N10700201
In Stock
42% off MSRP

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

$5.14

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Replacement Kit

Replace your thermostat and temp sensor with one kit! 10X Entries For Our 25th Anniversary Sweepstakes!
Includes 4-Bolt Water Pump and hardware - No pulley included

Brand:
Assembled By ECS - Corporate Logo
ES#:
4690994
Mfg#:
06M1211152KT
Ships in 1 day
ON SALE!
$526.99

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

$495.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing

ES#5374543 - 06M121115K - Thermostat Housing - Common point of failure for the cooling system. - Hamburg Tech - Audi

Common point of failure for the cooling system.

Brand:
Hamburg Tech - Corporate Logo
ES#:
5374543
Mfg#:
06M121115K
Ships in 1 Business Day
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

Common point of failure for the cooling system.

Brand:
Vernet - Corporate Logo
ES#:
4845444
Mfg#:
06M121115N
In Stock at Vendor
$80.99

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

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#3211787 - 06M121688 - Thermostat Housing O-Ring - Seal for the thermostat housing - Genuine Volkswagen Audi - Audi

Seal for the thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3211787
Mfg#:
06M121688
Ships in 1 day
10% off MSRP

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

$9.99

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

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

Thermostat Housing O-Ring

ES#4690986 - 06M121688 - Thermostat Housing O-Ring - Seal for the thermostat housing - Elring - Audi

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

Brand:
Elring - Corporate Logo
ES#:
4690986
Mfg#:
06M121688
In Stock
$12.99 USD
Free Shipping
on orders $49 and up

Thermostat Housing

Common point of failure for the cooling system. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5426272
Mfg#:
06M121115P
In Stock
ON SALE! SAVE 16%
$61.99

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

$52.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4845814 - 06M121115N - Thermostat Housing - Common point of failure for the cooling system. - Vemo - Audi

Common point of failure for the cooling system.

Brand:
Vemo - Corporate Logo
ES#:
4845814
Mfg#:
06M121115N
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

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Manufacturer names and/or part numbers are used only for identification purposes.

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