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Audi 8S TTRS Quattro 2.5T

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Audi 8S TTRS Quattro 2.5T Engine Thermostat Parts

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Thermostat Assembly

ES#4820277 - 07K121111E - Thermostat Assembly - Includes thermostat housing with thermostat - Wahler - Audi

Includes thermostat housing with thermostat Fits from production date 6/16/17

Brand:
Wahler - Corporate Logo
ES#:
4820277
Mfg#:
07K121111E
Ships in 1 Business Day
$446.99

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

$319.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4699802 - 07K121111F - Thermostat Assembly - Includes thermostat housing with thermostat - Genuine Volkswagen Audi - Audi

Includes thermostat housing with thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699802
Mfg#:
07K121111F
Ships in 3 Business Days
7% off MSRP

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

$833.99

This product was last offered at the strikethrough price on
08-28-2026

$776.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#4842735 - 07K121111ELT1KT - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Assembled By ECS - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring 10X Entries Into Our F80 M3 Sweepstakes
Fits from production date 6/16/17

Brand:
Assembled By ECS - Corporate Logo
ES#:
4842735
Mfg#:
07K121111ELT1KT
Ships in 1 Business Day
ON SALE! SAVE 30%
$461.99

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

$324.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing Sealing O-Ring

ES#4699803 - 07K121139A - Thermostat Housing Sealing O-Ring - Seals the connection point between the thermostat housing and coolant hose - Genuine Volkswagen Audi - Audi

Seals the connection point between the thermostat housing and coolant hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699803
Mfg#:
07K121139A
In Stock
$10.99 USD
Free Shipping
on orders $49 and up

Thermostat / Water Pump Replacement Kit

Includes necessary parts to replace the thermostat and water pump. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386548
Mfg#:
07K121011KKT1
Ships in 4 Business Days
$720.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat / Water Pump Replacement Kit

ES#5386541 - 07k121011kKT - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat and water pump. - Genuine Volkswagen Audi - Audi

Includes necessary parts to replace the thermostat and water pump.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5386541
Mfg#:
07K121011KKT
Ships in 2 Business Days
$972.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#4842736 - 07K121111FKT1 - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4842736
Mfg#:
07K121111FKT1
Ships in 3 Business Days
$791.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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