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Audi D4 S8 Quattro 4.0T

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Audi D4 S8 Quattro 4.0T Engine Thermostat Parts

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Thermostat Assembly

ES#5396343 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - URO - Audi

Includes sealing gasket and housing 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5396343
Mfg#:
079121115BL
In Stock
$172.99

This product was last offered at the strikethrough price on
09-10-2026

$168.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#3485965 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - Genuine Volkswagen Audi - Audi

Includes sealing gasket and housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485965
Mfg#:
079121115BL
Ships in 3 Business Days
10% off MSRP

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

$391.99

This product was last offered at the strikethrough price on
08-31-2026

$352.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#3647270 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - Vernet - Audi

Includes sealing gasket and housing

Brand:
Vernet - Corporate Logo
ES#:
3647270
Mfg#:
079121115BL
Back Ordered
$172.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4899146 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - Vemo - Audi

Includes sealing gasket and housing

Brand:
Vemo - Corporate Logo
ES#:
4899146
Mfg#:
079121115BL
Special Order: No Guaranteed ETA
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#2563470 - 079121119J - Thermostat Housing Gasket - Must be replaced when replacing the thermostat - Genuine Volkswagen Audi - Audi

Must be replaced when replacing the thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2563470
Mfg#:
079121119J
In Stock
Limited Qty Sale
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

Ensure your 4.0T engine reaches and maintains optimal operating temperature by replacing a sticking or failed thermostat assembly. Includes the housing and sealing gasket. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5515576
Mfg#:
079121115BL
Ships in 4 Business Days
$142.99

This product was last offered at the strikethrough price on
09-10-2026

$135.99 USD
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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