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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Thermostat Housings

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Thermostat Housing (Aluminum)

ES#3659371 - 078121121J - Thermostat Housing (Aluminum) - Aluminum design - Located on the front right of the engine block - URO - Audi Volkswagen

Aluminum design - Located on the front right of the engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3659371
Mfg#:
078121121J
Ships in 2 Business Days
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3659374 - 07812112jKT4 - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat and housing - Assembled By ECS - Audi

Keep your cooling system efficient with a new thermostat and housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659374
Mfg#:
07812112JKT4
Ships in 3 Business Days
ON SALE!
$185.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
In Stock
10% off MSRP

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

$7.80

This product was last offered at the strikethrough price on
08-09-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$3.99

This product was last offered at the strikethrough price on
03-15-2026

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

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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