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Audi S4 Cooling System Thermostat Kits

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3.0T Billet Aluminum Thermostat - 80°C

ES#4876046 - 053120LA02 - 3.0T Billet Aluminum Thermostat - 80C - Ditch your failure-prone OE plastic thermostat with a high-performance, billet aluminum alternative! - ECS - Audi Volkswagen

Ditch your failure-prone OE plastic thermostat with a high-performance, billet aluminum alternative! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
4876046
Mfg#:
053120LA02
Ships in 9 Business Days
ON SALE! SAVE 15%
$405.99

This product was last offered at the strikethrough price on
06-13-2026

$345.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0T Billet Aluminum Thermostat - 70°C

ES#4876047 - 053120LA03 - 3.0T Billet Aluminum Thermostat - 70C - Ditch your failure-prone OE plastic thermostat with a high-performance, billet aluminum alternative! - ECS - Audi Volkswagen

Ditch your failure-prone OE plastic thermostat with a high-performance, billet aluminum alternative! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
4876047
Mfg#:
053120LA03
Ships in 9 Business Days
ON SALE! SAVE 15%
$405.99

This product was last offered at the strikethrough price on
06-13-2026

$345.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2763706 - 06E121111ALKT5 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763706
Mfg#:
06E121111ALKT5
In Stock
$163.99

This product was last offered at the strikethrough price on
06-18-2026

$156.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#4500723 - 079121111J2KT - Thermostat Replacement Kit - Maintain optimum operating engine temperature with a new thermostat replacement kit - Assembled By ECS - Audi

Maintain optimum operating engine temperature with a new thermostat replacement kit 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4500723
Mfg#:
079121111J2KT
Ships in 2 Business Days
$512.99

This product was last offered at the strikethrough price on
10-05-2026

$511.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3651498 - 06e121111alktKT4 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
3651498
Mfg#:
06E121111ALKTKT4
In Stock
ON SALE! SAVE 15%
$82.99

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

$70.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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