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Volkswagen MK4 Cooling System Thermostat Kits

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Thermostat Replacement Kit (87°C) - Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing

ES#3138531 - 006660ECS01-01KT - Thermostat Replacement Kit (87C) - Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing - Replace aged components while upgrading, with our ECS Cast Aluminum Thermostat Housing - Assembled By ECS - Audi Volkswagen

Replace aged components while upgrading, with our ECS Cast Aluminum Thermostat Housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138531
Mfg#:
006660ECS01-01KT
In Stock
ON SALE! SAVE 23%
$112.96

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

$87.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2763366 - 075121113DKT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763366
Mfg#:
075121113DKT2
In Stock
ON SALE! SAVE 20%
$112.99

This product was last offered at the strikethrough price on
04-13-2026

$90.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2765880 - G013A8J1GKT1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765880
Mfg#:
G013A8J1GKT1
Ships on Sep 21, 2026
ON SALE!
$219.99

This product was last offered at the strikethrough price on
04-03-2026

$203.23 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2581582 - 050121113CKT2 - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Assembled By ECS - Audi Volkswagen

Everything you need to service a faulty thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581582
Mfg#:
050121113CKT2
In Stock
ON SALE! SAVE 24%
$33.99

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

$25.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2680972 - G013A8J1GKT - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Genuine Volkswagen Audi - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2680972
Mfg#:
G013A8J1GKT
Ships in 2 Business Days
$435.49

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

$433.02 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2954030 - 038121121KT - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2954030
Mfg#:
038121121KT
Ships on Sep 21, 2026
$107.99

This product was last offered at the strikethrough price on
04-07-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954031 - 038121121dkKT - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2954031
Mfg#:
038121121DKKT
Ships in 1-2 days
$127.99

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

$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2765882 - G013A8J1GKT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765882
Mfg#:
G013A8J1GKT2
Back Ordered
ON SALE!
$255.99

This product was last offered at the strikethrough price on
04-13-2026

$238.09 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2785049 - 075121113DKT4 - Thermostat Replacement Kit - Featuring a low-temperature thermostat - Assembled By ECS - Volkswagen

Featuring a low-temperature thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2785049
Mfg#:
075121113DKT4
Ships in 6 Business Days
ON SALE! SAVE 14%
$135.99

This product was last offered at the strikethrough price on
04-13-2026

$116.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2684845 - 022121113 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2684845
Mfg#:
022121113
Ships in 1 Business Day
ON SALE! SAVE 13%
$166.99

This product was last offered at the strikethrough price on
04-13-2026

$145.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2581583 - 050121113CKT1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581583
Mfg#:
050121113CKT1
Ships in 4 Business Days
$118.99

This product was last offered at the strikethrough price on
07-26-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2593883 - MK420TSTAT - Thermostat Replacement Kit - All parts and hardware needed for replacing a thermostat - Genuine Volkswagen Audi - Volkswagen

All parts and hardware needed for replacing a thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593883
Mfg#:
MK420TSTAT
Ships in 4 Business Days
$118.99

This product was last offered at the strikethrough price on
07-26-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2593884 - MK420TSTAT - Thermostat Replacement Kit - All parts and hardware needed for replacing a thermostat - Assembled By ECS - Volkswagen

All parts and hardware needed for replacing a thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593884
Mfg#:
MK420TSTAT
In Stock
ON SALE! SAVE 24%
$33.99

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

$25.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954035 - 038121121dkt3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with BEW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954035
Mfg#:
038121121DKT3
In Stock
ON SALE! SAVE 24%
$27.99

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

$21.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954033 - 038121121KT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with ALH engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954033
Mfg#:
038121121KT2
In Stock
ON SALE! SAVE 24%
$27.99

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

$21.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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