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Mercedes Benz Cooling System Service & Maintenance Parts

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Water Pump / Thermostat 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#:
5388715
Mfg#:
1572000201KT1
Ships in 3 Business Days
$1031.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Complete Radiator Replacement Kit - R231 SL63 AMG

Refresh your V8 BiTurbo cooling system the right way. This comprehensive kit replaces the radiator, hoses, and expansion tank in one service, restoring factory cooling and eliminating leaks. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481788
Mfg#:
1975000003KT9
Ships in 3 Business Days
$1588.99

This product was last offered at the strikethrough price on
07-15-2026

$1536.99 USD
This product is lifetime replacement eligible Partial Replacement

Complete Radiator Replacement Kit - R172 SLK350

Comprehensive kit includes the radiator, all critical cooling hoses, expansion tank, and the correct Pink G40 coolant for your late production SLK350. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481541
Mfg#:
0995006203KT3
Ships in 3 Business Days
$778.99

This product was last offered at the strikethrough price on
07-15-2026

$750.99 USD
This product is lifetime replacement eligible Partial Replacement

Complete Radiator Replacement Kit - R231 SL63 AMG

Refresh your V8 BiTurbo cooling system the right way. This comprehensive kit replaces the radiator, hoses, and expansion tank in one service, restoring factory cooling and eliminating leaks. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481786
Mfg#:
1975000003KT8
Ships in 3 Business Days
$1577.99

This product was last offered at the strikethrough price on
07-15-2026

$1525.99 USD
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank Kit

Keep your cooling system leak free! Includes a new expansion tank, pressure cap, coolant bleed line, and 1-gallon of pink coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5504983
Mfg#:
2465000049KT1
Ships in 1 Business Day
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat with Housing

Includes new gasket and sensor We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560110
Mfg#:
2712000315
Ships in 1 Business Day
ON SALE! SAVE 10%
$80.99

This product was last offered at the strikethrough price on
09-03-2026

$72.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

Keep your cooling system leak free! Includes a new expansion tank, pressure cap, coolant bleed line, and 1-gallon of pink coolant. 5X Entries Into Our F80 M3 Sweepstakes

Brand:
Meyle - Corporate Logo
ES#:
5504995
Mfg#:
2465000049KT2
Ships in 1 Business Day
$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2770398 - 1112001715KT1 - Thermostat Replacement Kit - Replace your thermostat with one kit! - Assembled By ECS - Mercedes Benz

Replace your thermostat with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770398
Mfg#:
1112001715KT1
Ships in 1-2 days
$72.99

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

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit - Level 1

ES#2762924 - 2712030575KT4 - Thermostat Replacement Kit - Level 1 - Replace your thermostat with one kit! - Assembled By ECS - Mercedes Benz

Replace your thermostat with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762924
Mfg#:
2712030575KT4
Ships in 1-2 days
ON SALE! SAVE 34%
$72.99

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

$48.07 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Kit - 80�C

ES#240975 - 1162000315 - Thermostat Kit - 80C - Includes new gasket - Wahler - Mercedes Benz

Includes new gasket

Brand:
Wahler - Corporate Logo
ES#:
240975
Mfg#:
1162000315
Ships in 1-2 days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Thermostat

85°C - Includes New O-Ring

Brand:
Wahler - Corporate Logo
ES#:
2770941
Mfg#:
6012000015
Ships in 1-2 days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2763044 - 2712000401KT3 - Cooling System Refresh Kit - Level 1 - An entry level cooling system refresh kit, does not include expansion tank - with aftermarket and OEM components - Assembled By ECS - Mercedes Benz

An entry level cooling system refresh kit, does not include expansion tank - with aftermarket and OEM components 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763044
Mfg#:
2712000401KT3
Ships in 3 Business Days
$472.99

This product was last offered at the strikethrough price on
09-05-2026

$464.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose Replacement Kit

ES#2777439 - 2035015582KT1 - Radiator Hose Replacement Kit - Includes Upper And Lower Radiator Hose, Breather Pipe, Coolant And Drain Plug - Assembled By ECS - Mercedes Benz

Includes Upper And Lower Radiator Hose, Breather Pipe, Coolant And Drain Plug 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777439
Mfg#:
2035015582KT1
Ships in 3 Business Days
$263.99

This product was last offered at the strikethrough price on
09-05-2026

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2771546 - 1102000515KT3 - Thermostat Replacement Kit - Replace your thermostat with one kit! - Assembled By ECS - Mercedes Benz

Replace your thermostat with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2771546
Mfg#:
1102000515KT3
Ships in 3 Business Days
$100.99

This product was last offered at the strikethrough price on
04-15-2026

$78.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit - Level 2

ES#2762921 - 2712030575KT3 - Thermostat Replacement Kit - Level 2 - Replace your thermostat, temp sensor, and housing with one kit! - Assembled By ECS - Mercedes Benz

Replace your thermostat, temp sensor, and housing with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762921
Mfg#:
2712030575KT3
Ships in 3 Business Days
ON SALE! SAVE 19%
$138.99

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

$112.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2765814 - 1112000915KT1 - Thermostat Replacement Kit - Replace your thermostat with one kit! - Assembled By ECS - Mercedes Benz

Replace your thermostat with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765814
Mfg#:
1112000915KT1
Ships in 3 Business Days
ON SALE! SAVE 13%
$70.99

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

$61.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

Let us help you find the parts that fit your Mercedes Benz

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

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