Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle 1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L
Your Vehicle 1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L
Change Clear

1990 Mercedes Benz 300SEL Base Sedan 126.025 L6 3.0L Engine Thermostat Parts

Sort By
Filter By
Return to Top

Thermostatic Valve

ES#1667564 - 1268300484 - Thermostatic Valve - Controls coolant flow to the heat exchanger below the windshield - Genuine Mercedes Benz - Mercedes Benz

Controls coolant flow to the heat exchanger below the windshield

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1667564
Mfg#:
1268300484
Ships in 3 Business Days
9% off MSRP

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

$170.00

This product was last offered at the strikethrough price on
07-18-2026

$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87�C

ES#2602805 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - Mahle-Behr - Mercedes Benz

Includes New O-Ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
2602805
Mfg#:
1102000515
Ships in 1-2 days
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87�C

ES#1633296 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - Genuine Mercedes Benz - Mercedes Benz

Includes New O-Ring

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1633296
Mfg#:
1102000515
Ships in 3 Business Days
27% off MSRP

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

$52.00

This product was last offered at the strikethrough price on
07-18-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87�C

ES#4883505 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - Rein - Mercedes Benz

Includes New O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883505
Mfg#:
1102000515
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#4684565 - 0159972348 - Thermostat O-Ring - Must be replaced when you replace the thermostat - Vemo - Mercedes Benz

Must be replaced when you replace the thermostat

Brand:
Vemo - Corporate Logo
ES#:
4684565
Mfg#:
0159972348
In Stock
Limited Qty Sale
$3.99

This product was last offered at the strikethrough price on
04-21-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2524118 - 0159972348 - Thermostat O-Ring - Must be replaced when you replace the thermostat - MTC - Mercedes Benz

Must be replaced when you replace the thermostat

Brand:
MTC - Corporate Logo
ES#:
2524118
Mfg#:
0159972348
Ships in 9 Business Days
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Thermostat

ES#4684535 - 1022000915 - Engine Coolant Thermostat - Keeps the engine running cool, Includes new seal - Vemo - Mercedes Benz

Keeps the engine running cool, Includes new seal

Brand:
Vemo - Corporate Logo
ES#:
4684535
Mfg#:
1022000915
In Stock at Vendor
$18.99

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

$17.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Must be replaced when you replace the thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802458
Mfg#:
159972348
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87C

ES#2873579 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - Febi - Mercedes Benz

Includes New O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873579
Mfg#:
1102000515
Special Order: No Guaranteed ETA
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

o-ring

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874094
Mfg#:
159972348
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87�C

ES#2524175 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - MTC - Mercedes Benz

Includes New O-Ring

Brand:
MTC - Corporate Logo
ES#:
2524175
Mfg#:
1102000515
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 87�C

ES#2602808 - 1102000515 - Thermostat Kit - 87C - Includes New O-Ring - Meyle - Mercedes Benz

Includes New O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2602808
Mfg#:
1102000515
Special Order: No Guaranteed ETA
$13.99 USD
Free Shipping
on orders $49 and up
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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings