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1994 Mercedes Benz S420 Base Sedan 140.043 V8 4.2L

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Your Vehicle 1994 Mercedes Benz S420 Base Sedan 140.043 V8 4.2L
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1994 Mercedes Benz S420 Base Sedan 140.043 V8 4.2L Engine Cooling Parts

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Expansion Tank Cap

ES#2873927 - 1245000406 - Expansion Tank Cap - Includes new seal - Febi - Mercedes Benz

Includes new seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up To Chassis: A 334377

Brand:
Febi - Corporate Logo
ES#:
2873927
Mfg#:
1245000406
Ships on Aug 21, 2026
$7.29

This product was last offered at the strikethrough price on
05-29-2026

$6.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3988414 - 0055421017 - Coolant Temperature Sensor - One (1) Pole Terminal - URO - Mercedes Benz

One (1) Pole Terminal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3988414
Mfg#:
0055421017
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

Don't let a failed radiator drain plug cause a coolant leak

Brand:
Behr - Corporate Logo
ES#:
2862535
Mfg#:
0005000185
In Stock at Vendor
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug Seal - Priced Each

ES#1604441 - 0005010176 - Radiator Drain Plug Seal - Priced Each - Don't let a failed radiator drain plug seal cause a coolant leak - Genuine Mercedes Benz - Mercedes Benz

Don't let a failed radiator drain plug seal cause a coolant leak

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1604441
Mfg#:
0005010176
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Block Drain Plug

ES#1637210 - 1129900901 - Engine Block Drain Plug - Ensures proper function of engine cooling system. - Genuine Mercedes Benz - Mercedes Benz

Ensures proper function of engine cooling system.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1637210
Mfg#:
1129900901
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bypass Hose - Priced Each

ES#2534164 - 1192030382 - Bypass Hose - Priced Each - Water pump to intake manifold - URO - Mercedes Benz

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

Brand:
URO - Corporate Logo
ES#:
2534164
Mfg#:
1192030382
Ships in 1 Business Day
$2.99 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

Radiator Drain Plug

ES#2524043 - 0005000185 - Radiator Drain Plug - Don't let a failed radiator drain plug cause a coolant leak - MTC - Mercedes Benz

Don't let a failed radiator drain plug cause a coolant leak

Brand:
MTC - Corporate Logo
ES#:
2524043
Mfg#:
0005000185
Ships in 9 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core O-Ring Kit

ES#2618854 - 0008357998 - Heater Core O-Ring Kit - Includes all o-rings needed for install - ACM - Mercedes Benz

Includes all o-rings needed for install

Brand:
ACM - Corporate Logo
ES#:
2618854
Mfg#:
0008357998
In Stock
ON SALE! SAVE 52%
$3.99

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

$1.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#4328962 - 2105010615 - Expansion Tank Cap - Should be replaced periodically to maintain proper cooling system operation - Meyle - Mercedes Benz

Should be replaced periodically to maintain proper cooling system operation 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328962
Mfg#:
2105010615
In Stock
$17.99

This product was last offered at the strikethrough price on
03-01-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries For Our 25th Anniversary Sweepstakes!
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Engine Block Drain Plug

ES#5341149 - 1129900901 - Engine Block Drain Plug - Ensures proper function of engine cooling system. - Rein - Mercedes Benz

Ensures proper function of engine cooling system. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341149
Mfg#:
1129900901
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2763096 - 1295450224 - Coolant Level Sensor - Located on expansion tank - URO - Mercedes Benz

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

Brand:
URO - Corporate Logo
ES#:
2763096
Mfg#:
1295450224
Ships in 1 Business Day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2533943 - 1405001749 - Coolant Expansion Tank - Coolant level sensor and cap not included - URO - Mercedes Benz

Coolant level sensor and cap not included 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From Chassis: A 334378

Brand:
URO - Corporate Logo
ES#:
2533943
Mfg#:
1405001749
Ships in 1 Business Day
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4642724 - 1192000015 - Thermostat Assembly - Engine Coolant Thermostat - Includes O-Ring - URO - Mercedes Benz

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

Brand:
URO - Corporate Logo
ES#:
4642724
Mfg#:
1192000015
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#2533699 - 1405000875 - Radiator Hose - Upper Hose - URO - Mercedes Benz

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

Brand:
URO - Corporate Logo
ES#:
2533699
Mfg#:
1405000875
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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

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