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1973 Mercedes Benz 450SL Base V8 4.5L

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1973 Mercedes Benz 450SL Base V8 4.5L Engine Cooling Parts

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Titan 4-Piece Air Blow Gun Set

ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mercedes Radiator Pressure Tester System Adapter

ES#3690623 - CTA7101 - Mercedes Radiator Pressure Tester System Adapter - Adapter for your radiator pressure tester,Check description for fitment. - CTA Tools - Mercedes Benz

Adapter for your radiator pressure tester,Check description for fitment. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3690623
Mfg#:
CTA7101
Ships on Jun 19, 2026
$66.47 USD
Free Shipping
on orders $49 and up

Bypass Hose - Priced Each

ES#1641975 - 1162030282 - Bypass Hose - Priced Each - Heater Return At Thermostat Housing - Genuine Mercedes Benz - Mercedes Benz

Heater Return At Thermostat Housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
90 Degree Elbow

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1641975
Mfg#:
1162030282
Ships in 3 Business Days
8% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
01-06-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#1618356 - 0055421017 - Coolant Temperature Sensor - One (1) Pole Terminal - Genuine Mercedes Benz - Mercedes Benz

One (1) Pole Terminal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1618356
Mfg#:
0055421017
Ships in 3 Business Days
6% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
01-06-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Priced Each

ES#2533664 - 1165013482 - Radiator Hose - Priced Each - Upper Hose - URO - Mercedes Benz

Upper Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2533664
Mfg#:
1165013482
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2636056 - 0055421017 - Coolant Temperature Sensor - One (1) Pole Terminal - FAE - Mercedes Benz

One (1) Pole Terminal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
2636056
Mfg#:
0055421017
Ships in 1 day
$11.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Jun 19, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bypass Hose - Priced Each

ES#2534160 - 1162030282 - Bypass Hose - Priced Each - Heater Return At Thermostat Housing - URO - Mercedes Benz

Heater Return At Thermostat Housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
90 Degree Elbow

Brand:
URO - Corporate Logo
ES#:
2534160
Mfg#:
1162030282
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2524101 - 0055421017 - Coolant Temperature Sensor - One (1) Pole Terminal - MTC - Mercedes Benz

One (1) Pole Terminal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524101
Mfg#:
0055421017
Ships in 9 Business Days
$6.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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

$2.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 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

Radiator Hose - Priced Each

ES#1642625 - 1165013482 - Radiator Hose - Priced Each - Upper Hose - Genuine Mercedes Benz - Mercedes Benz

Upper Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1642625
Mfg#:
1165013482
Ships in 3 Business Days
5% off MSRP

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

$40.00

This product was last offered at the strikethrough price on
06-03-2026

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

Cooling Fan Clutch

Clutch only - Does not include new fan blades affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524230
Mfg#:
1162000522
Ships in 9 Business Days
$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Priced Each

ES#2867396 - 1165013482 - Radiator Hose - Priced Each - Upper Hose - Febi - Mercedes Benz

Upper Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867396
Mfg#:
1165013482
Special Order: No Guaranteed ETA
$20.99 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.

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

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