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1985 Mercedes Benz 300D Base Sedan 123.133 L5 3.0L

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Your Vehicle 1985 Mercedes Benz 300D Base Sedan 123.133 L5 3.0L
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1985 Mercedes Benz 300D Base Sedan 123.133 L5 3.0L Engine Cooling Parts

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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 25, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - Priced Each

ES#2608713 - 000443034002 - Freeze Plug - Priced Each - 34mm - Febi - Mercedes Benz

34mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
On Side Of Engine Block

Brand:
Febi - Corporate Logo
ES#:
2608713
Mfg#:
000443034002
In Stock
ON SALE! SAVE 88%
$7.99

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

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Overflow Hose

ES#4849845 - 0219977682 - Radiator Overflow Hose - One (1) Meter - URO - Mercedes Benz

One (1) Meter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4849845
Mfg#:
0219977682
In Stock at Vendor
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2801776 - 1245000406 - Expansion Tank Cap - Includes new seal - Rein - Mercedes Benz

Includes new seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801776
Mfg#:
1245000406
Ships in 3 Business Days
$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Overflow Hose

ES#2602238 - 0219977682 - Radiator Overflow Hose - One (1) Meter - Original Equipment Supplier - Mercedes Benz

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

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2602238
Mfg#:
0219977682
Ships in 1 day
$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Overflow Hose

ES#1622969 - 0219977682 - Radiator Overflow Hose - One (1) Meter - Genuine Mercedes Benz - Mercedes Benz

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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1622969
Mfg#:
0219977682
In Stock
$7.99 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
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

O-RING 14.5 X 3 BLACK VITON

ES#2801403 - 129970348 - O-RING 14.5 X 3 BLACK VITON - Rein - Mercedes Benz

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801403
Mfg#:
129970348
Back Ordered
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

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

Brand:
Victor Reinz - Corporate Logo
ES#:
8039
Mfg#:
6162010080
Ships in 1 day
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#1621651 - 0129970348 - O-Ring - Priced Each - Coolant level sensor to expansion tank - Genuine Mercedes Benz - Mercedes Benz

Coolant level sensor to expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1621651
Mfg#:
0129970348
Ships in 3 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#1818019 - 6162010080 - Water Pump Gasket - Water Pump To Housing - Genuine Mercedes Benz - Mercedes Benz

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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818019
Mfg#:
6162010080
Back Ordered
$2.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Expansion Tank Plug Kit

ES#4642719 - 1265000084 - Expansion Tank Plug Kit - Includes Plastic Plug, O-ring & Snap Ring - URO - Mercedes Benz

Includes Plastic Plug, O-ring & Snap Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4642719
Mfg#:
1265000084
Ships in 1 Business Day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2533416 - 1102001720 - Water Pump - Brand New Unit - No Core Charge - URO - Mercedes Benz

Brand New Unit - No Core Charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2533416
Mfg#:
1102001720
Ships in 1 Business Day
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2762985 - 1265001549 - Coolant Expansion Tank - Coolant level sensor and cap not included - Meyle - Mercedes Benz

Coolant level sensor and cap not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2762985
Mfg#:
1265001549
Ships in 1 day
$35.99 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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