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1977 Mercedes Benz 300D Base Sedan 123.130 L5 3.0L

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Your Vehicle 1977 Mercedes Benz 300D Base Sedan 123.130 L5 3.0L
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1977 Mercedes Benz 300D Base Sedan 123.130 L5 3.0L Engine Cooling Parts

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Radiator Hose

ES#2533668 - 1235010082 - 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!
From Chassis: 133346 - Due To Multiple Chassis Splits, Please Confirm Fitment Before Ordering

Brand:
URO - Corporate Logo
ES#:
2533668
Mfg#:
1235010082
In Stock at Vendor
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2533938 - 1245000406 - Expansion Tank Cap - Includes new seal - URO - Mercedes Benz

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

Brand:
URO - Corporate Logo
ES#:
2533938
Mfg#:
1245000406
Ships in 2 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - Priced Each

ES#2533602 - 0015420219 - Relay - Priced Each - Five (5) Pin Multi-Purpose Relay - URO - Mercedes Benz

Five (5) Pin Multi-Purpose Relay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Auxiliary Cooling Fan Relay

Brand:
URO - Corporate Logo
ES#:
2533602
Mfg#:
0015420219
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#2533670 - 1235011882 - Radiator Hose - Lower Hose - URO - Mercedes Benz

Lower Hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From Chassis: 133346 - Due To Multiple Chassis Splits, Please Confirm Fitment Before Ordering

Brand:
URO - Corporate Logo
ES#:
2533670
Mfg#:
1235011882
Ships in 2 Business Days
$9.99 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

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Aug 12, 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 2X Entries For Our 25th Anniversary Sweepstakes!
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#2602238 - 0219977682 - Radiator Overflow Hose - One (1) Meter - Original Equipment Supplier - Mercedes Benz

One (1) Meter

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2602238
Mfg#:
0219977682
Ships in 1-2 days
$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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1622969
Mfg#:
0219977682
In Stock
ON SALE! SAVE 13%
$7.99

This product was last offered at the strikethrough price on
06-25-2026

$6.97 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4849845
Mfg#:
0219977682
Ships in 2 Business Days
$8.99

This product was last offered at the strikethrough price on
07-13-2026

$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

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 10 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. 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 4 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4642719
Mfg#:
1265000084
Ships in 2 Business Days
$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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2533416
Mfg#:
1102001720
Ships in 2 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
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 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cap

ES#2747958 - 1235010215 - Radiator Cap - Used to maintain proper pressure and boiling point of your cooling system - Ruville - Mercedes Benz

Used to maintain proper pressure and boiling point of your cooling system

Brand:
Ruville - Corporate Logo
ES#:
2747958
Mfg#:
1235010215
Ships in 1-2 days
$7.99 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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