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Your Vehicle 1978 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L

1978 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L Engine Parts & Accessories

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ES#1818511 - 6172001815 - Thermostat - 80C - Includes new o-rings - Genuine Mercedes Benz - Mercedes Benz

Includes new o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818511
Mfg#:
6172001815
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
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

Includes new o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
2862703
Mfg#:
6172001815
In Stock at Vendor
$30.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1621412 - 0119972247 - Front Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Genuine Mercedes Benz - Mercedes Benz

Prevents oil from leaking out of your crankcase at the front crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1621412
Mfg#:
0119972247
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.

$32.00

This product was last offered at the strikethrough price on
06-12-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2533962 - 1232413013 - Engine Mount - Priced Each - Secures the engine to the subframe - URO - Mercedes Benz

Secures the engine to the subframe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits Left Or Right Side

Brand:
URO - Corporate Logo
ES#:
2533962
Mfg#:
1232413013
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1818729 - 6219910067 - Camshaft Woodruff Key - Repair Size - Shifted By 5 - Genuine Mercedes Benz - Mercedes Benz

Repair Size - Shifted By 5° affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818729
Mfg#:
6219910067
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.

$16.00

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1817635 - 6150170260 - Prechamber Seal Ring - Priced Each - Repair Size II - 2.6mm - Genuine Mercedes Benz - Mercedes Benz

Repair Size II - 2.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1817635
Mfg#:
6150170260
Ships in 3 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2765782 - 1170780145 - Vacuum Hose Connector - Three-Way Connector - Meyle - Mercedes Benz

Three-Way Connector 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#:
2765782
Mfg#:
1170780145
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1818174 - 6170300062 - Thrust Bearing Set - 2.15mm - Genuine Mercedes Benz - Mercedes Benz

2.15mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818174
Mfg#:
6170300062
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.

$31.00

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2703176 - 0015420219 - Relay - Priced Each - Five (5) Pin Multi-Purpose Relay - Meyle - Mercedes Benz

Five (5) Pin Multi-Purpose Relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Auxiliary Cooling Fan Relay

Brand:
Meyle - Corporate Logo
ES#:
2703176
Mfg#:
0015420219
In Stock
$34.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Prevents oil from leaking out of your crankcase at the front crankshaft flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2748759
Mfg#:
0119972247
In Stock
$14.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2801359 - 1110180302 - Engine Oil 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#:
2801359
Mfg#:
1110180302
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4007289 - 6150704232 - Diesel Fuel Line - From feed pump to fuel filter - Cohline - Mercedes Benz

From feed pump to fuel filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Cohline - Corporate Logo
ES#:
4007289
Mfg#:
6150704232
Back Ordered
$25.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2763536 - 6170300062 - Thrust Bearing Set - 2.15mm - KS - Mercedes Benz

2.15mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KS - Corporate Logo
ES#:
2763536
Mfg#:
6170300062
Back Ordered
$24.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8439 - 6172001815 - Thermostat - 80C - Includes new o-rings - Mahle-Behr - Mercedes Benz

Includes new o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
8439
Mfg#:
6172001815
Ships in 1-2 days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2697673 - 0089976482 - W123 Diesel Cigar Hose - 7 x 14.5 x 265mm - From fuel return fitting near fuel filter to fuel return line - Continental - Mercedes Benz

7 x 14.5 x 265mm - From fuel return fitting near fuel filter to fuel return line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2697673
Mfg#:
0089976482
Back Ordered
49% off MSRP

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

$45.00

This product was last offered at the strikethrough price on
06-12-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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