Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 1978 Mercedes Benz 300CD Base Coupe 123.150 L5 3.0L

1978 Mercedes Benz 300CD Base Coupe 123.150 L5 3.0L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Does Not Include New Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Due To Multiple VIN Splits, Please Confirm Fitment Before Ordering

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818523
Mfg#:
6172050610
Ships in 3 Business Days
7% off MSRP

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

$194.00

This product was last offered at the strikethrough price on
06-19-2026

$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
MTC - Corporate Logo
ES#:
2524174
Mfg#:
1102000323
Ships in 9 Business Days
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seals lower oil pan to upper oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524733
Mfg#:
6160140122
Ships in 9 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secures the engine to the subframe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits Left Or Right Side

Brand:
MTC - Corporate Logo
ES#:
2524267
Mfg#:
1232411613
Ships in 9 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seals the gap between the timing chain tensioner and the timing case affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524749
Mfg#:
6170520280
Ships in 9 Business Days
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seals oil filter housing to crankcase affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524742
Mfg#:
6161840780
Ships in 9 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748150 - 000912012107KT2 - Cylinder Head Bolt Set - Includes All Head Bolts Necessary For Cylinder Head Replacement - Assembled By ECS - Mercedes Benz

Includes All Head Bolts Necessary For Cylinder Head Replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up To Engine: 067785

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748150
Mfg#:
000912012107KT2
Ships on Jul 8, 2026
ON SALE!
$257.99

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

$252.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748147 - 6159900212KT3 - Cylinder Head Bolt Set - Includes All Head Bolts Necessary For Cylinder Head Replacement - Assembled By ECS - Mercedes Benz

Includes All Head Bolts Necessary For Cylinder Head Replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From Engine: 067786

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748147
Mfg#:
6159900212KT3
Ships on Jul 8, 2026
ON SALE!
$231.99

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

$226.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1817665 - 6150380072 - Connecting Rod Nut - Priced Each - Two (2) required per connecting rod - Genuine Mercedes Benz - Mercedes Benz

Two (2) required per connecting rod affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Ten (10) Required Per Vehicle

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1817665
Mfg#:
6150380072
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748095 - 000912012107KT - Cylinder Head Bolt Set - Includes All Head Bolts Necessary For Cylinder Head Replacement - Genuine Mercedes Benz - Mercedes Benz

Includes All Head Bolts Necessary For Cylinder Head Replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up To Engine: 067785

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2748095
Mfg#:
000912012107KT
Ships on Jul 8, 2026
$351.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Includes All Head Bolts Necessary For Cylinder Head Replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From Engine: 067786

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2748085
Mfg#:
6159900212KT2
Ships on Jul 8, 2026
$508.99

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

$487.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2876113 - 6170160820 - Cylinder Head Gasket - Located between the cylinder head and the block of your engine - Febi - Mercedes Benz

Located between the cylinder head and the block of your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876113
Mfg#:
6170160820
Special Order: No Guaranteed ETA
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2865167 - 0010949504 - Engine Air Filter - Priced Each - Filters the air before it enters your engine - Febi - Mercedes Benz

Filters the air before it enters your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865167
Mfg#:
0010949504
Special Order: No Guaranteed ETA
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2871920 - 6170160180 - Valve Cover Gasket - Seals the gap between the cylinder head and the valve cover - Febi - Mercedes Benz

Seals the gap between the cylinder head and the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2871920
Mfg#:
6170160180
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873828 - 1161300460 - A/C Idler Pulley - Idler pulley for cars with air pump delete - Febi - Mercedes Benz

Idler pulley for cars with air pump delete affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873828
Mfg#:
1161300460
Special Order: No Guaranteed ETA
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2879949 - 1235010215 - radiator cap - Vaico - Mercedes Benz

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

Brand:
Vaico - Corporate Logo
ES#:
2879949
Mfg#:
1235010215
Special Order: No Guaranteed ETA
$13.99 USD
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.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings