Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 1978 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L

1978 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L Engine Parts & Accessories

Sort By
Filter By
Return to Top
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 4 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
06-11-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2723942 - 007603012110 - Sealing Washer - Priced Each - 12mm diameter copper crush washer - Victor Reinz - Mercedes Benz

12mm diameter copper crush washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2723942
Mfg#:
007603012110
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2879149 - 1110180302 - Engine Oil Cap - Includes new seal - Vaico - 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:
Vaico - Corporate Logo
ES#:
2879149
Mfg#:
1110180302
In Stock at Vendor
$10.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2724096 - 1404700005 - Gas Cap  - This replacement fuel tank cap includes a new seal - Febi - Mercedes Benz

This replacement fuel tank cap includes a new seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2724096
Mfg#:
1404700005
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filters the air before it enters your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
2747929
Mfg#:
0010949504
In Stock at Vendor
$22.43

This product was last offered at the strikethrough price on
04-09-2026

$21.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813659 - 1232415013 - Engine Mount - Priced Each - Left (Driver) Side - Hamburg Tech - Mercedes Benz

Left (Driver) Side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From Chassis Number 207385

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813659
Mfg#:
1232415013
In Stock
Limited Qty Sale
$23.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2876708 - 908850 - Diesel Primer Pump - Can be used for models with either a 16 or 22 mm receptacle on the fuel pump. - Febi - Mercedes Benz

Can be used for models with either a 16 or 22 mm receptacle on the fuel pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876708
Mfg#:
908850
In Stock at Vendor
$23.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2747937 - 0001802509 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Mahle - Mercedes Benz

Includes all needed o-rings for installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
2747937
Mfg#:
0001802509
In Stock at Vendor
$23.99

This product was last offered at the strikethrough price on
04-09-2026

$20.99 USD
Free Shipping
on orders $49 and up
ES#1648541 - 1232420272 - Nut - Priced Each - Secures Transmission Mount To Crossmember - Genuine Mercedes Benz - Mercedes Benz

Secures Transmission Mount To Crossmember affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
One (1) Required

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1648541
Mfg#:
1232420272
Ships in 4 Business Days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-02-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1817625 - 6150160080 - Valve Cover Gasket - Located between the cylinder head and the valve cover - Genuine Mercedes Benz - Mercedes Benz

Located between the cylinder head and the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1817625
Mfg#:
6150160080
Ships in 4 Business Days
9% off MSRP

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

$22.99

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

$20.99 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.

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