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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

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ES#5341115 - 0029973430 - Magnetic Oil Drain Plug - Priced Each - Includes New Sealing Washer - Rein - Mercedes Benz

Includes New Sealing Washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5341115
Mfg#:
0029973430
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
ES#2533938 - 1245000406 - Expansion Tank Cap - Includes new seal - URO - 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:
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
ES#2533747 - 1110180302 -   Engine Oil Cap - Includes new seal - URO - 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:
URO - Corporate Logo
ES#:
2533747
Mfg#:
1110180302
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2533668 - 1235010082 - Radiator Hose - Upper Hose - URO - Mercedes Benz

Upper Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From Chassis: 110871 - Due To Multiple Chassis Splits, Please Confirm Fitment Before Ordering

Brand:
URO - Corporate Logo
ES#:
2533668
Mfg#:
1235010082
In Stock at Vendor
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1620361 - 0089976482 - W123 Diesel Cigar Hose - 7 x 14.5 x 265mm - From fuel return fitting near fuel filter to fuel return line - Genuine Mercedes Benz - 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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1620361
Mfg#:
0089976482
Ships in 4 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
06-11-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1614343 - 0019971241 - Rear Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the rear crankshaft flange - Genuine Mercedes Benz - Mercedes Benz

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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1614343
Mfg#:
0019971241
Ships in 4 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
06-11-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1652707 - 1239973581 - Fuel Tank Filler Neck Seal - Seals the gap between the fuel tank filler neck and the vehicle body - Genuine Mercedes Benz - Mercedes Benz

Seals the gap between the fuel tank filler neck and the vehicle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1652707
Mfg#:
1239973581
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2697672 - 6150170060 - Prechamber Seal Ring - Priced Each - Standard Size - Victor Reinz - Mercedes Benz

Standard Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2697672
Mfg#:
6150170060
In Stock at Vendor
$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#2748760 - 0019971241 - Rear Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the rear crankshaft flange - Victor Reinz - Mercedes Benz

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2748760
Mfg#:
0019971241
In Stock at Vendor
$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

12.5x1145 - V-Belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Power Steering Belt

Brand:
Continental - Corporate Logo
ES#:
2747923
Mfg#:
0049979992
In Stock at Vendor
$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#2748758 - 0119972247 - Front Main Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Victor Reinz - 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:
Victor Reinz - Corporate Logo
ES#:
2748758
Mfg#:
0119972247
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2533602 - 0015420219 - Relay - Priced Each - Five (5) Pin Multi-Purpose Relay - URO - 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:
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

Protects your diesel engine and restores engine performance. For use when ambient temperatures are above 40°F. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Stanadyne - Corporate Logo
ES#:
4609127
Mfg#:
43570
Ships in 2 Business Days
$12.99 USD
ES#1818731 - 6219910267 - Camshaft Woodruff Key - Repair Size - Shifted By 3 - Genuine Mercedes Benz - Mercedes Benz

Repair Size - Shifted By 3� affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818731
Mfg#:
6219910267
Ships in 4 Business Days
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2533484 - 1232420413 - Transmission Mount - Secures the transmission to the crossmember - URO - Mercedes Benz

Secures the transmission to the crossmember 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#:
2533484
Mfg#:
1232420413
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748836 - 6161840780 - Engine Oil Filter Housing Gasket - Seals oil filter housing to crankcase - Victor Reinz - Mercedes Benz

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2748836
Mfg#:
6161840780
In Stock at Vendor
$4.07 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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