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1978 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L

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

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Magnetic Engine Oil Drain Plug M12x1.5

ES#2764976 - MM0DP1215B - Magnetic Engine Oil Drain Plug M12x1.5 - Capture harmful particles to prevent wear - Mishimoto - Mercedes Benz MINI

Capture harmful particles to prevent wear

Brand:
Mishimoto - Corporate Logo
ES#:
2764976
Mfg#:
MM0DP1215B
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Controlled Fuel Shut Off Valve

Stops the flow of fuel to the injection pump when you shut your vehicle off 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2561471
Mfg#:
0000702053
Back Ordered
$217.99

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

$211.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Changeover Valve

ES#1612554 - 0015408697 - Changeover Valve - Secondary Air Injection Solenoid - Vapor Canister Purge Solenoid. Used in various locations on your Mercedes-Benz. - Genuine Mercedes Benz - Mercedes Benz

Secondary Air Injection Solenoid - Vapor Canister Purge Solenoid. Used in various locations on your Mercedes-Benz.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1612554
Mfg#:
0015408697
Ships in 4 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.

$218.00

This product was last offered at the strikethrough price on
07-30-2026

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Diesel System Cleaner - 500ml / 16.9oz

ES#3999018 - 20252 - Complete Diesel System Cleaner - 500ml / 16.9oz - Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999018
Mfg#:
20252
In Stock at Vendor
15% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
07-30-2026

$20.31 USD
Free Shipping
on orders $49 and up

Vacuum Valve

ES#2524094 - 0029975336 - Vacuum Valve - 3/2 Way Valve - MTC - Mercedes Benz

3/2 Way Valve

Brand:
MTC - Corporate Logo
ES#:
2524094
Mfg#:
0029975336
Back Ordered
Auto Notify
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount

ES#1648543 - 1232420413 - Transmission Mount - Secures the transmission to the crossmember - Genuine Mercedes Benz - Mercedes Benz

Secures the transmission to the crossmember

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1648543
Mfg#:
1232420413
Ships in 4 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.

$185.00

This product was last offered at the strikethrough price on
07-30-2026

$171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount

ES#2739929 - 1232420413 - Transmission Mount - Secures the transmission to the crossmember - Febi - Mercedes Benz

Secures the transmission to the crossmember 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2739929
Mfg#:
1232420413
In Stock
$28.12

This product was last offered at the strikethrough price on
04-18-2026

$24.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

W123 & W126 Diesel Oil Change Kit 15w-40

ES#3610441 - 0001802509KT3 - W123 & W126 Diesel Oil Change Kit 15w-40 - Everything you need to perform an engine oil service - Liqui-Moly - Mercedes Benz

Everything you need to perform an engine oil service 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3610441
Mfg#:
0001802509KT3
Ships in 1-2 days
$173.32

This product was last offered at the strikethrough price on
07-15-2026

$164.88 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Stanadyne Lubricity Fuel Additive - 16oz

ES#4609123 - 38560 - Stanadyne Lubricity Fuel Additive - 16oz - Ideal for very dry or "winter blend" fuels such as #1 diesel - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Ideal for very dry or "winter blend" fuels such as #1 diesel

Brand:
Stanadyne - Corporate Logo
ES#:
4609123
Mfg#:
38560
In Stock
Limited Qty Sale
$11.99

This product was last offered at the strikethrough price on
07-14-2026

$10.99 USD
Free Shipping
on orders $49 and up

Oil Filter Kit - Priced Each

ES#2747938 - 0001802509 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Mann - Mercedes Benz

Includes all needed o-rings for installation

Brand:
Mann - Corporate Logo
ES#:
2747938
Mfg#:
0001802509
Ships in 1-2 days
$15.48

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

$14.99 USD
Free Shipping
on orders $49 and up

Piston Ring Set - Priced Each

ES#2771382 - 0030302424 - Piston Ring Set - Priced Each - Standard Size - 90.90mm - Goetze - Mercedes Benz

Standard Size - 90.90mm One (1) Required Per Piston - From Engine 616.912 10/50 064618 Or From Engine Number 616.912 12/52 021938

Brand:
Goetze - Corporate Logo
ES#:
2771382
Mfg#:
0030302424
In Stock at Vendor
$32.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Controlled Fuel Shut Off Valve

ES#2524011 - 0000702053 - Vacuum Controlled Fuel Shut Off Valve - Stops the flow of fuel to the injection pump when you shut your vehicle off - MTC - Mercedes Benz

Stops the flow of fuel to the injection pump when you shut your vehicle off

Brand:
MTC - Corporate Logo
ES#:
2524011
Mfg#:
0000702053
Ships in 1-2 days
$73.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

W123 & W126 Diesel Oil Change Kit 15w-40

ES#3612639 - 0001802509KT4 - W123 & W126 Diesel Oil Change Kit 15w-40 - Everything you need to perform an engine oil service - Shell - Mercedes Benz

Everything you need to perform an engine oil service

Brand:
Shell - Corporate Logo
ES#:
3612639
Mfg#:
0001802509KT4
Ships in 1-2 days
$139.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cylinder Liner - Priced Each

ES#2524732 - 6160111210 - Cylinder Liner - Priced Each - Located inside of the cylinder bore - MTC - Mercedes Benz

Located inside of the cylinder bore

Brand:
MTC - Corporate Logo
ES#:
2524732
Mfg#:
6160111210
Back Ordered
Auto Notify
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug - Priced Each

ES#1616089 - 0029973430 - Oil Drain Plug - Priced Each - Does not include new sealing washer - Genuine Mercedes Benz - Mercedes Benz

Does not include new sealing washer

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1616089
Mfg#:
0029973430
In Stock
$5.98

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

$5.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Idler Pulley

ES#1641779 - 1161300460 - A/C Idler Pulley - Idler pulley for cars with air pump delete - Genuine Mercedes Benz - Mercedes Benz

Idler pulley for cars with air pump delete

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1641779
Mfg#:
1161300460
Ships in 4 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.

$122.00

This product was last offered at the strikethrough price on
07-30-2026

$113.99 USD
Free Shipping
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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