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1981 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L

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Your Vehicle 1981 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L
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1981 Mercedes Benz 240D Base Sedan 123.123 L4 2.4L Engine Mechanical Parts

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Feeler Gauge Set

ES#4370856 - W125C - Feeler Gauge Set - Thickness Gauge (32 Blades) - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Thickness Gauge (32 Blades)

Brand:
Performance Tool - Corporate Logo
ES#:
4370856
Mfg#:
W125C
Back Ordered
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 Sealing Washer - Priced Each

ES#3970064 - 007603014106 - Oil Drain Plug Sealing Washer - Priced Each - Victor Reinz - Mercedes Benz

Brand:
Victor Reinz - Corporate Logo
ES#:
3970064
Mfg#:
007603014106
In Stock
$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

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

Oil Drain Plug Sealing Washer - 100 Pack

ES#2524112 - 007603014106 - Oil Drain Plug Sealing Washer - 100 Pack - Stock up and save! - MTC - Mercedes Benz

Stock up and save!

Brand:
MTC - Corporate Logo
ES#:
2524112
Mfg#:
007603014106
Ships in 6 Business Days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket

ES#8994 - 6150160080 - Valve Cover Gasket - Located between the cylinder head and the valve cover - Victor Reinz - Mercedes Benz

Located between the cylinder head and the valve cover

Brand:
Victor Reinz - Corporate Logo
ES#:
8994
Mfg#:
6150160080
Back Ordered
$99.99

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

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

This complete set of 18 OE-spec Elring cylinder head bolts ensures a perfect, factory-tight seal that will last for the next million miles. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5425664
Mfg#:
820.199
In Stock at Vendor
$90.99

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

$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket Set

ES#2747991 - 6160105221 - Cylinder Head Gasket Set - All necessary gaskets for cylinder head replacement - Victor Reinz - Mercedes Benz

All necessary gaskets for cylinder head replacement

Brand:
Victor Reinz - Corporate Logo
ES#:
2747991
Mfg#:
6160105221
In Stock at Vendor
$88.99

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

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug - Priced Each

ES#2562572 - 0029973430 - Oil Drain Plug - Priced Each - Does not include new sealing washer - Febi - Mercedes Benz

Does not include new sealing washer 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2562572
Mfg#:
0029973430
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
07-27-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filler Cap Seal

ES#1634416 - 1110180080 - Oil Filler Cap Seal - 47mm x 59mm x 2.5mm - If your oil cap is tough to turn off by hand, its time for a new seal. - Genuine Mercedes Benz - Mercedes Benz

47mm x 59mm x 2.5mm - If your oil cap is tough to turn off by hand, its time for a new seal.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1634416
Mfg#:
1110180080
In Stock
ON SALE! SAVE 19%
$5.99

This product was last offered at the strikethrough price on
06-25-2026

$4.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Gear

ES#2873872 - 1210520301 - Camshaft Gear - Bolted to the front of the camshaft - Febi - Mercedes Benz

Bolted to the front of the camshaft 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873872
Mfg#:
1210520301
In Stock at Vendor
$71.21

This product was last offered at the strikethrough price on
04-25-2026

$63.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#4684475 - 7603012110 - Sealing Washer - Priced Each - 12mm diameter copper crush washer - Vaico - Mercedes Benz

12mm diameter copper crush washer We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4684475
Mfg#:
7603012110
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

Exhaust Valve Guide - Priced Each

ES#2801673 - 6160530330 - Exhaust Valve Guide - Priced Each - Standard Size - Rein - Mercedes Benz

Standard Size 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801673
Mfg#:
6160530330
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Oil Cooler Hose

ES#4490388 - 6171871282 - Lower Oil Cooler Hose - From oil filter housing to oil cooler - URO - Mercedes Benz

From oil filter housing to oil cooler 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From Engine Number OM616.912 10/50 086379 Or OM616.912 12/52 027799

Brand:
URO - Corporate Logo
ES#:
4490388
Mfg#:
6171871282
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each

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

Includes New Sealing Washer 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341115
Mfg#:
0029973430
In Stock at Vendor
$15.99 USD
Free Shipping
on orders $49 and up

Engine Oil Pan - Bottom

ES#2747899 - 1150100428 - Engine Oil Pan - Bottom - Bolted to the bottom of the engine block - Febi - Mercedes Benz

Bolted to the bottom of the engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2747899
Mfg#:
1150100428
Ships on Oct 22, 2026
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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