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Your Vehicle 1978 Mercedes Benz 300SD Base Sedan 116.120 L5 3.0L

1978 Mercedes Benz 300SD Base Sedan 116.120 L5 3.0L Engine Parts & Accessories

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ES#12155 - 1020180380 - Oil Cap Gasket - Ensure a proper seal between the oil cap and valve cover - Victor Reinz - Volkswagen Mercedes Benz

Ensure a proper seal between the oil cap and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
12155
Mfg#:
1020180380
Ships in 1-2 days
$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#3676622 - 0014776401 - In-Line Fuel Filter - Priced Each - With 90 degree elbow - Hengst - Mercedes Benz
ECS Tuning recommends this product.

With 90 degree elbow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676622
Mfg#:
0014776401
Ships on Jul 7, 2026
$2.34 USD
Free Shipping
on orders $49 and up
ES#2708852 - 1168000378 - Vacuum Check Valve - Common source of emission related issues - URO - Audi Volkswagen Mercedes Benz

Common source of emission related issues 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#:
2708852
Mfg#:
1168000378
Ships in 1 Business Day
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 1 Business Day
$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 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2533482 - 1162400418 - 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#:
2533482
Mfg#:
1162400418
Ships in 1 Business Day
$14.99 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#2777074 - 6031870580 - Turbo Oil Drain Gasket - Priced Each - Seals lower oil line to turbo - Victor Reinz - Mercedes Benz

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2777074
Mfg#:
6031870580
Ships in 1-2 days
$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#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!

Brand:
URO - Corporate Logo
ES#:
2533602
Mfg#:
0015420219
Ships in 1 Business Day
$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 1 Business Day
$12.99 USD
ES#2777121 - 6170500067 - Valve Stem Seal Kit - Complete kit for replacing all valve stem seals - Victor Reinz - Mercedes Benz

Complete kit for replacing all valve stem seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2777121
Mfg#:
6170500067
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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#1818730 - 6219910167 - Camshaft Woodruff Key - Repair Size - Shifted By 4 - Genuine Mercedes Benz - Mercedes Benz

Repair Size - Shifted By 4° affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1818730
Mfg#:
6219910167
Ships in 4 Business Days
$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2816067 - 6179880111 - Air Filter Housing Mount - Priced Each - Air filter housing to support - Hamburg Tech - Mercedes Benz

Air filter housing to support affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Three (3) Required

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816067
Mfg#:
6179880111
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3137851 - 0049975348 - Oil Line O-Ring - Located at top of turbo oil return pipe - Victor Reinz - Mercedes Benz

Located at top of turbo oil return pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3137851
Mfg#:
0049975348
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#2524075 - 0014777901 - In-Line Fuel Filter - Priced Each - Does not have OE style brass inserts - MTC - Mercedes Benz

Does not have OE style brass inserts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2524075
Mfg#:
0014777901
Ships in 6 Business Days
$1.99 USD
Free Shipping
on orders $49 and up

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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