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1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L

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Your Vehicle 1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L
Your Vehicle 1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L
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1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L Engine Mechanical Parts

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Engine Oil Cap

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

Front Crankshaft Seal

ES#2581558 - 1209970346 - Front 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#:
2581558
Mfg#:
1209970346
In Stock at Vendor
$11.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket

ES#2777710 - 6030160221 - Valve Cover Gasket - Located between the valve cover and the cylinder head - Bruss - Mercedes Benz

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

Brand:
Bruss - Corporate Logo
ES#:
2777710
Mfg#:
6030160221
Ships in 1-2 days
$21.99

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

Oil Cap Seal - 38.5x59x2.5mm

ES#2801962 - 1020180380 - Oil Cap Seal - 38.5x59x2.5mm - Gasket that seals oil cap to valve cover - Rein - Mercedes Benz

Gasket that seals oil cap to valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801962
Mfg#:
1020180380
Ships in 1 Business Day
$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Crankshaft Seal

ES#2603196 - 0179977447 - Rear Main Crankshaft Seal - Standard Size - Seals the gap between the crankshaft and engine block - Victor Reinz - Mercedes Benz

Standard Size - Seals the gap between the crankshaft and engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2603196
Mfg#:
0179977447
Ships in 1-2 days
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap Gasket

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

Front Crankshaft Seal

ES#2581559 - 1209970346 - Front Crankshaft Seal - Prevents oil from leaking out of your crankcase at the front crankshaft flange - Elring - 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581559
Mfg#:
1209970346
Ships in 1-2 days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cap

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Cylinder Head Bolt - Priced Each

ES#2608402 - 6039900110 - Cylinder Head Bolt - Priced Each - 10x80mm - Victor Reinz - Mercedes Benz

10x80mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Six (6) Required Per Engine

Brand:
Victor Reinz - Corporate Logo
ES#:
2608402
Mfg#:
6039900110
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

Oil Filler Cap Seal

ES#2593755 - 1110180080 - Oil Filler Cap Seal - 47mm x 59mm x 2.5mm - Victor Reinz - Mercedes Benz

47mm x 59mm x 2.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2593755
Mfg#:
1110180080
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

Oil Pump Chain Rail

ES#1815969 - 6011810159 - Oil Pump Chain Rail - Keeps tension on the oil pump chain - Genuine Mercedes Benz - Mercedes Benz

Keeps tension on the oil pump chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815969
Mfg#:
6011810159
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#1619433 - 007603012110 - Sealing Washer - Priced Each - 12mm diameter copper crush washer - Genuine Mercedes Benz - Mercedes Benz

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

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1619433
Mfg#:
007603012110
In Stock
ON SALE! SAVE 26%
$4.99

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

$3.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve Guide - Priced Each

ES#4044753 - 6010501024 - Exhaust Valve Guide - Priced Each - Bronze valve guide - 1st Oversize (9 x14.2x37.5mm) - Canyon Engine - Mercedes Benz

Bronze valve guide - 1st Oversize (9 x14.2x37.5mm) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Canyon Engine - Corporate Logo
ES#:
4044753
Mfg#:
6010501024
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket

ES#2876031 - 6030160221 - Valve Cover Gasket - Located between the valve cover and the cylinder head - Febi - Mercedes Benz

Located between the valve cover and the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876031
Mfg#:
6030160221
In Stock
ON SALE! SAVE 77%
$19.99

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

$4.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Stand Gasket

ES#2731979 - 6011840580 - Oil Filter Stand Gasket - Victor Reinz - Mercedes Benz

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2731979
Mfg#:
6011840580
Ships in 1-2 days
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug Sealing Washer - Priced Each

ES#3188308 - 0076030141062 - Oil Drain Plug Sealing Washer - Priced Each - Located between the oil drain plug and the oil pan - MTC - Mercedes Benz

Located between the oil drain plug and the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
3188308
Mfg#:
0076030141062
Back Ordered
$2.03 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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