Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
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
Change Clear

1991 Mercedes Benz 350SD Base Sedan 126.134 L6 3.4L Engine Parts & Accessories

Sort By
Filter By
Return to Top

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

Accessory Belt Tensioner Pulley

Complete pulley and bearing assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2608519
Mfg#:
6012000970
In Stock at Vendor
$17.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#2533485 - 1242400618 - Transmission Mount - Priced Each - Secures the transmission to the transmission cross member - URO - Mercedes Benz

Secures the transmission to the transmission cross member 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#:
2533485
Mfg#:
1242400618
Ships in 1 Business Day
$16.99 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

Transmission Mount - Priced Each

ES#2594816 - 1242400618 - Transmission Mount - Priced Each - Secures the transmission to the transmission cross member - Meyle - Mercedes Benz

Secures the transmission to the transmission cross member 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:
Meyle - Corporate Logo
ES#:
2594816
Mfg#:
1242400618
Ships on Oct 29, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 80�C

ES#2597557 - 6022000015 - Thermostat Kit - 80C - Includes New O-Ring - Mahle-Behr - Mercedes Benz

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
2597557
Mfg#:
6022000015
Special Order: No Guaranteed ETA
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#2587141 - 6011800109 - Oil Filter - Priced Each - Includes all needed o-rings for installation - Bosch - Mercedes Benz

Includes all needed o-rings for installation 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:
Bosch - Corporate Logo
ES#:
2587141
Mfg#:
6011800109
Back Ordered
$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

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

Water Pump O-Ring - Priced Each

ES#1621672 - 0129975148 - Water Pump O-Ring - Priced Each - Water Pump To Line, And Line To Back Of Cylinder Head - Genuine Mercedes Benz - Mercedes Benz

Water Pump To Line, And Line To Back Of Cylinder Head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1621672
Mfg#:
0129975148
Ships in 3 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket

ES#2777684 - 6031410880 - Intake Manifold Gasket - Intake manifold to cylinder head - Elring - Mercedes Benz

Intake manifold to 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:
Elring - Corporate Logo
ES#:
2777684
Mfg#:
6031410880
Ships in 1-2 days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Lever - Upper

ES#1816001 - 6012001273 - Accessory Belt Tensioner Lever - Upper - Attachment point for tension spring and damper - Genuine Mercedes Benz - Mercedes Benz

Attachment point for tension spring and damper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1816001
Mfg#:
6012001273
Ships in 3 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
01-03-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Kit - 80�C

ES#2524716 - 6022000015 - Thermostat Kit - 80C - Includes New O-Ring - MTC - Mercedes Benz

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

Brand:
MTC - Corporate Logo
ES#:
2524716
Mfg#:
6022000015
Ships in 9 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Housing Gasket

ES#2776825 - 6062010180 - Water Pump Housing Gasket - Seals the gap between the water pump housing and the cylinder crankcase - Victor Reinz - Mercedes Benz

Seals the gap between the water pump housing and the cylinder crankcase affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2776825
Mfg#:
6062010180
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Filler Neck Seal

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 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Drain Gasket - Priced Each

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

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.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings