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

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Stanadyne Performance All Season Fuel Additive - 16oz

ES#4609124 - 38565 - Stanadyne Performance All Season Fuel Additive - 16oz - Protects your diesel engine and restores engine performance. Includes cold weather protection. - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Protects your diesel engine and restores engine performance. Includes cold weather protection.

Brand:
Stanadyne - Corporate Logo
ES#:
4609124
Mfg#:
38565
Ships in 2 Business Days
$13.99 USD
Free Shipping
on orders $49 and up

Vacuum Pump Check Valve

ES#1618029 - 0049971872 - Vacuum Pump Check Valve - Genuine Mercedes Benz - Mercedes Benz

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1618029
Mfg#:
0049971872
Ships in 4 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.

$94.00

This product was last offered at the strikethrough price on
08-03-2026

$87.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stanadyne Diesel Injector Cleaner Fuel Additive - 16oz

ES#4609126 - 43564 - Stanadyne Diesel Injector Cleaner Fuel Additive - 16oz - Formulated to prevent and eliminate Internal Diesel Injector Deposits commonly found in Common Rail and other types of injectors - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Formulated to prevent and eliminate Internal Diesel Injector Deposits commonly found in Common Rail and other types of injectors

Brand:
Stanadyne - Corporate Logo
ES#:
4609126
Mfg#:
43564
Ships in 3 Business Days
$16.99 USD
Free Shipping
on orders $49 and up

Fuel Feed Hose

ES#1642474 - 1164701475 - Fuel Feed Hose - From in-tank filter to fuel feed line - Genuine Mercedes Benz - Mercedes Benz

From in-tank filter to fuel feed line

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1642474
Mfg#:
1164701475
Ships in 4 Business Days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
08-03-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Heat Shield - Priced Each

ES#1815742 - 6010170060 - Fuel Injector Heat Shield - Priced Each - Located at the bottom of the fuel injector where it enters the pre-chamber - Genuine Mercedes Benz - Mercedes Benz

Located at the bottom of the fuel injector where it enters the pre-chamber

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815742
Mfg#:
6010170060
Ships in 4 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#1680438 - 1404700005 - Gas Cap - This replacement fuel tank cap includes a new seal - Genuine Mercedes Benz - Mercedes Benz

This replacement fuel tank cap includes a new seal

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1680438
Mfg#:
1404700005
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.

$59.00

This product was last offered at the strikethrough price on
08-03-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shim - Priced Each

ES#1815893 - 6010780486 - Shim - Priced Each - Fuel Line To Bracket - Genuine Mercedes Benz - Mercedes Benz

Fuel Line To Bracket

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815893
Mfg#:
6010780486
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Feed Hose

ES#2597171 - 1164701475 - Fuel Feed Hose - From in-tank filter to fuel feed line - Cohline - Mercedes Benz

From in-tank filter to fuel feed line

Brand:
Cohline - Corporate Logo
ES#:
2597171
Mfg#:
1164701475
In Stock at Vendor
$25.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorvac Direct Injection Induction System Cleaner

ES#3245877 - MVC4002425 - Motorvac Direct Injection Induction System Cleaner - Great for use with the ES3245872 MotorVac cleaner tool. Used to blast carbon out of intake and valves. - MotorVac - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Great for use with the ES3245872 MotorVac cleaner tool. Used to blast carbon out of intake and valves.

Brand:
MotorVac
ES#:
3245877
Mfg#:
MVC4002425
Ships in 7 Business Days
$47.99 USD
Free Shipping
on orders $49 and up

Fuel Line Bracket - priced each

ES#1815901 - 6010782641 - Fuel Line Bracket - priced each - Protects fuel lines from engine vibrations - Genuine Mercedes Benz - Mercedes Benz

Protects fuel lines from engine vibrations Located In The Engine Compartment

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1815901
Mfg#:
6010782641
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Line Fuel Filter - Priced Each

ES#3676814 - 0014776901 - In-Line Fuel Filter - Priced Each - Does not have OE style brass inserts - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Does not have OE style brass inserts 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#:
3676814
Mfg#:
0014776901
In Stock
$4.07 USD
Free Shipping
on orders $49 and up

POR15 Absolute Coatings Fuel Tank Sealer

ES#3246046 - POR49216 - POR15 Absolute Coatings Fuel Tank Sealer - POR-15 Fuel Tank Sealer was formulated and developed in our own laboratories due to the demand for a high-tech sealer impervious to all fuels, including the new Stage II fuels which have a high alcohol content. - POR-15 - Audi BMW Volkswagen Mercedes Benz MINI Porsche

POR-15 Fuel Tank Sealer was formulated and developed in our own laboratories due to the demand for a high-tech sealer impervious to all fuels, including the new Stage II fuels which have a high alcohol content.

Brand:
POR-15 - Corporate Logo
ES#:
3246046
Mfg#:
POR49216
Ships in 7 Business Days
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Strainer

ES#1654295 - 1244700106 - Fuel Strainer - Includes new sealing o-ring - Genuine Mercedes Benz - Mercedes Benz

Includes new sealing o-ring

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1654295
Mfg#:
1244700106
Ships on Sep 11, 2026
Auto Notify
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Heat Shield - Priced Each

Located at the bottom of the fuel injector where it enters the pre-chamber

Brand:
Fischer and Plath - Corporate Logo
ES#:
2598315
Mfg#:
6010170060
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Fuel Parts

ECS Tuning has made it simple to find the perfect fuel system parts for your car. Whether you're replacing OEM fuel system parts or building a high-flow fuel system for a performance car, ECS Tuning has fuel pumps, fuel injectors, fuel filters, and more from respected names like Bosch, Siemens, and Genesis.

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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