Search | W124 | Fuel Delivery

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$22.95

60x Diesel Engine Fuel Warmer Bypass Installation Kit

For removing leak prone factory fuel warmer in W201, W124, W126 and W140 chassis models 1984 to 1995

This kit will allow you to remove your old fuel warmer and completely bypass it with the parts and instructions you will receive in this kit. 

On Demand Video
$12.99

60x Diesel Engine Fuel Warmer Bypass Instructions - On Demand Video

For 1984 to 1995 OM601 OM602 and OM603 engines in W201, W124, W126 and W140 Chassis

Mercedes installed small fuel warmers on these engines using engine coolant to warm up the fuel just before it enters the injection pump. The idea is great - especially in cold climates, but in moderate and warmer climates it is probably not needed.

$22.75

Diesel Fuel Injector Return Fuel Hose AND Brake Pad Service Tool

Easy way to remove and reinstall that hard to reach small injector fuel return hose and vacuum hose - AND works on brake pads too!!!

While working on the fuel injectors of a 240D this week, Kent finally decided he had had enough. After 20 years of fighting those fuel injector return hoses he decided he just had to come up with a tool to make the job easier. 2 hours later the tool was designed and the prototype made.

On Demand Video
Mercedes Overvoltage Relay - On Demand Video
$3.99

Solving Rough Idle and Low RPM at startup on a 1986 to 1993 CIS Engine - On Demand Video

Sometimes this can be fixed for very little work and money - but other times NOT..:-)

This is a common occurrence as these gas engines with Bosch C.I.S. fuel injection age. Most of them are now at least 20 + years old. The problem goes something like this. You start the engine cold and it will hardly run. It runs rough and idles very low and will even quit a few times.

On Demand Video
$12.99

CIS Gas Fuel Injector Removal, Cleaning and Testing - On Demand Video Manual

How to know for sure how well your gas fuel injectors are performing (1976 to 1993 CIS ONLY)

If you think CIS fuel injectors can just be ignored, think again. Sure, your gas engine will continue to start and run “ok”, but you may find that it is not producing the power it once did nor the fuel mileage it once delivered.

$65.00

Late CIS V8 and Twin Cam Six Cylinder Gas Engine Fuel Injector

Fits ONLY those models listed below with CIS mechanical fuel injection

Brand new Bosch Fuel Injector as shown. This is the later style with the smaller threads. It will only fit the models listed below with CIS fuel injection. How do you know if you have CIS? If you have hard metal fuel lines going to your injectors with no wires you have CIS.

$198.95

CIS Gas Fuel Injector Spray Pattern Tester and Nozzle Cleaner

NEW VERSION 3 release.. See application notes below:

Order now and it will be available for shipping on March 14. Works on all models from 1977 to 1993 with the Bosch C.I.S Fuel Injection system - see models listed below: Now you can do it yourself on the bench with this inexpens

$179.50

Diesel Fuel Injector Balance Pressure Tester - Yes, You Can Do It Yourself!

NEW Version 3 release - Improved fluid handling design - Watch the video below for reasons behind the changes.

For all MBZ diesel engines 1950 to 1993. Designed by Kent Bergsma. These are built at Mercedessource to control quality and production demands. Each one is tested here in our shop before shipping.

$59.75

Diesel Fuel Injector Tuning Manual and Top Brass Tool Kit - Combo Special

Best tool kit to take apart and clean old fuel injectors. You might actually get them to spray well again without buying replacements

 Keeping your injectors clean and tuned is one of the best ways you can improve mileage in a diesel. Buy both Kents new manual Diesel Fuel Injector Cleaning and Testing Procedures and his Top Brass Custom Cleaning Tool Kit and save!

$166.95
Currently out of stock.

201 190D Monark Diesel Fuel Injector Nozzles w/ Heat Shields

For 5 Cylinder OM 602 Non-Turbo and Turbo Engines 1986 to 1989

Fits the following: These nozzles fit ONLY 1986 to 1989 201 Chassis 5 CYLINDER 190D 2.5 Turbo and NON-Turbo. This is the critical inside wear part of the injector that delivers the fuel spray into the cylinder. These are direct replacement nozzles for your factory Bosch Fuel Injectors.

5 cyl Nozzles With Heat Shields 176
$162.50

5 Cyl 602 2.5 Monark Diesel Fuel Injector Nozzles w/ Heat Shields

For 124 Chassis 300D 2.5 1990 to 1993 ONLY!

Fits the following: 1990-1993 300D 2.5 Turbo 5 Cylinder.  This is the critical inside wear part of the injector that delivers the fuel spray into the cylinder. These are direct replacement nozzles for your factory Bosch Fuel Injectors.

$285.00

Complete Diesel and Gas MECHANICAL Fuel Injector Pressure Testing "Combo" Kit

This will allow you to test all your mechanical Bosch fuel injectors form 1959 to 1993 with one tester

This is our complete "combo" kit if you are looking for a tester that will "do it all." It includes the complete diesel full injector tester along with the add-on kits for both MFI and CIS gasoline fuel injectors

$62.95

CIS Gas Fuel Injector Cleaning and Testing Conversion Add-On Kit

You MUST HAVE a version 3 pressure tester ( either diesel or MFI) to make this kit work on most 1977 to 1993 Bosch Mechanical ( NOT ELECTRIC) fuel injectors

We know that many of you own multiple Mercedes, including both gas and diesel models. If you own one of Kent’s fuel injector pressure testers you no doubt will want to test all your applicable mechanical fuel injectors in both types of older engines.

On Demand Video
$12.99

CIS Gas Fuel Injector Tester Setup and Operation - On Demand Video

Introduction to Version 3 of Kent's popular testing explaining the upgrades and how they are used.

In this short video, Kent will give you an overview on setting up and using Version 3 of his bench mount CIS gasoline injector pressure tester.

On Demand Video
$8.99

Version 3 Injector Pressure Tester Full Function and Setup - On Demand Video

This will show you how to get started with using your bench mount pressure tester

This video is specifically for setting up and using Kent's newest version of his diesel fuel injector bench mount tester. It does not contain any information on the actual process of cleaning or rebuilding a fuel injector.

$32.75

Diesel and Gas Fuel Injector Pressure Tester Conversion Kit: Upgrade to Version 3

Converts your old style Version 1 or Version 2 tester to a single bottle flow-through operation with exhaust vent. Will work with our older diesel, CIS and MFI gas fuel injector testers

With this kit, you can convert your older pressure tester to all the benefits of Kent's newest version 3 "pop tester." It contains everything you need and you can do it in less than 10 minutes. 2 videos are included with purchase. One explains how to perform this simple conversion.

On Demand Video
$14.99

Early Gas Engine Fuel Injector Back Flush Cleaning Instructions - On Demand Video

Video is free with purchase our DIY backlash cleaning kit - works on mechanical gas injectors from the late 50's to early 90's

This 24 minute on demand training video comes with our injector back flush cleaning kit. You can purchase this video separately, but please keep in mind you will not have any of the tools or supplies to complete this procedure yourself.

$24.75

Early Gas Engine Fuel Injector Back Flush Cleaning Kit

Works on Bosch MFI and CIS mechanical fuel injectors from the late 1950's to early 1990's. Will NOT work on electrically operated fuel injectors.

With these old gas fuel injectors, sometimes you just have to "back flush" the insides to restore them to peak performance. There is no guarantee that back flush cleaning will restore every old gasoline mechanical fuel injector. Some are just plain worn out.

$14.95

Fuel Injector Testing Fuel Containment and Fume Exhaust Bottle

Works on diesel and gas mechanical fuel injectors from the 50's to the early 90's - SAVE YOUR HEALTH!

I am putting this on sale because I think EVERYONE should have this if they are using any type of bench mount mechanical fuel injector tester. DO NOT BREATHE THE FUMES!!! This clear 16 oz.

$62.95

Best Grabbing and Clamping Hand Tool Set in The World - Kent’s Collection

3 super custom tools that you will not find anywhere else in the world. All designed by Kent Bergsma

This is a collection of SPECIAL tools Kent has put together to help you grab, twist, and pull on things in and around your Mercedes.  He makes each one of these tools right here in his shop.

$198.50
Currently out of stock.

Mercedes 6 Cylinder 603 Diesel Monark Fuel Injector Nozzles w/ Heat Shields

Only Fits the following applications - See NOTES below

Fits the following: These nozzles fit 1986 to 1993 603 Engines and 1987 (only) 124 chassis 300D and 300TD. Also fits 1994-1995 S350 ONLY. WILL NOT fit 1995 E300D! This is the critical inside wear part of the injector that delivers the fuel spray into the cylinder.

$42.50

Diesel Purge and Fuel Emergency 2 Liter Fuel Tank

Can be quickly mounted in engine compartment to get home when fuel related problems occur on the road - great for purging

This unique tank not only functions as an emergency fuel tank, but it can also serve to help troubleshoot diesel engine performance problems as well as complete a clean and efficient diesel purge.

PDF
$10.95

Diesel Injector Cleaning, Overhaul and Testing Procedures Manual By Kent Bergsma - Download

PDF download version of Kent's complete written manual on overhauling diesel fuel injectors

33 page digital PDF manual. Applies to all 110 115 116 123 126 201 124 140 diesels from 1961 to 1994. From my many years of working professionally on Mercedes diesels I have learned fuel injectors are the single most neglected maintenance item. I believe there are a number of reasons for this.

PDF
$7.95

124 Door Maintenance and Repair By Kent Bergsma - Download

Repair guide for following models: 260E 300E 300D 300TD 300TE 400E 500E 1986 - 1993

This repair guide covers all 124 sedans and wagons 260E, 300D, 300E, 300TD, 300TE, 400E and 500E 1986 to 1993. Removing a 124 chassis sedan or door panel and doing related door maintenance and repair are all fairly easy jobs for the do-it-yourselfer.

Diesel Fuel Injector Anti Leak Kit w/ Instructions
$9.75

Diesel Fuel Injector Anti Leak Kit w/ Instructions

For sealing all Diesel mechanical injectors 1961 to 1993

We receive a large number of emails from customers complaining about small fuel leaks at the fuel injector housing (coming out the threads between the two halves)and how best to seal them. To fix this high pressure leak requires taking the injector apart and "lapping" the mating surfaces.

$38.95

190E 300E 300SE 300SEL Main Fuel Filter w/ Manual

MEYLE NO LONGER AVAILABLE --- NOW SHIPPING MAHLE BRAND Comes with complete installation manual on all fuel pump components

The large capacity fuel filter is designed to remove water and particulates from your fuel before it reaches critical engine injection components. When the filter starts to become plugged you may experience power loss at speed, engine stumbling, and hard starting.

$28.50

190E 300E 300SE 300SEL Main Fuel Filter by Meyle

MEYLE NO LONGER AVAILABLE --- NOW SHIPPING MAHLE BRAND Fits most gas models from mid to late 1980s up through mid 1990s

The large capacity fuel filter is designed to remove water and particulates from your fuel before it reaches critical engine injection components. When the filter starts to become plugged you may experience power loss at speed, engine stumbling, and hard starting.

$11.50

601 602 603 Diesel Main Fuel Filter (Code 3)

201 chassis 190D, 124 chassis 300D 300TDTand 126 chassis 300SDL, 350SD and 350SDL

Fits All 201 diesel 190D, 126 (1986 to 1991 ONLY) and 124 five and six cylinder diesel 1987 to 1993.

Here are some symptoms of plugged fuel filters:

$22.95
Currently out of stock.

6" Digital Caliper Metric and SAE

A must have when rebuilding diesel fuel injectors

 If you work around your Mercedes much this is a great tool to have. The quality is exceptional for the price. It will reset to measure in both inches and millimeters. A Must Have for Ajusting Diesel Fuel Injectors 190D 200D 220D 240D 300D 300CD 300TD 300SD

gasoline fuel tank screen
$39.50

Late 126 201 124 GASOLINE models Fuel Tank filter Screen

Fits the Following: Late 126 201 124 chassis, Gasoline Models only!  1982-1983 380SEC, 1984-1985 380SE, 1984-1985 500SEL, 1987-1993 190E 2.6, 1990 -1993 300E 4matic, 1990-1992 300CE, 1988-1991 300SEL, 1992-1993 400E, 1986-1991 420SEL, 1986-1991 560SEL / SEC.

German hose clamps set 12
$28.50

Super Fuel Hose Clamp Kit (12) - German Made - High Torque

Non Cutting and smooth tightening clamps

These are my favorite German hose clamps. They tighten securely, dont cut into the hose, and don't rust or break. If you are working on the fuel system of any Mercedes I recommend you have these clamps on had.

$139.00

201 124 126 140 Chassis Diesel Fuel Thermostat

Coolant Based Fuel Warmer

New OEM Mercedes diesel fuel thermostat. This unit is located down low on the left side of the engine and is very prone to leaking due to age. If you notice wet spots under your engine you might want to check this out. No instructions, but very easy to replace. Can leak coolant, fuel or both.

$9.95

HD Straight Diesel Clear Prefilters with Reinforced Housing - 3 Pak

Fits 115 Chassis 220D 240D 300D. Also 126 and 124 chassis 300D 300TD 300SDL 350SDL where straight filter is preferred

Here is a set of three straight inline fuel pre filters with strong plastic nipples and reinforced housing that fit 8 mm or 5/16 fuel hose.

PLEASE NOTE: WE SHIP EITHER FEBI OR HENGST AND COLOR OF FILTER SCREEN CAN VARY, DEPENDING ON WHAT IS AVAILABLE.

6 Diesel Purge Injection System Cleaner H. D. Cans
$59.95

6 PACK Lubro Moly Diesel Purge Injector Cleaner

ONLY SHIPPED UPS GROUND - NO INTERNATIONAL

WORKS ON THE FOLLOWING All diesel 110, 115, 116, 123, 126, 201, and 124 chassis. 190D, 200D, 220D, 240D, 300D, 300CD, 300TD, 300SDL, 350SD, 350SDL, E300D.When it comes to diesel engine performance this is your best bang for the buck.

124 Fuel Pump Relay
$138.50

EARLY 124 300E Fuel Pump Relay

WARNING: Only fits certain years as described! VIN Split Up to A396764

FITS THE FOLLOWING, ALMOST all EARLY 124 chassis 300E SEDANS 1986-1989 Only.Part number 002 545 27 05. 10 PIN plug. Be certain this part number matches your old one before ordering. This little unit has been proven to be the single most common reason for the 300E to just quit.

Gas and Diesel Fuel Hose Clamp Off Tools
$9.95
Currently out of stock.

Gas and Diesel Fuel Hose Clamp Off Tools

Applies to all Mercedes: Pre 1960, 190SL, 110, 111, 112, 113, 114, 115, 108, 109, 107, 116, 123, 126, 201 and 124 chassis. If you ever need to replace a fuel tank, fuel pump, fuel filter, or fuel hose and don't want the fuel running down your arm here is the tool and will save the day!

$37.50

Fuel Filter Kit 1984 to 1993 (Code 3)

Fits 601 602 603 190D 300D 300TD 300SDL 350SD 350SDL -- DO NOT FIT 123 CHASSIS!!!!

Fits 201, 126 (after 1986) and 124 four, five and six cylinder diesel to 1993. This kit should give you at least a year supply of fuel filters for your diesel. You will receive 2 main fuel filters, 3 clear plastic inline high quality pre-filters, and two main fuel filter o-ring set.