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$49.98

OM616 and OM617 Diesel Engine HIGH Pressure Injection Pump Timing Kit

Comes with HOUR LONG VIDEO instructions. Requires pressure tank for accurate and consistent results.

Kent's procedure uses the factory recommended "drip tube method" but with a "twist." He has devised a way to get accurate and consistant IP timing results while trying to get the drip tube to drip at one drip per second exactly when it should!

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.

$23.75

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.

$29.95

Early 4 and 5 Cylinder Diesel Fuel Injector Hose and Injector Washer Kit

For fuel injector service on 220D 240D 300D 300CD 300TD and 300SD 1970 to 1985

Any time you are removing and replacing your fuel injectors you will need to change the return hose and the heat shield crush washers. If you don’t, you will have leaking hoses and possible compression leaks at the injector nozzles.

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.

$67.00

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.

$249.00

CIS Gas Fuel Injector Spray Pattern Tester and Nozzle Cleaner

NEW VERSION 3 release.. See application notes below:

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 inexpensive tester- Save big $$.  Ever wonder how well your old CIS fuel injectors are working?

On Demand Video
Bleeding a Mercedes Diesel - On Demand Video
$2.99

Bleeding the Air Out of a Diesel Engine Fuel System - On Demand Video

Needed when changing filters, injectors, fuel lines or heaven forbid - running out of fuel

If you are new to older Mercedes diesels and have not worked on them before, this is one of the first things you want to learn. Especially if you ever run out of fuel. Without knowing how to do this you will never get the engine started again!

$227.00

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 1999. 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.

$384.00

5 Cyl 617 Diesel Engine Fuel Injector DIY Rebuild Kit

You CAN rebuild your diesel fuel injectors yourself in your own garage!

5/25/22 update: The precision nozzles included are now  made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Yes!

$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!

$37.95

116 123 126 Chassis Fuel Tank Outlet Screen Removal Socket

WORKS ON FUEL TANK SENDING UNITS TOO! Machined short for easier access and a sharper edge for better grip.

FITS all 116 123 Diesel and Gasoline,  and 126 chassis from 1977 to 1985. Finally a socket to remove your fuel tank screen that really works. Most correct size sockets tend to be SO BIG that they require 3/4 inch drive ratchets and extensions to use them. Who has those in their tool box??

$39.75

1972 to 1987 Bosch Long Diesel Fuel Injector Critical Replacement Parts - Used

Other than the nozzle itself, these are the critical parts that wear out internally and can cause leaks and misfiring.

When “rebuilding” an old Bosch mechanical fuel injector, replacing the nozzle is usually enough get it working again at peak performance. But sometimes you will run into a fuel injector that just won't fire right nor product a correct fan spray pattern.

$36.50

1968 to 1985 Bosch Short Diesel Fuel Injector Critical Replacement Parts - Used

Other than the nozzle itself, these are the critical parts that wear out internally and can cause leaks and misfiring.

When “rebuilding” an old Bosch mechanical fuel injector, replacing the nozzle is usually enough get it working again at peak performance. But sometimes you will run into a fuel injector that just won't fire right nor product a correct fan spray pattern.

$399.00

6 Cylinder M103 M104 CIS Fuel Delivery FID Overhaul Kit

For 1986 to 1993 M103 and M104 CIS powered cars (W201, W124, R129 and W126 chassis)

Most 1986 to 1993 6 cylinder CIS fuel injection delivery (FID) systems are old and tired and have not been properly maintained. These include the W201 190E 2.6, the W124 260E 300E, 300CE, 300TE, the W126 300SE, and 300SEL, and the R129 300SL.

$19.75

1977 to 1993 Diesel Injection Pump Hard Plastic Hose Conversion Kit

For OM616 OM617 OM 601 OM602 and OM603 - High Quality High Pressure Rubber Hose Replacement

Those old hardened and discolored plastic fuel hoses in your diesel engine compartment probably need to be replaced. When they crack and break you can dump a ton of fuel out on the road before your engine quits and leaves you stranded.

$98.50

1986 to 1991 R107 and W126 V8 Fuel Injection Accumulator

Fits 420SEL 560SEL 560SEC and 560SL - also fits 6 cylinder M104 CIS engines 1990 to 1993 (300CE and 300SL)

Brand new aftermarket fuel accumulator for the 1986 to 1991 V8 engines. It is mounted near the fuel filter under the back end of the car and hardly ever gets replaced. What does it do and how do you know if it is bad.

$148.00

1976 to 1985 R107 W116 W126 Fuel Injection Accumulator

SINGLE HOLE ACCUMULATOR: Fits some 450SL 380SL 450SE 450SEL 380SEL 500SEL 500SEC

Brand new aftermarket fuel accumulator for the 1976 to 1985 V8 engines. It is mounted near the fuel filter under the back end of the car and hardly ever gets replaced. What does it do and how do you know if it is bad. Watch the video below and Kent will explain.

On Demand Video
$22.99

1986 to 1991 R107 and W126 Fuel Delivery Overhaul Kit Installation Instructions - On Demand Video

Kent will show you how to do-it-yourself in your own 420SEL, 560SEL, 300SE, 300SEL, 560SEC and 560SL

In this 46 minute very detailed step-by-step video instruction, Kent will show you how to remove the fuel delivery system from your 1986 to 1991 420SEL, 300SE, 300SEL, 560SEL, 560SL, and 560SEC, take it over to your bench and take it all apart, install new pumps, filter, accumulator, and hoses, t

$496.00

1986 to 1991 R107 and W126 V8 Twin Pump Fuel Delivery Overhaul Kit

For 420SEL, 560SEL, 560SEC and 560SL - Complete Kit with detailed video DIY instructions

Many of these particular big V8 models are now becoming true collector cars and going up in value at a steady rate. ( especially the 560SEC and 560SL) Most of their fuel injection delivery  (FID) systems are old and tired and have not been properly maintained.

$23.50

1978 to 1985 Bosch Gasoline Fuel Pump Protection Pre-filter

Prevents #1 cause of fuel pump failure - contamination! Install inline into main 14mm ID fuel tank outlet hose

Install this steel 10-micron filter in your fuel tank outlet hose to protect your fuel pump. Clamps provided along with a pull to plug the fuel hose temporarily to reduce fuel spills. 

On Demand Video
$8.99

Fuel Tank Level Sending Unit Service Kit Update - On Demand Video

For using Kent's service kit to clean the old style fuel tank sending unit. Used in congestion with original video instructions

This on-demand instructional video was filmed to go with Kent's new fuel tank sending unit service kit launched in June of 2020. This is not a complete video on the subject of fuel level sending units. For the complete video see related products below.

24.50
$26.00

Fuel Tank Level Sending Unit Service Kit w/ 2 Instructional Videos

Most models 1968 to 1995 with tubular sending unit inside the fuel tank.

If your fuel gauge stops working or is not reading accurately, many times it can be repaired by removing it from the fuel tank, taking it apart and giving it a good internal cleaning of the contact points, float shaft, and wires.

On Demand Video
$9.99

How to Safely Drain the Gas Out of a W116, R107, W126, W201 and W124 - On-Demand Video

R107 example shown here but principles and procedures are universal to the above gasoline Mercedes from 1973 to 1995.

In this video, Kent will show you how to safely and cleanly remove the fuel from the tank on your older Benz. You will need to drain the fuel anytime you replace the back end hoses, the tank filter screen, the fuel pump or the fuel filter.

$34.75
Currently out of stock.

OM617 Turbo Diesel Injection Pump Delivery Valve Assembly - USED

ONLY ORDER ONE! Fits 1978 to 1985 5 cylinder turbo diesel injection pumps. 300D 300CD 300TD and 300SD

Look at picture and make sure this TWO GROOVE delivery valve matches what you have. Excellent used delivery valve (not scored) and housing nut that mounts on the top of the injection pump. Includes threaded housing, spring, valve body, and valve.

$44.75

1977 to 1985 Diesel Fuel Lift Pump Overhaul Kit w/ Video Instructions

For 240D 300D 300CD 300TD and 300SD. May increase power and quicker starts.

2/27/22 Update. Youtube promo for free filter has expired. To purchase a new prefilter see related products below: This easy to install kit could do wonders for your older diesel engine. The lift pump is almost always forgotten when it comes to maintenance on the OM616 and OM617 engines.

$3.70

1977 to 1985 Diesel Engine Mechanical Lift Pump Gasket

Fits all OM616 and OM617 diesel engines during those years - 240D 300D 300CD 300TD and 300SD

This new gasket is required when replacing the lift pump which is mounted on the lower left side of the fuel injection pump. This is the unit where the hand primer pump is located. To see out lift pump overhaul kit please see related products below:

$2.95

1977 to 1985 Diesel Hand Primer Pump Copper Washers ( Set of 2 )

This is a common source of leaks and trying to tighten an old seal can make it worse.

This is a perfect fit for the O.E. copper sealing ring. You only need one but we sell these as a set of two so you will have a spare.

This is where this sealing ring is located. On top of the fuel injection lift pump and at the base of the hand primer  pump:

$39.95

Variable 26 Pc. Diesel Fuel Injector Pressure Adjustment Shim Kit

New in 2019. Designed so you can modify and/or build your own precise shim thicknesses.

This is a "must-have" kit when adjusting release "pop" pressures on older diesel mechanical fuel injectors. It is the internal spring "shim" thickness that determines the exact pressure required for the release of fuel at the tip of the injector.

$64.50

DIESEL Conversion for Your Version 3 Gas Engine Fuel Injector Tester

For testing mechanical diesel fuel injectors with your newer Version 3 MFI or CIS gas injector tester

If you acquire an older Mercedes diesel and want to test those large Bosch injectors with your V3 gasoline bench tester, you  will need 4 things to complete the conversion: 3000 PSI gauge, our new capture bottle to hold the larger injectors, injector sealing kit, and Kent’s written manual and vid

$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
$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.

$25.00

OM616 OM617 FUEL INJECTOR HARD FUEL LINE #4 - USED

For 1973 to 1985 240D, 300D, 300CD, 300TD 300SD

This is for number FOUR cylinder on the four and five-cylinder engines​. No leaks. It may need to be straightened slightly for installation.

$29.50

OM616 OM617 FUEL INJECTOR HARD FUEL LINE #3 - USED

Last One. For 1973 to 1985 240D, 300D, 300CD, 300TD 300SD

This is for number THREE cylinder on the four and five-cylinder engines. No leaks. It may need to be straightened slightly for installation.

$25.00
Currently out of stock.

OM616 OM617 FUEL INJECTOR HARD FUEL LINE #1 - USED

For 1973 to 1985 240D, 300D, 300CD, 300TD 300SD

This is for the number one cylinder on the four and five-cylinder engines. No leaks. It may need to be straightened slightly for installation.

$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.

$225.00

300D 300CD 300TD 300SD 617 Turbo Diesel ALDA Assembly ( Used )

Turbo models only 1978 to 1985 - Hard to find good ones in undamaged condition. NOTE FACTORY SEAL INTACT! Video install and adjustment instructions included.

This is a VERY GOOD used ALDA assembly removed from a good running 300SD engine. This device sits on top of the injection pump and controls fuel flow rates to your injectors. This unit can be damaged if improperly adjusted and your diesel will not perform as it should.

$7.85

19mm USA Locking Capable Crowfoot Wrench

Best wrench to use when installing or removing our diesel Monark hand primer pump

This is the best tool to use when installing or removing the Monark hand primer pump. PLEASE NOTE. This is 19mm and will NOT work on the Bosch hand primer pump or other style pumps (most others are 17 mm).

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.

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