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diesel fuel filter washer and oring
$2.85

116 123 126 Diesel Main Fuel Filter Bolt Copper Washer and Oring

Fuel Filter sealing rings for 1977 to 1985 240D 300D 300CD 300TD 300SD ONLY

Fits 116, 123 and 126 chassis diesel 1977 to 1985 only. We have been sourcing these copper washers from Mercedes Benz and also including o-rings for a long time with our fuel filter kits, due to the fact that they do not come with the fuel filters.

$2.25

115 220D 240D 300D Fuel Filter Seal Ring

For 1968 to 1976 Diesel Sedans

This rubber ring fits in the cap of the engine fuel filter. Does not come with most replacement filters. Should be replaced every 3rd filter change unless you seal is damaged during service.

Diesel Fuel Tank Filter Screen with New Seal
$44.50

123 116 126 201 124 140 210 Diesel Fuel Tank Filter Screen with New Seal

GENUINE MERCEDES PART. Common source of undiagnosed lack of power issues.

Fits all diesel Sedans AND coupes only from 1977 to 1999 (Does not fit wagons!) including chassis 116, 123, 126, 201, 124, 140 and 210 chassis. 190D 240D 300D 300CD 300SD 300SDL 350SD 350SDL 300D 2.5 and E300D 1977 to 1999.  This is an important maintenance item.

$46.50

4 and 5 Cylinder Diesel Fuel Filter Kit 1966 to 1976 (Code 1)

Fits ONLY 110 and 115 chassis 200D, 220D, 240D and 300D from 1966 to 1976. This kit should give you at least a years supply of fuel filters for your diesel. You will receive 2 main fuel filters and 3 clear plastic high quality inline straight prefilters.

$39.95

616 617 Diesel Fuel Filter Kit 1977 to 1985 (Code 2)

HENGST -- MAHLE -- OR MANN BRAND FILTERS DEPENDING ON INVENTORY

Fits 116, 123 and 126 chassis diesel 1977 to 1985 only, including the 240D 300D 300CD 300TD 300SD. This kit should give you at least a years supply of fuel filters for your diesel.

$28.60

1970 to 1975 3.5 4.5 D-Jetronic Fuel Filter Inlet Special Fitting

This is your best option if the original fitting is lost or rusted so badly you can not re-use it.

The original fuel filter has a rigid right-angle fitting, as shown in the pictures below. We do not provide this fitting in our fuel delivery kits as more often than not it can be removed from your old filter and installed in the new filter we provide.

$44.95

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.

$12.75

1977 to 1985 Diesel Fuel Shut Off Inspection and Switch Protection Filter

Includes installed vacuum hose as shown (see video for installation instructions)

Connect this small filter with attached hoses to the back of the injection pump and to the brown plastic vacuum line going to your ignition switch under the dash. The filter will do two things. 1. Help to trap oil coming out of a leaking shutoff valve before it gets to your ignition switch. 2.

On Demand Video
Mercedes 115 Fuel System Service Video Manual - On Demand Video
$8.99

W115 Diesel Engine Major Fuel Service - On Demand Video

Covers fuel system service and repair on the 1969 to 1976 220D 240D and 300D only

Kent uses his 1976 240D that had sat idle for 6 years to demonstrate what needs to be done to get an old fuel system cleaned out and serviced properly. This always includes installing new fuel filters and sometimes will require replacing some of the rubber hoses.

$8.95

1960'S Through Mid 1970's Fuel Tank Filter Screen Removal Tool

For W110 W111 W112 W113 W108 W109 W114 and W115 chassis as well as W123 station wagon only

Most owners do not have a big enough hex wrench to remove the fuel tank screen on those models that had the fuel tank right under the rear trunk floor. But the screen does need to be removed, inspected and cleaned due to the age of these cars.

$38.75

W116 and Early W123 Gasoline Model Fuel Tank Outlet Filter Screen

All W116 gas models from 1973 to 1980 including the 6.9 and W123 280E and 280CE only.

It has now become essential that you replace this filter screen on these old cars, especially if they have been using gasoline with ethanol in it and the car has sat or sits for long periods without running.

$3.25

Late 617 Turbo Main Fuel Filter Bolt O-ring Seals x 2

BOLT NOT INCLUDED! Only fits some late 1984 some 1985 models - Requires inspection of existing bolt!

For reasons of hoping to solve fuel filter leak problems Mercedes changed the center bolt design in some 1984 to 1985 model 123 300D 300TD 300CD and 126 300SD. Instead of one o-ring on the bolt they changed it to two orings (as shown iin the picture.

$49.50

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.

$43.95

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??

On Demand Video
Removing Fuel Tank
$4.99

Removing and Replacing an Older Mercedes Diesel Fuel Tank - On Demand Video

Sometimes this is the best fix for a super dirty tank - and you can do it yourself!

Why would you need to remove a fuel tank? If it is heavily rusted or contaminated sometimes it is just easier to find a good used fuel tank and replace it. Trying to clean a heavily gummed up fuel tank is a real challenge.

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.

On Demand Video
W220 S500 Air Filter Replacement - On Demand Video Instructions
$3.99

W220 S500 Air Filter Replacement - On Demand Video

Often neglected job that you can do yourself - but you must be careful!!!

In this video Kent will go through the process step-by-step of properly installing new air filters in your 500 series larger V8 models produced after 2000. If not done properly you can damage the engine cover and possibly the engine itself.

$227.00

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

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.

$178.95

5-Cylinder OM617 Mercedessource Diesel Fuel Injector Nozzles w/ Heat Shields

German made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Machined for the 1986 and 1987 OM603 six-cylinder engine (see explanation below).

The Monark nozzles #120 are all gone, never to be remade. We do have a few hundred #128 nozzles still available. Kent and Kaia got together and started questioning why they would not work in the OM616 and OM617 engines. So in May of 2024 Kent decided to put them to the test.

$54.50

Diesel OM 616 and OM 617 NEW Injection Pump Fuel Return Check Valve

Fits 4 and 5 cylinder diesels from 1977 to 1985 240D 300D 300CD 300TD and 300SD

This is a brand new Genuine Mercedes check valve for the fuel injection pump on 4 and 5 cylinder diesels 1977 to 1985. 2 new copper sealing rings are included. This valve is mounted on inside of pump in the fuel line going to the filter.

$99.50

123 116 126 Diesel Fuel Tank Screen Removal and Replacement Kit

GENUINE OEM FUEL TANK SCREEN -- ALL AFTERMARKET BRANDS DISCONTINUED.

Fits all 116 diesel 300SD, and 123 240D 300D and 300CD and all 126 chassis diesels 300SD 300SDL 350SD/L. 1977 to 1991 (Does not fit wagons!). Wiill NOT work on 107 chassis. Receive a Related Bonus-Product FREE!

$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.

$14.95

Gas and Diesel Fuel Hose Clamp Off Tools

Ouality Lisle brand. Sold in pack of two.

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!

$22.75

Fluid Maintenance - Radiator and Fuel Hose HD Pinch off Pliers

A must when changing rear mount fuel filters and pumps. Best tool for secure clamp-off in tight locations. Works on fuel hose, coolant hose and even big radiator hose.

I have used a lot of different clamping tools over the years to prevent fluids from leaking out when removing coolant, fuel, or brake fluid hoses. Most work ok. Some are hard to use in tight places.  Many do not stop every last drip from coming out of the hose.

$146.00

4 Cyl 615 616 601 Mercedessource Diesel Fuel Injector Nozzles w/ Heat Shields

German made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Machined for the 1986 and 1987 OM603 six-cylinder engine (see explanation below).

The Monark nozzles #120 are all gone, never to be remade. We do have a few hundred #128 nozzles still available. Kent and Kaia got together and started questioning why they would not work in the OM616 and OM617 engines.

$5.80

8mm ( 5/16 inch ) Fuel Hose End Pugs x 4

Use when disconnecting a fuel hose to prevent spillage on your engine or floor!

You would be amazed at how much fuel can leak out of a fuel hose when you disconnect it from your tank or engine. This is an easy way to prevent messy spills.

$22.75

60x Diesel Engine Compartment Fuel Hose and Clamp Replacement Kit

For 190D 1984 to 1993 and 300D 300TD 300SDL 350SD 350SDL 1986 to 1993

This inexpensive kit will allow you to replace the old, hardened, and brittle fuel hose in your 601, 602, or 603 diesel's engine compartment, as well as those old, worn-out factory clamps, with new, high-quality, German style clamps that will not cut into the rubber hose.

Diesel Service Kit (1) 1968 to 1976
$82.50

Diesel Service Kit (1) 1968 to 1976

Fits all 115 chassis. Mercedes Diesel engines from 1968 to 1976. This includes 220D, 240D and 300D. Here is a chance to pick up all those most used diesel engine service parts in one kit for one great price. These are high quality replacement and service parts.

On Demand Video
$18.99

MFI Fuel Injector Tester: Assembly, Testing and Cleaning Operations - On demand Video

A video instruction manual explaining in detail how our special tester kit works

Would you like to find out how well your old (1959 to 1972) mechancial gasoline fuel injectors are working? Now you can do it yourself at home with our custom bench mount hand pump pressure tester and cleaning kit. These are the full instructions that come FREE with the kit.

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.

$198.50

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

German made for us by Wolfswerke-sachsen ( by same company and same nozzle that was formerly branded as Monark). Yes! We brought them back...

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.  This is the critical inside wear part of the injector that delivers the fuel spray into the cylinder.

$43.95

201 124 Late 126 Chassis Fuel Tank Outlet Screen Removal Socket

Socket machined short for easier access and a sharper edge for better grip

Fits  Gasoline Models only!  1982-1983 380SEC, 1984-1985 380SE, 1984-1985 500SEL, 1987-1993 190E 2.6, 1986 to 1989 300E, 1990 -1993 300E 4matic, 1990-1992 300CE, 1988-1991 300SEL, 1992-1993 400E, 1986-1991 420SEL, 1986-1991 560S

$109.50

Diesel Service Kit (2) 1977 to 1985

FITS THE FOLLOWING: All Mercedes Diesel engines from 1977 to 1985 except 190D. This includes 123, 116, and 126 chassis 240D 300D 300TD 300CD and 300SD. Here is a chance to pick up all those most used diesel engine service parts in one kit for one great price.

6 Diesel Purge Injection System Cleaner H. D. Cans
$69.95

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.

$425.00

6 Cyl 603 DIY Fuel Injector Rebuild Kit

German made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Yes! We brought them back...

 For 1986 to 1993 with OM 603 6-cylinder 300D 300TD 300SD 300SDL 350SD and 350SDL. Also fits 1994-1995 S350. This kit includes Kent's new version 3 pressure tester.

123 300TD Wagon and 114 115 Chassis Fuel Tank Screen Replacement Kit
$64.50

123 and 124 300TD Wagons Only and 115 Chassis Fuel Tank Screen Replacement Kit

DIESEL ENGNES ONLY: 1979 to 1987 300TD Wagon - W115 Chassis 220D 240D 300D1969 to 1976 - with special tool included

This kit includes a New Mercedes OEM fuel tank filter screen along with a special tool I have made to remove and install it. It will save you the time and expense of running out and buying a great big Allen wrench.

$12.50

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.

$11.95

Diesel Purge - Per Can

Can only be shipped UPS ground

PLEASE NOTE: This item can ONLY be shipped UPS Ground. Diesel purge is amazing stuff! It is getting so popular that we have decided to offer it on the website individually, so now you can buy per can.

$12.75

27mm 6 Sided 1/2 Inch Drive Socket - U.S.A.

To be used with R107 Fuel Tank Screen Removal Tool + many older gas and diesel front crank bolts

This socket is the correct size to use with our R107 Fuel Tank Screen Removal Tool ( See below:). It is a heavy-walled 27 mm black impact grade socket made in the U.S.A.

$78.50

Older Diesel Internal Engine Cleansing Kit

Must be done using separate fuel tank. Cleans injection pump, fuel injectors, pre chambers, combustion chambers and helps reseal piston rings. Will not work on extremely worn out engines.

UPS ground shipping only. Can not be shipped internationally. Rather than try to explain what this kit does and how it does it we are going to ask you to watch the video below if you have not already done so.

$49.95

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!

Diesel Service Kit (3) 1984-1993
$86.95

Diesel Service Kit (3) 1984-1993

FITS THE FOLLOWING: 201 chassis 190D 2.2 and 2.5 diesels from 1984 to 1989. 124 chassis 300D and 300TD 1987 and 1990 to 1993. 126 chassis 300SDL and 350SDL 1986-87 and 1990-91. Get your later model Mercedes diesel ready for winter driving with this self service kit.

$13.75

1977 to 1985 Diesel Injection Banjo Fitting Sealing Ring Replacement Kit

Total of 14 sealing rings 10 copper and 4 aluminum for fuel injection pump fuel hoses

If you have had to remove any of the banjo bolts you can see that those sealing rings are getting quite old... when you see scoring in the ring the ring appears to be crushed, they should be replaced to prevent leaks and to prevent air from getting into the fuel lines.

On Demand Video
$3.99

Making Certain the Turbo Inlet Elbow Seals Stay in Place - On Demand Video

WARNING: Inlet air leaks at turbo can shorten engine life! Modifying the plastic elbow assures tight seal

This is a BIG problem! Failure to fix it can shorten engine life by allowing dirt to enter the combustion chambers thus damaging the piston rings which lead to low compression, poor fuel economy, hard starting, high oil consumption and loss of power.

$18.50

Modified 22mm Open End Wrench for Oil Cooler Fittings

Helps to prevent damage to valuable oil cooler. See video below. Also multi-purpose uses.

This custom-made thin head wrench by Kent Bergsma can save the day and your pocketbook.  It is very important that you hold the fitting base on the oil cooler when removing the oil cooler hoses. A regular 22mm wrench is almost always too thick and can also cause damage.

601 602 603 Engine Diesel Mechanical Lift Primer Pump
$286.00

601 602 603 Engine Diesel Mechanical Lift Primer Pump

Heading toward NLA. Only two left. For all 201 124 126 models 1984 to 1993 - Includes PDF 60x lift pump Instructions

New Bosch pre-pump that mounts on side of injection pump. This is what makes your 60x. engine self priming and delivers fuel pressure to the injection pump.

All Models Self Leveling Suspension SLS Proper Hydraulic Fluid - 1 Liter
$16.50

All Models Self Leveling Suspension SLS Proper Hydraulic Fluid - 1 Liter

300TD Wagon, 6.9, 560SEL, 300TE, 190E 16V, other Euro Models with Hydropneumatic Suspension

If you have any Mercedes model with hydraulic self leveling suspension from the early 70's up to the early 1990's this is the correct fluid to use. High quality Meyle or Febi Bilstein product. Any other type of fluid can damage the seals and score your pump.

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