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$22.75

1977 to 1985 Diesel Special 24 mm Oil Filter Housing Fitting Wrench

A Must Have Tool when dealing with stubborn oil cooler hoses

NOTE: May be black or chrome depending upon stock on hand. This standard 24 mm combination wrench is specially ground in our shop so that it will hold the fitting on the late 616 and 617 oil filter housing when loosening the oil cooler hose end nut.

$54.20

W123 Chassis 5-Cylinder Non-Turbo Diesel Motor Mount Kit

For all non-turbo 300D 300CD 300TD models 1977 to 1981 includes transmission mount

Have you noticed your Mercedes diesel sedan is recently shaking more at idle. Maybe you are noticing new vibrations that were not there before. You may have also noticed the engine makes some clunking noise when you shut it off. When was the last time your rubber motor mounts were changed.

$148.00

1995 E300 Diesel Glow Plug Set

1995 YEAR ONLY!!!! Totally different and expensive plug.

6 high quality Bosch glow plugs ONLY.

These engines are know to seize glow plugs in the head. Always use correct anti-seize compound on the threads only when installing.

 To see Kent's video on the problem of removing a stuck glow plug CLICK HERE.

$18.95

617 Diesel Flywheel Flex Plate Hold Down Ring - USED

For OM 617 non turbo and turbo in 1977 to 1985 300D 300CD 300TD and 300SD

Good used ring for flywheel bolts as shown. These often get damaged with you have to cut one of your flywheel bolt heads off.

300D 2.5 valve cover gasket
$18.75

201 124 602 Diesel Engine Valve Cover Gasket

For 1986 to 1989 190D 2.5 and 1990 to 1993 300D 2.5

New valve cover gasket for 602 5 cylinder diesels.

Should be replaced anytime you remove the valve cover for inspection or valve train maintenance.

$22.00

615 616 617 Early 601 and 603 Diesel Engine Prechamber Collar Nut - USED

For 190Dc 200D 220D 240D 300D 300TD 300CD 300SD 190D 300SDL 1963 to 1987 Pre-chamber (s) ONLY

This is a genuine Mercedes used part. These are much stronger than the aftermarket ones available. Genuine are no longer made. No damage to the slot or the threads. Only for models listed. Does not work on later aluminum diesel engines. Collar nut holds pre-chamber in cylinder head.

$28.50

615 616 617 Diesel Engine Injection Pump Timing Drip Tube

For setting Injection pump timing per factory manual.

For use on 220 240D 300D 300CD 300TD 300SD 1968 to 1985. NO INSTRUCTIONS INCLUDED: The tool is meant for someone who has the factory manual or who already knows how to adjust their injection pump timing on the older diesel engines. Injection pump timing is critical for peak performance.

$22.75

615 616 Diesel Exhaust / Intake Manifold Gasket

Fits 1969 to 1983 220D and 240D 4 Cylinder OM615 and OM617 engines

Fits 115 and 123 chassis 220D and 240D to 1983. Check yours for staining around the gasket. Also check nuts for tightness. These symptoms may indicate a leak. This is an important maintenance item! I have seen bad leaks as well as completely loose intake and exhaust manifolds.

Diesel Vacuum Source Troubleshooting and Repair
$19.75

Diesel 616 617 Vacuum Source Troubleshooting and Repair - by Kent Bergsma

Basic manual on vacuum output and testing. Does not cover all things vacuum. See description

Applies to 240D 300D 300CD 300TD 300SD Diesel This guide is written specifically for owners of 123 and 126 diesels from 1977 up to 1984. There are some sections that apply to the 115 and 116 chassis but it is not specific to those models.

$29.95

602 603 Diesel Engine Coolant Thermostat w/ INSTRUCTIONS

Fits models listed below with these engines ONLY from 1986 to 1995

New Behr thermostat 80 degree C with gasket. Comes with illustrated installation tips. Instructions are specific for early 603 engine 1986 and 1987 but will apply to other models as well (some specific details may not apply to the later models).

Fits the following models:

$3.25

Banjo Bolt (Short) Diesel ALDA and Water Pump Bypass Pipe - New

Requires Two Metal Washers Sold Separately - ALSO fits the Oil pressure feed line to 61X Injection pump

Brand New short banjo bolt. Fits on top of injection pump on 617 Turbo Diesel ALDA and on 4 and 5 cylinder diesel water pump bypass pipes (often broken or rusty). This includes 220D 240D 300D 300TD 300CD and 300SD.

$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.

$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!

$78.75
Currently out of stock.

615 616 617 Early 601 and 603 Diesel Prechamber Collar Nut Torquing Tool V2

Version 2 tool available December 2021, The ONLY way to remove and install a collar nut without damaging it!

Tightens and Removes Collar Nuts on 220D 240D 300D 300CD 300TD 300SD 300SDL 190D 2.2 1969 to 1987. Works on most Mercedes diesel engines up through 1987 only.

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.

$44.95

615 616 617 Diesel Healthy Vacuum Exam Kit

For all 4 and 5 cylinder diesel Mercedes 1969 to 1985 ( Except 190D)

Is your diesel suffering from hard brakes, poor or no engine shut off, climate control problems, or even funky transmission shifting??

$14.25

61x Diesel Engine Compartment Fuel Hose and Clamp Replacement Kit

For early diesels 1968 to 1985 220D 240D 300D 300CD 300TD 300SD

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

5 Cylinder Diesel Valve Cover Gasket
$13.75

300D 300TD 300CD 300SD 5 Cylinder Diesel Valve Cover Gasket

FITS THE FOLLOWING: all 115, 116, 123, and 126 chassis with 5 cylinder engines. Always replace that valve cover gasket every time you adjust the valves (every 12,000 to 15,000 miles). Will keep those unsightly oil leaks around the valve cover at bay.

$76.50

W123 Early W126 Turbo Diesel Motor Mount Kit with Free Instructions

Installation tools as shown included. For 5-cylinder Turbo Diesel Engines ONLY 1981 to 1985

FITS THE FOLLOWING: 123, 126 Chassis 300D 300CD 300TD 300SD (from 1981 to 1985) with 617 5 cylinder turbo diesel engines. Have you noticed your Mercedes diesel sedan is recently shaking more at idle? Maybe you are noticing new vibrations that were not there before.

$38.95

Diesel Automatic Transmission VCV Vacuum Controls Testing Kit

All diesel Automatic Transmissions with Vacuum Modulator Fitted 1978 to 1993

This unique kit will allow you to hook up a 30 in HG vacuum gauge between your vacuum control shifting valve (VCV) and your transmission modulator to test the VCV for proper function and to tune it for peak shifting performance.

$5.20

Early Diesel Fuel Injection Pre-chamber Seal Ring 2.3mm

190Dc 190D 200D 220D 240D 300D 300CD 300TD 300SD 1963 to 1985

Crushable seal ring that fits between the prechamber and the cylinder head. Genuine first oversize thickness 2.3mm. SOLD INDIVIDUALLY. New seals may be required to repair fuel and air leaks around the top of the prechambers. Special tools are required to replace this seal.

$69.95
Currently out of stock.

617 Turbo Diesel Rack Damper Bolt With Special O-Ring

IMPORTANT NOTE: if you have a W116 300SD your engine may or may not have this part located on the rear of the large fuel injection pump. Early engines did not have one. YOU MUST LOOK THE THE BACK OF YOUR INJECTION PUMP BEFORE ORDERING

FITS THE FOLLOWING: all 123 and 126 chassis, Idle Stabilizer For 1981 to 1985 Turbo Models only 300D 300CD 300TD 300SD.

$24.75

Older Diesel and Gas Fan Clutch to Water Pump Mounting Bolt Removal Tool

10/22 Update: New design. For all 220D 240D 300D 300CD 300TD 300SD 1969 to 1985 and other 6 cyl. gas models with viscous fan clutch

Fits the following 108, 111, 113, 114, 115, 116, 107, 123, and 126 chassis with four-bolt mount vicious and fixed fans. NEW IN 2022!  Now just a very long 10mm custom bent and ground ( no extra handle ).

$72.50

W123 W116 W126 Diesel Engine Vacuum Fuel Shutoff Valve w/ Instructions

2 gaskets included. A VERY important part to make sure your engine quits when you turn off the key!!!

 If your diesel engine is starting to shut off very slowly or maybe not at all and you know your vacuum system is ok, it may be time to replace the vacuum fuel shutoff valve located at the rear of the injection pump.

On Demand Video
Removing the Cylinder Head to Diagnosis an Overheating Diesel - On Demand Video
$10.99

Part 2: Diesel Buyer Beware - Cylinder Head Gasket Failure and Removal Woes - On Demand Video

Is it really only "just a head gasket?" Kent will remove a cylinder head to illustrate the myth.

When an engine is both overheating and losing coolant, you first want to exhaust all possibilities that the cause is something simple or inexpensive to repair. It is possible it might just be a stuck thermostat with a faulty water pump leaking coolant at the same time.

$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.

$118.75

615 616 617 Diesel Valve Adjusting Wrench Kit - Designed by Kent Bergsma - Made in the U.S.A.

For adjustable valve clearances on 190D 200D 220D 240D 300D 300CD 300TD 300SD 1961 to 1985

These wrenches are fantastic labor savers. If you have been thinking about adjusting your diesels valves on your own - this kit will save you time, frustration, and high shop labor costs. Now is the time to get your own pair. NOW WITH RUBBERIZED GRIP HANDLES. Made in the U.S.

$19.95

HD Diesel Engine Glow Plug Circuit Tester

Every diesel owner should have one of these in the trunk to quickly test glow plug functions

A 12 volt test light is a very handy tool to have when working on any car but it is particularly important if you have a old diesel. This tool will allow you to quickly determine if there is power getting to your glow plugs, and if not where the power is breaking down.

617 Turbo v-belt set
$49.95

116 123 Turbo Diesel Contitech V-Belt Set (4 Belts)

Fits turbo diesel 1978 to 1980 300SD and 1981 to 1985 300DT, 300CDT, 300TDT (Turbo Models Only)

This is a very important maintenance item for all 116 and 123 chassis 617 5 cylinder turbo diesel owners.

$4.25

617 Turbo Diesel Rack Damper Bolt (Idle Stabilizer) O-ring Seal

For 1981 to 1985 Turbo Diesel - common oil leak area

This o-ring has to be tough enough to handle the high heat at the injection pump. If you see oil leaks around the area of the rack damper (located on bottom at rear of injection pump) then replace this o-ring.

$39.50
Currently out of stock.

Diesel Injection Hand Primer Pump - NEW STYLE

Requires 17mm wrench (purchased separately below). For older models with primer pump mounted on the injection pump. 240D 300D 300CD 300TD 300SD

FITS THE FOLLOWING  SOME 115 220D and 240D - all 123, 116, and 126 chassis diesels 1977-1985 Upgrade your diesel to the new style Bosch hand bleeder pump. This clever unit pumps without unscrewing and it does not leak all over the ground.

$69.50
Currently out of stock.

615 616 617 Early 601 and 603 Diesel Prechamber Collar Nut Torquing Tool

12/1/21 Update: Version 1 sold out and no longer made.To purchase upgraded Version 2 of this tool see related products below:

Tightens and Removes Collar Nuts on 220D 240D 300D 300CD 300TD 300SD 300SDL 190D 2.2 1969 to 1987. Works on most Mercedes diesel engines up through 1987 only. ALSO FITS OM 636

$42.50

Early Diesel Vacuum Pump Repair Kit - No Instructions

1969 to 1979 220D 240D 300D 300CD and 300TD Only

Note: Works only on models that have two vacuum lines coming of the pump cover. I am seeing lots of vacuum pump problems with the older diesels. They are reaching that age regardless of mileage where the pumps are failing right and left.

$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 worn gear clamps that will not cut into the rubber hose.

On Demand Video
$14.99

Diesel VCV Valve Installation and Linkage Adjustment Instructions - On Demand Video

Applies to OM617 Turbo Diesels from 1978 to 1985 and OM616 and OM617 Non Turbo engines 1980 to 1983

In this 17 minute instructional video Kent will walk you through removing and installation a VCV valve off the back of the injection pump and the proper way to adjust the linkage travel for best performance.  A number of tips will be shared to reduce frustration and prevent problems.

$39.50

1978 to 1985 Diesel VCV ( Vacuum Control Valve ) Internal Inspection and Service Kit

We can not call this a rebuild kit because not all VCV valves are repairable. Comes with 3 detailed On-demand videos to remove, test, and service!

The VCV valve controls the critical shifting patterns of most diesel automatic transmissions from 1978 to 1985. This includes the 1978 to 1985 300SD, the 1980 to 1985 W123 300D, 300CD and 300TD and the 1980 to 1983 240D.

123/126 Power Steering Reservoir Filter
$14.50

116 107 123 124 126 Gas and Diesel Power Steering Reservoir Filter

This filter never seems to get replaced. Good beginner DIY job. Comes with PDF instructions

FITS THE FOLLOWING: all 116 300SD from 1978-1980, R107 chassis from 1977 to 1989, 123 chassis both gas and Diesel from 1977-1985 and 126 chassis both Gas and Diesel from 1981 to 1991. Also 124 Chassis 260E 300E 300TD 300D 2.5.

$19.50

616 617 Diesel Engine Front Pulley, Counterbalance and Crank Seal Replacement Guide

Applies to 4 and 5 cylinder diesel engines 1974 to 1985 (except 190D)

Kent originally wrote this manual to go along with our 617 Turbo Diesel Front Crank Seal Replacement Kit as well as our 616 and 617 NON Turbo Crank Seal Kit. We have found that many of you are having problems with your front crank bolt loosening up or bolts sheer

$26.50

616 617 Diesel Engine Starter / Transmission Removal Tool

For 220D 300D 300TD 300CD and 300SD 1969 to 1985

Getting to and removing the two hex head bolts that hold the starter to the bellhousing can be a real test of your sanity - especially if you don't have the right tool! You will need a heavy duty hex socket on a strong wobble extension.

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