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$29.50

Cooling System Leak Detection Radiator Cap Conversion for Brake Bleeder Tank

Custom made in our shop. Allows you to use our brake bleeder tank to also pressure test the cooling system on most models 1973 to 1995 ( see design of metal cap to confirm )

Have you ever had a hard time finally a very small coolant leak? Do you find yourself adding small amounts of coolant but can not see any leak? Is there a funny smell coming from inside your Benz when you run the heater?

On Demand Video
$18.99

Setting Up Mercedessource Coolant System Pressure Tester Cap - On Demand Video

Video instruction that comes free with the purchase of your custom radiator pressure testing cap and hardware

In this video, Kent will walk you through the steps needed to convert your older Brake Bleeder tank to one that can continue to bleed brake systems as well as pressure test radiators and cooling systems.

$129.00

1985 W123 Turbo Diesel Air Filter Housing w/ Hoses - USED

FITS MODELS with trap oxidizer and air filter housing mounted off the engine. Some late or California 1984 models as well.

GOOD USED air filter housing with hoses as shown. Study the picture carefully. This is the actual unit you will receive. No filter is included. The rubber y connector is not cracked and still soft. It is missing the long tube and elbow to the valve cover.

$18.90

Diesel Engine Valve Adjusting Lower Nut x 2 - Used

Only 2 sets left. For older OM 615 616 and 617 diesel engines with adjustable valves

This price is for TWO nuts as shown. If you find you can not accurately adjust one of your older diesel engine valve clearances it usually means the threads on the lower adjusting nut are stripped. New ones are getting harder to find so we are offering good used as an alternative.

$79.50

1982 and 1983 W123 240D Diesel Engine Mount Arms - USED

ONLY fits years listed for U.S. models. ONLY ONE SET AVAILABLE

Good used motor mount arms as shown. Good bolt threads. No galling or cross threading. Only one  set is available. Will need some cleaning when you get them.

$98.00

OM 617 Turbo Diesel Water Pump Housing w/ Balance Pipe - USED

For 1981 to 1984 5 cylinder turbo diesel models only - W123 and W126 300D 300CD 300TD 300SD

Good used part as shown.  There are no stripped bolts in the housing. Even the balance tube banjo bolt threads are super. Hose nipples have a couple pits in them. Should be ok as is or you can sand and fill the pits with JB weld. 

$18.75

Turbo Diesel Cylinder Head Bolt Removal Tool - 12M Star Bit

1978 to 1985 5 Cylinder Turbo Diesel Engines 300D 300TD 300CD 300SD

If you have worked on 5-cylinder 617 turbo diesel cylinder heads before you already know how important it is to have the correct socket for the star cylinder head bolts. This socket is a must to properly remove and re-torque those bolts.

$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.

$37.50

Late OM616 OM617 Power Steering Pump Leak Reseal Kit - SMALL SEAL

Fits later W123 4 and 5 cylinder diesels and W126 300SD with aluminum pumps ( watch video before ordering!!!)

For later 240D 300D 300CD 300TD 300SD Models. Most after 1980 BUT YOU MUST LOOK AT YOUR PUMP BEFORE ORDERING! WATCH KENT'S VIDEO BELOW. You have asked for it and we have delivered again.

$46.50

Early OM616 OM617 Power Steering Pump Leak Reseal Kit - LARGE SEAL

Fits early W123 4 and 5 cylinder non-turbo diesels and W116 300SD with cast iron pumps ( watch video before ordering!!!)

The seal in this kit is out of production. Only small quantity left. For EARLY 240D 300D 300CD 300TD and W116 300SD Models. Usually up to 1980 BUT YOU MUST LOOK AT YOUR PUMP BEFORE ORDERING! WATCH KENT'S VIDEO BELOW. You have asked for it and we have delivered again.

$18.00

1981 to 1985 W123 W126 Passenger Side Motor Mount Metal Shield - USED

Fits right side 1981 to 1985 turbo diesel models only . Cover plate be used on left side but some models will require trimming to check engine shock mount.

The motor mount shield may not be the exact one shown. It may be painted or original. No cracks. Not perfect but very usable. If you leave this off your rubber mount will fail much quicker. 

$16.75

OM616 and OM617 Diesel Engine Water Pump Bolt Upgrade Kit

Solve the problem of rusty pump mounting bolts once and for all - Go stainless AND seal them from inside water!

Kent finally went to work to solve the problem of rusty water pump mounting bolts. Once the problem was studied carefully the solution became obvious. Watch the video for a full explanation and partial instructions below.

Kit contents:

$185.00

OM616 and OM617 EGR Valve - Excellent operation - USED

Tested opens and holds strong vacuum. 1980 to 1985 4 and 5 cylinder diesel engines 240D 300D 300CD 300TD 300SD

Good used working EGR valve. HARD TO FIND. The valve opens and closes properly and holds a strong vacuum. Hard to find. Failure of this unit can cause excess smoke, poor idle, and/or rough shifting. Check to see if yours holds vacuum. Easy to replace.

$12.80

Early V8 and Diesel Engine Rotation Socket and Extension

27mm / 1 1/16" six point 3 in deep socket with short extension just the right length to fit into the front pulleys and clear the radiator on most early 6 clyinder, small V8 and diesel engines from the early 1960's up to 1985

For a number of maintenance operations, you need to be able to turn the engine over by hand. This includes valve adjustment, timing chain replacement, injection pump timing on diesel engines, checking and setting internal engine timing, draining the torque converter, and others.

$28.00

Early SLS Self Leveling Engine Driven Pump Floating Coupler

This is the "cog" that drives the hydraulic suspension pump on W116, W123, W201 16V, and W126 chassis with self leveling suspension

This is the part that more often than not gets lost when the SLS pump is removed from an engine for a long period of time. If you are trying to return the system to original after someone has removed the pump you most likely will need this part.

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.

$9.80

Radiator Hose Block Off Clamps - Set of 2

Work on your cooling system without having to drain all the coolant

2 large style clamps to be used on upper and lower radiator hoses. Use these to replace your thermostat or water pump without having to drain all your coolant out of the radiator. Works on medium size coolant hoses also. 

$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.

$135.00

617 Turbo Diesel Engine Timing Device Complete - USED

For 1981 to 1985 5 cylinder turbo diesel engines. LAST ONE AVAILABLE

Excellent used injection pump timing device, good sprocket teeth, good drive splines and gears, good springs and good vacuum pump cam plate. 

$36.50

O617 Turbo Diesel Turbocharger Oil Drain to Pan Tube - USED

Fits all 5 cylinder turbo engines 300D 300TD 300CD 300SD 1978 to 1984

Good used straight tubing as shown. NO DENTS! The OLD Seals and o-rings may or may NOT be included.  You will need to order new seals if you don't already have them. See related products below.

$14.00

Set of 4 Fan Clutch Short Bolts - USED

For all 5 cylinder diesel engines with viscous fan clutch to water pump 1975 t0 1985

This is a very good set of four used special bolts that have good undamaged hex heads.

On Demand Video
$12.99

Super Extreme Engine Compartment Detailing - On Demand Video

This is over the top detailing. Watch Kent perform magic on his 560SEC engine compartment. 45 minute long instructional video

Want to try to make your car's engine and engine compartment look like it just came off the showroom? Would you like detailed information on the chemicals, brushes, tools, and procedures Kent uses to get his engine compartments looking so nice?

$8.95

Lubro Moly Diesel Hi Test Fuel Additive

Lubro Moly Diesel hi test fuel additive that does far more than just add lubrication to the fuel. Formulated for the new low sulfur diesel fuel. Contains an additive against injection pump and injector wear.

PDF
$7.95

Pre-Glow Systems Tips, Quick Tests and Upgrades - All Diesels 1960 to 1993 Download

Manual by Kent Bergsma: Book 5 of a 5 Book series

During his years of working on diesel engines, Kent has learned a few things about glow plugs. Some he learned the easy way and others he learned by “pain and suffering.” If misunderstood or improperly maintained, glow plugs can be the “achilles heal” of a diesel.

PDF
$6.95

Pre-Glow Parallel Systems Testing 1978 to 1993 by Kent Bergsma - Download

Manual by Kent Bergsma: Book 2 of a 5 Book series

This book explains how a parallel pre-glow system works and how to properly test it using inexpensive electrical testing equipment. If your PENCIL style glow plugs are not working properly, you need to find the cause BEFORE you start buying parts.

PDF
$6.95

Diesel Pre-Glow Series System Testing 1960 to 1979 by Kent Bergsma - Downlaoad

Manual by Kent Bergsma: Book 1 of a 5 book series

Book 1 explains how a series pre-glow system works and how to properly test it using inexpensive electrical testing equipment. If your glow plugs are not working you need to find the cause BEFORE you start buying parts. This is something you can do yourself.

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.

$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.

$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.

$145.00

617 Turbo Diesel Oil Pump ( Used )

Excellent condition. Fits 1978 to 1985 300SD and 1981 to 1985 TURBO 300D 300CD and 300TD - only one available

Please note:  Does not include sprocket.  The pump has been taken apart and inspected. No excessive tooth scoring. Bolts are loose. The pump will need to be cleaned - oiled and reassembled before installation. Excellent used condition.

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