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On Demand Video

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.


1990 to 1995 Diesel OM602 and OM603 Prechamber Removal Tool

Heavy duty slide hammer and special fitting included.

This tool will allow you to remove a cylinder head pre-chamber on a 1990 to 1991 350SD 350SDL (126 chassis), 1990 to 1993 300D 2.5 (124 chassis), and 1992 to 1995 300SD / S350 (140 chassis). The special black fitting attached to the slide hammer is custom made in our shop.


W187 220 Mechanical Parts Lot 1 - USED

For 1950 to 1954 220 Suicide Door Models

This is a selection of used parts removed from A 1952 220 Sedan. Some would also fit the W187 coupes and convertibles. No specific description will be given on each part. There is no guarantee that all the parts will fit the described vehicle (mistakes can happen). Study the picture carefully.


Diesel Engine Valve Adjusting Lower Nut x 2 - Used

Only four 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.


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.


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.


Low Pressure Power Steering Hose for Older Models - 24 inch long x 15mm I.D.

Only works on models listed below or in other applications using 15mm hose. Measure first.

This is the hose on the left side of your engine that seems to always rot and leak power steering fluid. If you look closely at it you will most likely see small cracks in the hose. This is the larger size hose used on those early models with power steering from the early 1960's through 1976.


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.


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.


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.


OM616 and OM617 Late Oil Filter Housing to Block Bolt Set - USED

Fits 1977 to 1985 4 and 5 cylinder with large oil filter housing that has a top lid near firewall

Good used bolt set with good hex heads. 

Here is the location of these five important bolts. Do not use the cheap paper gasket in most gasket kits for the oil filter housing. It will leak!!!!


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. 


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:


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.


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.


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

Early V8 Bosch D-Jetronic Ignition Distributor Inspection and Service - On Demand Video

Problems with this 1970 to 1976 3.5 and 4.5 unique distributor can cause all kinds of engine performance issues.

This is not a complete instructional video on how to "overhaul" the M116 and M117 D-Jetronic fuel injected V8 distributor. There is lots of information out there on installing new points, setting the dwell and timing, replacing the cap and wires, etc.


M116 V8 Timing Chain and Upper Guide Rail (3) Replacement Kit w/ Written and Video Instructions

Prevents Catastrophic failures on 3.5 and 4.2 liter V8 engines from 1970 to 1991 and the 3.8 (380) engine ONLY with twin row timing chain.

If you own a Mercedes with the M116 V8 engine (expect 1980 to 1982 380 engines with single low chains) timing chain failure can really ruin your day! If the engine it turning at high speed when this happens, it can destroy the engine.


M117 V8 Timing Chain and Upper Guide Rail (3) Replacement Kit w/ Written and Video Instructions

Prevents Catastrophic failures on 4.5, 5.0, 5.6 liter V8 engines from 1972 to 1991. NOTE: Oil tube clips and valve cover gaskets available separately

If you own a Mercedes with the M117 V8 engine timing chain failure can really ruin your day! If the engine it turning at high speed when this happens, it can destroy the engine. If it happens at low speed, you may get away with removing the heads and replacing some bent valves.

On Demand Video

M116 and M117 V8 Timing Chain Replacement Safety Tips - On Demand Video

Companion to my written instructions "Preventing Catastrophic V8 Engine Failure"

PLEASE NOTE: This is NOT a complete instructional video on how to install a new timing chain in a 1970 to 1991 M116 or M117 Mercedes V8 engine. Rather it is a collection of "tips" to help you prevent running into trouble when doing this job yourself.

On Demand Video

Tackling a Rough Running D-Jetronic V8 - Initial Inspection and Tests - On Demand Video

Covers Mercedes 3.5 and 4.5 V8 engines from 1969 to 1976

In this video, Kent will walk you through some initial steps you can take to try to solve a rough running problem on an early Mercedes V8 engine with D-Jetronic fuel injection. Please note that this is an introductory troubleshooting video. It does not contain any actual repair information. 


M116 V8 Timing Chain Upper Guide Rail Replacement Kit

Save your V8 regardless of mileage - DO this job if it has not been done in the last 15 years

For all 3.5, 3.8, and 4.2 liter V8 engines from 1969 to 1991 280SE 3.5, 300SEL 3.5, 380SE, 380SEC, 380SEL, 380SL and 420SEL. These THREE are the upper (and easily accessible) plastic guide rails that most often break due to age and heat.


M117 EARLY V8 BOSCH Distributor Cap - New

Hard to find OE. Small style rotor included. Fits most 1971 to 1976 4.5 engines with electronic Bosch D-Jetronic Fuel Injection

New O.E. cap as shown. Alert: These are almost out of production.


M116 and M117 EARLY V8 High Performance Spark Plug Wire Set

Fits 3.5 and 4.5 engines from 1970 to 1976 with electronic Bosch D-Jetronic fuel injection *** SEE NOTES BELOW ****

Exceptionally nice set of high-performance spark wires as shown. These should be replaced approximately every 80,000 miles for peak performance.


M116 and M117 Valve Cover Bolt Copper Sealing Washers Set of 8

If you don't want leaks replace these every time you remove the valve covers

If you are a 1969 to 1991 V8 you should have some extras of these on hand. They are inexpensive and should be replaced anytime you remove your valve covers. The gaskets will keep a good seal longer than the bolt washers.


M116 and M117 LATER V8 NGK Spark Plug Set of 8

Bosch plugs are currently NLA. These NGKs are currently the best solid copper core plugs you can get for the later 4.5, 3.8, 5.0, 4.2 and 5.6 V8's

These will fit all 1976 to 1991 4.5, 3.8, 5.0 and 5.6-liter V8 engines with Bosch C.I.S fuel injection.  PLEASE NOTE: These spark plugs have an aluminum end cap that does screw off. You will receive the plugs with the end cap installed.


M116 and M117 EARLY V8 BOSCH Spark Plug Set of 8

Best plugs you can get for these early 3.5 and 4.5 V8's AND the only ones you should use.

These will fit all 1970 to 1975 3.5 and 4.5  V8 engines with D-Jetronic fuel injection (electronic). Do not use NGK, Platinum or any other kind of "special" spark plug. You will be sorry. Use only these Bosch Super plugs.

On Demand Video

M116 and M117 V8 Spark Plug Replacement - On Demand Video

Learn some tips to use and pitfalls to avoid - Do it yourself and Save $$$

One of the most often neglected easy and inexpensive maintenance items I see on gas engines. Why do people think that spark plugs will last forever or that it doesn't matter what type of plug is used! Aren' they all created equal?


M116 and M117 V8 Valve Cover Service / Oil Leak Fix Kit

For all single overhead camshaft V8 engines from 1969 to 1991

This is a VERY common maintenance item on the older Mercedes V8 engines. If they are too old they will leak. If they are not put on properly they will leak. If you do any maintenance (ie, valve adjustment, clip replacement, timing chain, guides, etc), you should have this kit on hand.

On Demand Video

M116 and M117 V8 Camshaft Oiler Tube Clip Replacement - On Demand Video

In these engines these are the cheapest parts that can cause the most expensive damage! - REPLACE THEM!

You can not believe how many problems Kent has seen over the years as a result of the camshaft oiler tube falling off inside the valve cover! It is held on by inexpensive small plastic clips and guess what happens after 15 to 20 years? Yes, that is correct.

On Demand Video

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.