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$73.95

1965 To 1987 Diesel Prechamber Collar Ring Nut Removal Tool

Hand tighten version from Europe. Very High Quality. Needs 32mm socket to remove or install the ring.

This tool is required to remove the prechambers in the OM 615, OM 616, OM 617, OM 601, OM 603 four, five, and six clyinder diesels through 1987 ONLY!  Easy tool to use.

$124.75

420SEL 560SEL 560SL 560SEC V-Belt and Fan Clutch Replacement Kit

If you are going to replace one of these you probably should replace the other.

Both items you see above with complete video instructions. Click on each product included for more info. There are other parts you may want to replace at the same time such as the water pump, thermostat, short hose, and radiator hoses at the same time. See related products below.

$58.75

1976 to 1993 CIS Fuel Injection Pressure Tester Partial "Short" D.I.Y Build Kit

This is a do-it-yourself option. Full kit is available below. For both K-Jetronic and KE-Jetronic 6 cyl. and V/8 engines. Build an ACCURATE tester and save $$.

If you own, plan to own, and want to enjoy driving your old CIS fuel-injected Mercedes, Kent highly recommends you learn to do a full fuel system flow and pressure test.

$16.25

450 380 500 420 560 V8 Air Filter Housing Bottom Seal

Fits all M116 and M117 V8 CIS engines from 1976 to 1991

This can replace that old, hardened, and worn-out seal at the bottom of your V8 air filter housing to prevent dirt and dust from entering your. Check yours soon to see how tight it fits on top of the fuel distributor. 

$79.50

1978 to 1985 Turbo Diesel Oil Cooler Thermosat

The MOST little known and often overlooked part on the OM617 engine! And when it fails it can affect your engine cooling temp.

Even many old-time Mercedes diesel "experts" are surprised about this part. It is so unknown that it never gets replaced in the oil filter housing, meaning that almost all of them are no longer working today. Watch the video below, and Kent will explain its location and function.

$29.75

1986 to 1991 420 560 V8 Engine Thermostat 80C

For 420 SEL 560SEL 560SEC and 560SL

If your engine is taking too long to heat up or is constantly running "hot" it is probably time to replace the thermostat. Kent explains in the video below some other parts you should consider replacing at the same time.

$79.80

1986 to 1991 420 560 V8 Engine Water Pump

High Quality Graf Brand with cast iron impeller for 420 SEL 560SEL 560SEC and 560SL

New water pump and gasket as shown. Plan to change the short hose and thermostat at the same time. Inspect v-belts and change if cracked.

$58.95

1986 to 1991 420 560 V8 A/C Idler Pulley

OEM part for 420SEL, 560SEL, 560SEC and 560SL.

The bearing in this pulley wears out at 80,000 to 120,000 miles and can cause rumbling sounds while the engine is running. A good time to plan to replace or at least inspect this is when you change the V-belts.

$58.75

OM 617 Turbo Diesel Original Style Plastic Breather Tube w/ Rubber Hose Fittngs - NEW!

Fits 5-Cylinder turbo Diesel engines 1981-1984 with air filter mounted on the engine / without trap oxidizer. See pictures

This is a complete kit. Aftermarket new plastic breather tube with rubber attachment elbows, one new clamp, and a zip tie. You can see below how it installs on a turbo 300TD wagon. Watch the video for more specific details.

On Demand Video
$14.99

1977 TO 1985 Diesel Oil Cooler Thermostat Replacement Instructions - On Demand Video

You may not even know that this thermostat exists, and most have failed or are failing!

This will be instructional information that you can not find anywhere else! The focus of the 25-minute video will be on removing and replacing the oil cooler thermostat once the oil filter housing is removed for a 1977 to 1985 engine ( excluding the 190D).

On Demand Video
$12.99

Oil Cooler Thermostat Removal and Testing - On Demand Video

We would speculate that well over half of these oil cooler thermostats are no longer working on these old 77 to 85 Diesel engines, but it is possible to test them in a carefully controlled environment.

Want to find out if your oil cooler thermostat is working correctly? In this 22-minute video, Kent will take you through a test sequence that you can perform in your garage. Please note that this video DOES NOT include details of removing or replacing the oil filter housing.

$122.75

1978 TO 1985 TURBO Diesel Oil Cooler Thermostat Kit

More coming Mid-November. For 300D, 300CD, 300TD, and 300SD built in those years. This thermostat has a very limited supply. You might want to purchase while still available. There is NO substitute.

We know it is a surprise to many owners to discover there is a small thermostat inside the oil filter housing. Rather than write about it, watch the video below and Kent will explain the theory of operation and how to get it it.

$28.75

1978 to 1985 5 Cylinder Diesel 75 C Thermostat for Better Cooling

Your diesel should run between 80-85C. It if runs over 95C, it is not healthy for the engine. This might cool it down 5C unless you have major problems like cylinder head crack or leaking head gasket.

This OEM thermostat from another engine fits perfectly in the OM617 diesel engine. It does require a special rubber seal, which we include here.

$13.75

W123 W126 OM616 OM617 Diesel Motor Mount 8mm Heavy Duty Long Socket

Made in Taiwan. Very hard steel. This is a sharp edge impact socket for maximum strength. For most diesels 1977 to 1985 except W116 300SD (requires 10mm)

Removing the front rubber engine mounts requires getting under the car and going up inside a hole in the subframe to remove the main bolt. And it can be a bear! I don't know who they hired to tighten these at the factory, but he must have been a brute.

$285.00

560SL 560SEC 560SEL Ignition Tune-Up Kit

O.E. Bosch Cap + Rotor (Bremi or Bosch) + Full set of Bremi Wires + Dielectric Silicon Grease

We know you want the best for your 560 engine. These ARE the best tune-up parts you can buy. To add new spark plugs see related products below:

$345.00

1978 to 1984 OM617 New Assembled Replacement Turbocharger

All new parts. We assemble and check fit and tolerances. Kent's written instruction manual included. WARNING: Only fits engine with Garrett turbos. Will not work with KKK turbochargers.

New in 2023. This is "almost" ready to install. You will need to install some parts from your existing turbo charger once you remove it from the engine. Watch the video below for a full explanation. 

On Demand Video
$6.99

1961 to 1985 Diesel Engine Pre-chamber Removal - ON DEMAND VIDEO

The correct special tools are required to do this job without damage.

In this 14 minute instructional video, Kent will share with you the tools you will need along with some tips and tricks that will help you successfully remove a prechamber from the cylinder head. This can be done with the head on or off the engine.

$154.00

OM617 Turbo Diesel Engine Front Crank Seal Replacement COMBINATON Kit

Save $20! Includes the seal install kit plus the two pullers you will need to complete this job successfully. For all 5-cylinder turbo engines 1978 to 1985

Includes Kent's four detailed videos on every aspect of this job! This is our combination kit for DIY installation of a new front crank seal in an OM617 turbo diesel engine. Price if purchased individually is $174.00.

Sale
$120.00

OM617 Turbo Diesel Intake and Exhaust Valve Set w/ Extras - USED

For 1978 to 1985 300SD and 1981 to 1985 TURBO 300D, 300CD and 300TD

Good used set of valves for OM617 turbo cylinder heat. Includes all parts as shown (valves, springs, rotators, and spring caps. 10 THIN adjusting nuts INCLUDED. No valve cap nuts. Only parts shown in the picture are the actual items you will receive.

$39.00

M116 380 Engine Crossover Fuel Evap Air Hose

Fits 1981 to 1985 380SL 380SE 380SEL and 380SEC

380 engines tend to run hot. As long as it is not too hot it won't hurt the engine but that extra heat is not kind to rubber and plastic parts. 

$22.80

1981 to 1991 M116 M117 V8 Updated Fuel Injector Sleeve Seals - Full Set

Fits V8 engines 380, 500, 420, 560 with Bosch C.I.S. Fuel Injection with fume vapor holders as shown below

Upgraded top seals for better and longer-lasting sealing properties and well as standard green seals for the bottom of the injector holder. With these seals you can clean and reuse your existing fuel injector holders / sleeves.

$62.00

1981 to 1985 5 Cylinder Turbo Diesel Pre-chamber - USED

LARGE hole design ( see picture below ) For W123 Turbo 300D, 300CD, 300TD and W126 300SD

Damage to these is becomming more common as they engines age. If your fuel injectors are not firing fuel properly the ends of the prechambers cac burn right off causing all sorts of "weird" engine performance problems. 

$88.00

380 420 500 560 V8 Fan Clutch Replacement Kit

Watch the engine temp. If it likes to creep up especially at idle it could be a worn out clutch. Watch the video below for more explanation.

This fits all Mercedes V8 engines listed in the title from 1981 to 1991 including the sedans, the SL and SEC models. I compare fan clutches to shock absorbers. They wear out slowly over time and you don't feel or see the difference until you actually replace it with new. 

On Demand Video
$12.99

380 560 V8 Fan Clutch Replacement Instructions - On Demand Video

For 380SL 380SE 560SL and 560SEL

In this 13 minute instructional video Kent will demonstrate how to remove an old fan clutch and replace it with a new one on a 1983 380SL This is a beginner D.I.Y. job and no special tools are required. This video is included free of charge with the purchase of our Later V8 fan clutch kit.

$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.

$4.75

All Models Radiator Hose Chafe Protector - Heavy Duty

Don't let a hose rub up against the engine or radiator. Easy install with zip ties included if needed.

This is a great solution to what is sometimes a nagging problem. This heavy duty and flexible and adjustable plastic spacer can be put on the top or bottom radiator to prevent chafing in and area where it might come in contact the the engine or the radiator.

$96.50

1977 to 1985 Diesel Engine Critical Coolant Service Kit

So often neglected - yet critical to preventing pre-mature or catastrophic engine failure!

Why is this so important? It is primarily due to the age of these cars now and the fact that lurking problems can be hidden from visual inspection. There is not ONE diesel that Kent has looked at in the last five years that does not need this service! Even ones with under 150,000 original miles.

$7.80

M116 M117 Damaged Cylinder Head Bolt Removal Tool

Can remove 1970 to 1990 V8 R107 W116 and W126 head bolts where the hex hole has been rounded out.

Planning to replace the head gaskets on your older v8 engine. You should have this tool on hand before you start. You don't think so? Watch the video and then decide.

$105.00

1968 to 1987 4, 5 and 6 Cylinder Diesel Engine Prechamber Removal Tool

61x tool: For OM615, OM616, OM617, and early OM 601 and OM603 through 1987 only.

Version 4 update 2/22: New color and style but still does the same job. This is one of the key tools you will need to remove stubborn pre chambers from the cylinder head of your old diesel engine.

On Demand Video
$8.99

Diesel Harmonic Balancer Installation Tips and Tricks - On Demand Video

Did you forget to mark it before removal? Can't see down there to align it properly? Not sure about the bolt and washers? This video will HELP!

This video ONLY covers some of Kent's "tips and tricks" on installing a harmonic balancer back onto the front of the crankshaft on an old Mercedes engine. The specific procedure was filmed while doing a front crank seal replacement on a 1983 240D.

$19.00

40 Piece Silicone End Cap and Plug Set - Amazing Uses!

Push them over a hose and they act like a sealing end cap. Turn them around and push into a hole to act as a plug. Cut in half - use one piece for a splice between hoses.

We starting using some of these to plug brake lines while changing out calipers. Then we started using them on fuel and oil hoses. Now we are using them all over the place and keep finding new uses for them on a monthly basis. These are a MUST HAVE! Watch the video below to become a believer!

$68.50

Kent's Custom Gas Engine Front Crank Seal Race Removal Tool

For most 4 cylinder, 6 cylinder and V8 engines from 1963 to 1985. Made to remove the race on the end of the crankshaft when replacing the front crank seal.

Kent modified this puller and developed a procedure to remove the front crank seal race so the job could be affordable from the DIY mechanic. This costs less than half the cost of the factory tool.

$98.00

1981 to 1985 V8 Bremi O.E. Ignition Wire Set

Most of the 380 and 500 V8 engine of this era desperately need their wires changed!

These are the best wires you can get for your 1981 to 1985 380SL 380SLC 380SE 380SEL 380SEC and 500SEL. The coil wire is included. Consider replacing your cap, rotor, and CORRECT spark plugs at the same time. See related products below:

$4.20

Diesel Compression Tester Replacement Sealing Washers

You will need extras if you plan to do multiple compression tests

When doing a compression test you must properly seal the inner surface of the pre-chamber with the fuel injector hole adapter. Copper washers work the best for this to ensure a 100 percent seal. Do not use the engine's heat shield washers.

On Demand Video
$3.99

Diesel Compression Test Set-Up Tips - On Demand Video

Applies fully to 1978 to 1985 turbo diesels and applies partially to other Diesel engines from 1961 to 1985

In this video Kent will share some set up tips as well as explain what is in the compression tester and an overview of how it is used. 

On Demand Video
$12.99

Front Crank Seal Race Removal and Replacement - On Demand Video

Applies to many gas and Diesel engines from the 1960s through the 1980s

This video will show you how to remove the front crank seal race using the factory tool and using Kent's custom puller. It will also demonstrate a very easy way to install a new replacement race before installing a new seal.

$62.50

Kent's Custom Diesel Front Crank Seal Race Removal Tool

For OM615 OM616 and OM617 Diesel engines from 1968 to 1985. Made to remove the race on the end of the crankshaft when replacing the front crank seal.

Kent modified this puller and developed a procedure to remove the front crank seal race so the job could be affordable from the DIY mechanic. This costs less than half the cost of the factory tool.

$3.85

Air Filter Cover Wing Nut x 2

Fits many gas and diesel models in the 1970's and 1980's with center stud in air filter housing

Two new wing nuts. These have wider wings so they are easier to loosen and tighten. Replace the nut that most people install after the wing nut has been lost!

PDF
$14.95

Preventing Catastrophic V8 Engine Failure .pdf Download - by Kent Bergsma

PDF Download - Preventing Catastrophic V8 Engine Failure Manual

PDF DOWNLOAD FINALLY AVAILABLE of our popular 'Preventing Catastrophic V8 Engine Failure' Manual!! 

 Applies to the following chassis: 111, 108, 109, 107, 116, and 126. Includes 3.5, 4.5, 350, 380, 450, 500, 420, and 560 V8 engines from 1970 to 1991.

$46.00

Gas Engine Compression Test Kit with Video Instructions

MOST IMPORTANT STE[P when doing an engine physical exam. Applies to all gasoline Mercedes passenger car engines from the 1950's through the 1990's - Free extra video and supplies included.

Doing a compression test is one of the best ways to determine the internal health of your gas engine. This is a primary test for doing a physical examination.  You want to do this on any old Benz before spending a lot of money to get the engine running right or before restoring your car.

On Demand Video
$3.99

Spark Plug Do-It-Right Installation and Cleaning Tips - On Demand Video

These instructions will apply to all gasoline engines that use standard sized spark plugs.

You might be surprised to realize you spark plug holes need cleaning - and yes some REALLY need cleaning! This 5-minute video will demonstrate Kent's method of cleaning the threads in the cylinder.

On Demand Video
$9.99

Early V8 Engine Compression Test Procedures - On Demand Video

30 minute Instructions apply all M116 and M117 engines from 1970 to 1991. Principles also apply to 4 and 6 cylinder gas engines during that same period.

This video will walk you step-by-step through the proper procedures for doing a full compression test on your older V8 Mercedes Engine.

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