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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.

On Demand Video
$2.00

How to Repair Old Mercedes Diesel Broken Vacuum Booster Line T Fittings

Part of Kent's $2 tip video collection. The tip will only cost $2 but you could save considerable money and grief by watching this video.

Here is an easy DIY tip to repair a broken vacuum hose nipple on your main vacuum line running from the vacuum pump to the brake booster on the older diesel engines. $2TIP

On Demand Video
$8.00

How to Adjust That Troublesome Little Screw on you 1976 to 1993 C.I.S. Fuel Injected Engine That Won't Run or Run Right

Part of Kent's $8 troubleshooting and repair video collection. The video will only cost $8 but you could save $ hundreds and much grief by watching this video.

This video applies to both K-jetronic and KE-jetronic fuel injection engines on Mercedes from 1976 to 1993.. Let's say you just acquired an old gas engined  Mercedes and you just can not get it to run right and or even get it to start.

$6.00

Tall Shoulder Inside Short 13 mm 12 Point 3/8 in Drive Sockets x 2

Who doesn't need an extra 13 mm? Quality U.S.A. made. You will love the tall internal shoulders for ease of use.

Nice to have a few extra 13mm sockets around. This is the first tool that gets lost when working on old Mercedes. The tall shoulder inside helps to hold the nut or bolt in a position to make it easier to start the threads.

$38.00

Older Mercedes Maintenance Special LONG Wrench Set

10mm - 13mm - 14mm - 17mm are the most common fastener sizes and these are unique for special uses.

ONLY ONE SET AVAILABLE. Three of these wrenches are made by Gearwrench. You get a very long standard combination 13mm wrench, a long 10mm with a racheting box, a very long 17mm with a ratcheting box, and finally, a very long 14mm combination wrench made by Urrea.

On Demand Video
$1.99

How to Remove the SLS Hydraulic Pump Center Section - On Demand Video

New procedure 5/8/23 with a revised tool. This is an addendum to the full pump reseal instructions.

This is a short addendum to the full instructions on resealing an SLS hydraulic pump. This will now be included with the reseal kit. Disregard the old method mentioned elsewhere

On Demand Video
$16.99

How to Test the EHA Valve on Bosch KE-Jetronic Fuel Injected Engines - On Demand Video

Factory training manual procedure followed step-by-step. You will be surprised by what Kent found on this 560SL engine.

In this 13-minute CIS training video, Kent will walk you through the steps recommended by Mercedes Benz to fully test the operation of the EHA valve on 1984 to 1993 4, 6, and 8-cylinder engines with KE-jetronic fuel injection.

$52.00

KE-Jetronic Fuel Injection Troubleshooting Multimeter w/ Special Attachments

Free on-demand video included on testing the EHA valve and related circuits. Kent believes this is the best tester for the buck.

This high-quality meter can test all types of automotive electrical circuits, but Kent has discovered it is particularly well suited for testing Bosch KE jetronic fuel injection components on those CIS models from 1984 to 1993. Extra adapter fittings are included as shown.

$12.80

Black Plastic Oil Filter Cap Wrist Saver

For many models from 1986 up through 2006. Why is it soooo hard to get these oil caps off!!!

Kent finally got so frustrated trying to get these oil caps off that he came up with this new tool he chose to call the wrist saver. Watch the video to see this unique tool in action.

$8.00

Electric Fuel Pump Electrical Wiring Boot - Set of 2

Used on most electrical fuel pumps from 1976 to 1993. Also used on some cold start injectors.

Often rotten and torn. Replace with new when working on your fuel delivery system. PLEASE NOTE: These are included when you purchase any of our fuel pump delivery kits. 

On Demand Video
$6.99

Bosch CIS Training Series 6: Finding Follow-up Information to Help Interpret Test Results

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

After completing the pressure test on your CIS engine, you discover a problem. But how can you find out how to isolate and fix it? This is going to require some research on your part. Start by learning how the system works and how each component plays a part.

On Demand Video
$14.99

Bosch CIS Training Series 5: How to Hook Up and Test KE-Jetronic Fuel Pressure

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

In this video, you will see how the gauges are hooked up to a 560SL and how the pressures are read.  The length of this 30-minute shows the detail Kent has put into filming all the critical components of doing a KE-Jetronic fuel system pressure test.

On Demand Video
$14.99

Bosch CIS Training Series 4: How to Hook Up and Test K-Jetronic Fuel Pressure

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

This video is specific to K- jetronic fuel-injected engines from 1976 to 1985. This includes the 350, 450, and 280 engines in the R107, W116, W123, and early W126 gas Mercedes. In this 29-minute video. Kent will show you how to hook up the gauge, run the fuel pumps, and complete the test.

On Demand Video
$12.99

Bosch CIS Training Series 3: How to Do Preliminary Fuel Flow and FD Leak Tests

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

There are a few factory recommend procedures and tests you should do before you do an actual pressure test on a CIS fuel-injected engine. In this 20-minute training video, Kent will walk you through these procedures step-by-step.

On Demand Video
$10.99

Bosch CIS Training Series 2: Options to Get Fuel Pumps to Run with Engine Off

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

To do proper system testing on CIS fuel injection, you must find a way to get the fuel pump or fuel pumps to run continuously without the engine running. This can not be done by just using the ignition key. In this 15-minute training video, Kent will show the options available to do this.

On Demand Video
$6.99

Bosch CIS Training Series 1: What’s Needed to Test K-Jet and KE-Jet Fuel Pressure

For 1976 to 1993 Mercedes with gasoline fuel injected 4, 6, and 8-cylinder engines

This video will help you decide if you want to try to do a fuel pressure test yourself. It is a fairly simple DIY job but will all the confusion and misinformation on the internet; one would believe it is a complicated process that is hard to understand.

$36.00

Fuel Pump Relay Switch Jumper Lead (s) for Pressure Testing K and KE-Jetronic Fuel Injection

For single and dual fuel pump system 1976 to 1993. NOW 14 feet in total length with an on /off safety switch - allows you to run the pump or pumps with the engine off FROM the battery all the way back to the fuel pumps under the back of the car.

PLEASE NOTE: Wire color may be all red or all black (depending on stock on hand) Performing some fuel pressure tests on your K-jet or  KE-jet engine

$189.50
Currently out of stock.

Bosch CIS Fuel Injection Pressure Tester w/ Extras

SOLD OUT - No Longer Available. Kent now offers a "short" kit so you can build your own and save $$. See related products below

If you own or are restoring a CIS fuel-injected Mercedes, a pressure tester is a must-have! This complete kit is not available, but now you can build your own. SEE related products below to purchase.

$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. 

$24.50

Brake Master Cylinder Air Bleeding Kit with FULL Video Instructions

This bleeder kit is primarily for bench bleeding in a vise but can also be used to bleed an air-locked master cylinder on the car. Custom wrench included.

This procedure is a must do anytime you install a new master cylinder or allow fluid to completely leak out of your master cylinder.

On Demand Video
$10.99

Master Cylinder Removal, Bench Bleeding, and Replacement Instructions - On Demand Video

Covers most master cylinders 1968 to 1995. Learn to do it right with minimal loss of fluid and mess.

In this 30 minute instructional video Kent will use a 1972 300SEL 4.5 to show you how to remove the master cylinder with minimal spillage, how to install the tank and bench bleed a new master cylinder, and how to reinstall it with minimal brake fluid spillage while protecting your car's paint. 

$8.90

Fuel Hose Special External Coil Wire to Prevent Kinking and Chaffing

Can be cut to 4 to 5 smaller lengths and stretched for various applications on 7mm, 7.5mm and some 8mm internal diameter fuel hose.

This can do amazing things for your new fuel hose installaton on your old Benz engine. Watch the video to learn more. Sold individually in approximately 6 inch lengths.

$38.75

1977 to 1983 280E 280CE 280TE 280SE 280SL Fuel Injector Seal Replacement Kit

Seals only as shown. Complete kit with injectors available below:

If you are removing and replacing your M110 fuel injectors these are the seals you should have on hand. Always replace the rubber seals. I know it is possible to reuse the plastic sleeves but many times they are brittle and will be damaged upon removal.

On Demand Video
$4.99

How to Test Your Fuel Accumulator - ON DEMAND VIDEO

Has your rear-mounted fuel accumulator failed on your 1976 to 1993 K-Jetronic or KE-Jetronic fuel system

In this 9 minute instructional video, Kent will explain how to test your fuel accumulator to determine whether or not it has failed internally. A failed accumulator will make your engine hard to start when hot.

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.

$16.75

W116, R107, W123 and W126 Tail and Running Light Bulb Assortment

Fits almost all models from 1973 to 1991. Assortment of 14 bulbs. Name brand Hella, Osram, or Phillips bulbs

Assortment includes 6 single-element brake and turn signal bulbs, 4 dual-element bulbs for the front marker lights, and 4 small tail light bulbs. Good idea to carry this assortment in the trunk of your car. 

$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.

On Demand Video
$9.99

How to "Jump" the K-jet Fuel Pump Relay During System Pressure Testing - On Demand Video

Kent will explain why you need to jump the relay and demonstrate the unique long and switchable jumper lead set-up he designed

In this 10 minute instructional video Kent will explain why you want to "jump" your K-jet fuel pump relay, how to do it, how to find the location in you car, and why he prefers to have a long "switchable" jumper.

On Demand Video
$14.99

K-jet Warm Up Regulator Modification: External Pressure Adjustment - On Demand Video

Kent will demonstrate how to drill and tap the cold start adjustment pin so you can adjust it without having to take WUR apart again and again.

This xx minute video will take you step by step through the process of modifying your warm up regulator so you will be able to easily make adjustments to your cold start control pressure.

$24.80

20 Piece Interior Light Bulb Replacement Kit

For most Mercedes from the Mid 1970s to the Early 1990s

Assortment of new interior bulbs as shown. These light up your dash, center console, glove box and shifter ( on some models).

Assortment includes the following:

$28.75

K-jetronic Warm Up Regulator Cold Start Modification Kit w/ Video Instructions

A good mod to make if you are rebuilding your WUR. Will allow you to adjust cold start pressure up or down without having to take the unit apart repeatedly.

Before you make this modification you should be very familiar with the function of the WUR and how its pressure adjustements affect the performance of the K-Jetronic fuel injection systems. The tools and supplies offered in this kit will allow you to modify your warm up regulator at home and it y

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.

$6.80

Fuel Tank Screen Seal 0-Ring Genuine O.E.

Fits most fuel tank filter screens from 1973 to 1995 All W116 R107 W126 W123 W124 and W201

New Mercedes o-ring as shown. Always replace this seal when removeing and cleaning your fuel tank strainer ( screen ).

On Demand Video
$29.99

How to Install New Fuel Injectors on a 1981 to 1991 V8 Engine - ON DEMAND VIDEO

For 380SEC, 380SL, 380SLC, 380 SE, 380SEL, 500SEL, 420SEL, 560SEL, 560SEC and 560SL from 1981 to 1985 with CIS fuel injection

This 33 minute video will instruct you on how to replace the fuel injectors in your 8-cylinder M116 engine safely and efficiently.  This is a fairly straightforward job, but there are some pitfalls you will want to avoid.

$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. 

$9.75

Custom 17mm Crowfoot Wrench for Bosch Hand Primer Pump

This is the bench to safely remove and install this style of hand primer pump. It will not damage the aluminum housing nut.

We modify this wrench right here in our shop. If a picture is worth a thousand words, what is a video work. Watch the following for a full explanation.

$298.00

1981 to 1985 380SL 380SEC, 380SE, 380SEL Fuel Injector Replacement Kit

Includes new GENUINE Bosch fuel injectors, new injector holders, new seals, and new evaporator air hoses, cleaning supplies and full detailed video instructions

Why change K-jet injectors when "they are working?"  Why change shocks when they feel ike "they are working." The deteration is very slow over time and you may not notice the difference in how the engine starts, runs, accelerates, and delivers mileage until you do this service!

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