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On Demand Video
Cleaning and Detailing a Mercedes Engine Compartment- On Demand Video Instruction
$4.99

Extreme Detailing Part 4: Cleaning and Detailing an Engine Compartment Safely - On Demand Video

Kent will show you how to get it super clean with minimal water and overspray

In this 14-minute video instruction, you will get to see how Kent cleans and details an engine compartment in a W210 E430 using his favorite chemicals and techniques. This includes using less than a gallon of water and controlling the spray rinse so you protect sensitive electrical components.

$134.50

OM617 Turbo Diesel Engine Timing Chain Tensioner

Turbo models only 1978 to 1985 300D 300TD 300CD and 300SD

Brand new Febi Bilstein part. WARNING: Must be installed properly or damage can occur to the timing chain and sprockets. Kent always recommends you replace the tensioner when you install a new timing chain. NO INSTRUCTIONS. Instructions do not come with this part.

$8.95

Anti Corrosive Gel for Magnesium and Aluminum

For protecting clean and bare aluminum and magnesium engine parts

Kent has been working a long time to find a way to stop the ugly corrosion on aluminum and magnesium engine parts. Particularly valve covers and intake manifolds.

$30.99

Gas Engine Spins But Won’t Start - Video Class with Kent Bergsma

Watch all seven videos in this series - and learn how to get your gas Mercedes starting and idling better.

Too many emails on this subject pretty much forced Kent to do this almost 3 hour long video class. If you are having problem starting your old 1976 to 1993 Mercedes with Bosch C.I.S. fuel injection this is a must see.

$29.50

Custom Made Large Angled Head Clamping Tool

Multiple uses for hose removal, assembly, and holding parts safely for cleaning and polishing.

This is one of Kent's favorite tools around his shop. It is used almost daily. The tool rose out of a need to be able to safely hold fuel inectors while cleaning when with a large high speed wire wheel. No tool like this is availabe so it had to be built in our shop!

$12.25

Garrett T3 Turbocharger Compressor Housing Gasket

Fits Garrett Turbo chargers only 1978 to 1987 - 300D 300CD 300TD 300SD and 300SDL

This is the highly specialized paper gasket that seals the center section forward bearing plate to the compressor wheel housing as shown below:

On Demand Video
$5.99

No Cost Steps to Fixing an Engine's High Idle Speed Problem - On Demand Video

Kent is always amazed at how often it is the simple things! You won't believe how easy it was to fix this engine!!

This video will be an excellent example of how to save big $$$ doing the work on your own car. If your gas engine is idling too fast in neutral it could be an expensive problem, but in many cases it is due to lack of maintenance over a long period of time.

On Demand Video
Broken Radiator Neck - On Demand Video
$16.99

Repairing a Broken Plastic Upper Radiator Neck - On Demand Video

With the right products and procedures this can be safely done in most cases

Kent starts out the video talking about prevention by using the neck reinforcement kit he has been selling for years. In the case of his own 1990 300SL the neck had not been reinforced and it broke cleanly right in the middle.

On Demand Video
Mercedes Blown Diesel Engine - On Demand Video
$8.99

What Caused an OM 617 Turbo Diesel to Destroy Itself - On Demand Video

# 2 cylinder connecting rod broke in half and blew out the side of the block in a 300SD!

Want to find out what caused the catastrophic destruction of an OM 617 5 Cylinder turbo diesel engine? These engines are known for being indestructable so something really bad had to happen.

$38.50

1977 TO 1985 Diesel Upper Timing Chain Guide Rail - USED

Fits OM616 and OM617 diesel engines 240D, 300D, 300CD, 300TD and 300SD

This upper guide rail is no longer available new. If yours is cracked or excessively worn then it needs to be changed when you replace a timing chain. We have collected all the good ones we have which are not very many.

$122.00

OM616 and OM617 Diesel Starter Motor for 1977 to 1984 models

TURBO FAST STARTER: Fits 1978 to 1984 300SD and 1977 to 1985 W123 300D 300CD 300TD diesel engines WITHOUT trap oxidizer

This came off a turbo engine but many don't know it makes your non-turn engine really spin! Excellent used working starter motor. This starter motor can also be fitted to the W123 240D and 300D non-turbo engines to make the engine turn faster for quicker starts in cold weather.

$42.95

24" Measuring Machinist Straight Edge with Protective Sleeve

A must have when working on engines.

When working on automotive engines a long heavy machinist straight edge is a must. This is the best way to tell if the mating surfaces are flat and true. That includes cylinder heads, engine blocks, intake and exhaust manifolds as well as critical sealing metal to metal covers and housings. 

On Demand Video
$8.99

1978 to 1985 Pencil Glow Plug Replacement Instructions - On Demand Video

For 1978 to 1985 300SD and 1980 to 1985 240D, 300D, 300CD and 300TD

Pencil (parallel style) glow plugs usually fail slowly over time. The first signs are rough running after startup. Then you may see a flashing glow plug light on your dash. If ignored over time you engine may not start at all.

$92.00
Currently out of stock.

1981 To 1985 5 Cylinder Turbo Diesel Oil Cooler - USED

You weld replacement fitting and save! For turbo 300D 300CD 300TD and 300SD - All gone!

Not ready to install on your car. You will need to get the lower fitting replaced by cleaning and welding.

$135.00

617 TURBO and Late 240D Diesel Aluminum Alternator Mounting Bracket

NEW BOTTOM BOLT INCLUDED: Not corroded: Fits 1978 to 1985 300SD and 1982 to 1985 240D 300D 300CD and 300TD - Last one we have.

Last one we have. An excellent used bracket that bolts to the engine block to mount the alternator. The bolts in this bracket often get frozen to the aluminum and require cutting. The only solution is to get another bracket as shown here. Not difficult to install.

$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.

Sale
$225.00

5 Cylinder 617 300D 300TD 300SD Physical Exam Kit

Old Spence Special Specials. Check the Health of your Diesel Engine Yourself - Save BIG $$$

If you are going to buy or have just purchased an older 5 cylinder Mercedes Diesel (1975 to 1985) the first thing you need to do is a good physical exam of the engine. Don't throw money at a car that has a dying engine.

Sale
$218.00

4 Cylinder 220D 240D Physical Exam Kit - Check Engine Health

Old Spence Special Specials. You can save thousands $$ by doing this yourself and catching problems early.

If you are going to buy or have just purchased an older 4 cylinder Mercedes Diesel the first thing you need to do is a good physical exam of the engine. It is even better to do this BEFORE you purchase the car to prevent surprises and pain in your wallet.

Sale
$106.00

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

Old Spence Special Specials. 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. 100 percent made in the U.S.

Sale
$325.00

4 Cyl 220D 240D 190D DIY Fuel Injector Rebuild Kit

Old Spence Special Specials. This kit has the right stuff you will need to rebuild your diesel fuel injectors yourself in your own garage!

5/25/22 update: The precision nozzles are now  made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Yes!

$18.95

617 Turbo Diesel Air Cleaner Rubber Mount Heat Shields ( Set of 3 )

These can help prolong the lift of the rubber mounts under your air cleaner housing

These steel cupped heat shields go under the rubber mounts to help deflect heat and grease away. In most cases (unless your engine is severely shaking) they will prolong the life of the rubber mounts.

On Demand Video
Step-by-Step Diesel Purge Instructions - On Demand Video Instruction
$8.99

Purging a Diesel Engine Fuel Delivery System Step-by-Step - On Demand Video

How to use the best medicine for sick diesels to perform a proper diesel purge

Rough running diesels abound everywhere. The symptoms include poor acceleration, no power, and excess exhaust smoke. Some times these can be a sign of real problems. Other times it may mean your fuel injection system just needs a good cleaning. And NOTHING cleans better than Diesel Purge.

$39.95

Early Diesel Pre-glow Chamber Carbon Reamer - Designed by Kent Bergsma

For 1961 to 1979 190D 200D 220D 240D 300D 300CD 300TD with Series Style Glow Plugs

This custom reamer designed and built by Kent Bergsma in our shop is the only one like it in the World. This is truly another first. Now you will be able to ream out that old crusty carbon build-up in your old diesel engine. Thread size matches old series-style glow plugs.  18 x 1.5

5 Cylinder Diesel Series to Pencil FAST Glow plug Conversion Kit
$104.75

Early 300D 5 Cylinder Diesel Series to Pencil FAST Glow plug Conversion Kit

Fits 1975 to 1979 5 Cylinder 300D 300CD 300TD - Better starting performance

WARNING: PLEASE confirm you have the original engine in your diesel BEFORE ORDERING this kit. We keep getting owners ordering this kit only to find out a later model engine has been installed. This happens quite often.

4 Cylinder Diesel FAST Pencil Glow plug Conversion Kit
$88.95

Early 123 240D 4 Cylinder Diesel FAST Pencil Glow plug Conversion Kit

For 240 1977 to 1979 with series glow plugs.

If you own an early 123 4 cylinder diesel then this is a must have diesel engine kit! This glow plug upgrade will do three things that will put a smile on your face: 1. Your engine will start faster and cold idle smoother. 2. Your glow plugs will last longer. 3.

Sale
$34.00

Heavy Duty Carbon Reamer for Pencil Glow Plug Chambers

Old Spence Special Specials. A must-have to increase glow plug performance and extend life.

PENCIL GLOW PLUGS ONLY!! WILL NOT WORK ON MODELS WITH THE OLD STYLE LARGE THREAD SERIES TYPE. For 1978 to 85 300SD Turbos / 1980 to 93 240D / 300D 300TD 300CD 190D 300SD 300SDL 350SDL. When was the last time your glow plug chambers were reamed out?

$16.95

Early Diesel Fast Glow Plug

Upgrade to better glow plugs for 1969 to 1979 220D 240D and 300D

New German made fast heat glow plug designed to replace the series loop tip style glow plugs that were installed in all non-turbo diesel engines up to 1979. These have the large thread built in so they will install directly into the older heads.

Diesel Purge Injection System Cleaner H. D.
$32.50

Diesel Purge Injection System Cleaner kit with Instructions

Receive a Related Bonus-Product FREE! (Can only be shipped UPS Ground)

Can only be shipped UPS GROUND. NO INTERNATIONAL. Extra packaging charges may apply. It some cases it may be shipped in its own box depending on the size of your order and the other products included.

On Demand Video
$2.99

1977 to 1985 Mercedes Diesel Oil Change Procedure the Easy Way - On Demand Video

Do your oil changes yourself to make certain they get done properly with the correct oil!

Doing your own diesel oil changes is not difficult.  Granted you won't save a lot of money, but it will get you to regularly inspect your engine for oil leaks, etc and it will guarantee the job gets done right.

On Demand Video
$4.99

Waking Up An Old Benz That Has Sat For Years Part 1 - On Demand Video

Kent covers what you may have to do first with the engine and fuel system

When an old Mercedes ( or any other car for that matter ) has sat idle for over a year it can be a challenge to get it safely back on the road again. If it has sat idle for more than 5 years you may find it difficult to even get the engine running. 

On Demand Video
$4.99

Abnormal Diesel Engine Noise Troubleshooting - On Demand Video

How to determine if the engine noise is external or internal

Diesel engines make noise. Some ticking and rattling is normal and not something you should be concerned about. Certain loud knocking or rattling noises could be a sign that something bad is happening to the engine, especially if the noise comes on suddenly.

$53.50
Currently out of stock.

123 Chassis 5 Cylinder Non Turbo Diesel Motor Mount Kit

NON TURBO MOTOR MOUNT KIT FITS THE FOLLOWING: 123 chassis 300D 300CD 300TD with 5 cylinder NON Turbo engines, from 1977 to 1981. Have you noticed your Mercedes diesel sedan is recently shaking more at idle. Maybe you are noticing new vibrations that were not there before.

$228.00

617 Diesel Garrett T3 Turbocharger 200K High Performance Overhaul Kit

For 5 cylinder Garrett turbos on 300SD 300D 300CD and 300TD 1978 to 1985

For 5 cylinder Garrett turbos on 300SD 300D 300CD and 300TD 1978 to 1985. Buy the complete kit and save! If your Garrett T3 turbo has over 200K Kent highly recommends you plan on doing the complete overhaul.

$32.75
Currently out of stock.

OM617 Turbo Diesel Injection Pump Delivery Valve Assembly - USED

ONLY TWO LEFT. Fits 1978 to 1985 5 cylinder turbo diesel injection pumps. 300D 300CD 300TD and 300SD

Excellent used delivery valve (not scored) and housing nut that mounts on the top of injection pump. Includes threaded housing, spring, valve body, and valve. A bad delivery valve or valves can cause rough idle, smoke, poor power etc.

On Demand Video
$9.99

Replacing the W123 Turbo Diesel Firewall Mount Throttle Bushing - On Demand Video

This is an easy DIY job. Full video instructions here. You might want to inspect your throttle linkage today

In this 13-minute instructional video, Kent will walk you through the steps of inspecting and replacing the round throttle shaft bushing in your W123 turbo 300D, 300CD, or 300TD. Watch the YouTube video below for an introduction.

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