601 602 603 Diesel Belt Tensioner Pulley
New belt tensioner pulley. Common cause of noise at front of engine when bearing starts to go. Should be replaced at 120K as a preventative measure.
Kent's Factory Service Manuals collection is going on sale now. CLICK HERE.
New belt tensioner pulley. Common cause of noise at front of engine when bearing starts to go. Should be replaced at 120K as a preventative measure.
New Bremi distributor rotor fits models listed above from 1986 to 1991. Check yours now for heavy burn marks or arcing.
New Bosch distributor cap fits models listed above from 1986 to 1991. Check yours now for cracks or arching.
Excellent used diesel fuel check valve for four and 5-cylinder diesels from 1977 to 1985. This valve is mounted inside the injection in line going to the filter. When this check valve leaks, it causes a hard start in the morning due to low fuel pressure during the initial start-up.
New intake manifold gasket between head and manifold. You should consider replacing this gasket when you remove your manifold to replace the glow plugs. Fits all 603 6 cylinder diesel engines from 1986 to 1995.
New Bosch pre-pump that mounts on side of injection pump. This is what makes your 60x. engine self priming and delivers fuel pressure to the injection pump.
New heavy duty water pump complete with gasket that fits all 190D 2.5, 124 chassis 300D, 300TD and 300D 2.5, 126 chassis 300SDL and 350SD and SDL, and 140 chassis 300SD and S350D. No instructions at this time.
This is that hard to find plastic inspection / access cover that goes on the underside of your 617 turbo diesel engine. Most of the time it is cracked or missing allowing dirt and oil to get into the flywheel area. Easy remove and replace. It just snaps in the hole.
New Graf Water Pump with seals. Do not go to the trouble to replace your 103 engine water pump and buy a cheap after-market brand.
New set of upper and lower radiator hoses that fit 1981 to 1985 300SD, 1981 to 1985 300TD, and 1982 to 1985 300D and CD (turbo engines only). NOTE: Does fit SOME late-model 240D.
This is the number one cause of a sharp engine rattling noise at idle on the early 602, 603 and 604 engines. It is not that the shock goes bad, but the bushings car wear out prematurely due to harsh vibration and the ends of the shock will make a terrible noise inside the loose bushing.
Fits 116, 123, AND 126 with 5 cylinder turbo diesel engine only. This is a common failure item. The plate adjusting bolt often gets damaged beyond repair. This is often damaged due to lack of understanding how to adjust belt tension.
New Genuine Mercedes engine shock bushing kit. Helps to reduce engine shake and vibration. Fits all 300SD both 116 and 126 from 1978 to 1985.
If you also need the engine shock look below to order.
New Stabilus engine Shock. Helps to reduce engine shake and vibration. Fits all 300SD both 116 and 126 from 1978 to 1985.
If you also need the mounting bushings and hardware kit look below to order.
This is a very important maintenance item for all 116 and 123 chassis 617 5 cylinder turbo diesel owners.
This is the unit that keeps your serpentine belt properly tensioned. This is a common part to see wear out in the 120,000 to 150,000 mile range. When it does, your belt will become loose leading to belt noise, overheating, and poor alternator output.
We only believe in using OEM ContiTech belts for your 103 engine. This new belt will install on 190E 2.6 to 1989, all 260E and 300E 1986 to 1989, 300TE 1988 to 1989, and 126 300SE/L Sedan 1988 to 1989.
For other years and models of the 124 chassis please use our contact page.
In stock and ready to ship. New aftermarket fan clutch replacement for 113,111, 108 and 109 chassis gas engines from 1968 to 1973, all 114 and 115 gas and diesel, all 123 gas and diesel engines 1977 to 1983 and 1981 to 1983 126 300SD.
New silicone waste gate hose that fits all 617 turbo diesels. This includes the 300SD, 300D turbo, 300CD turbo and 300TD turbo 1978 to 1985. common wear item. This hose is often replaced with a standard rubber hose or fuel hose. That will not stand up to the heat of the turbo.
Fits all GAS ENGINE exhaust systems for W107, W116, W126, W124 and W201 chassis from 1972 to 1995. Gas engine exhaust systems are generally heavier and run hotter than diesel engine exhaust systems. This is a wider and more heavily reinforced exhaust hangar than the standard round type.
New head gasket set. Fits all 5 cylinder TURBO diesel engines only from 1978 to 1985 including 300D, 300CD, 300TD and 300SD. Comes complete with all gaskets only as shown in the picture. Valve stem seals, chain tensioner gasket, thermostat housing gasket, and valve cover gasket are NOT included.
Replace your old worn and weak expansion tank cap to eliminate minor coolant loss problems. Watch the video below as Kent will explain the difference in caps and why you want to make sure you purchase the correct one.
If your pan plug is worn, leaking or rounded off, dont fight it anymore! Buy a new pan plug and copper sealing ring and stop those unsightly oil drips now. This is the small 13 mm head factory pan drain bolt that came on 240D, 300D, 300CD, 300TD and 300SD from 1974 to 1985
If your oil cap is leaking oil or you find it very hard to remove then it is best to replace it. This new OE cap with fit all gas and diesel model engines from 1984 to 1993.
For 200D 220D 240D 300D 300CD 300TD 300SD to 1985. This manual is written specifically for the diesel owner who wishes to know more about his engine and to understand how to tune and adjust it for maximum performance.
This "permanent" red threadlocker is probably the best that I have used. It has the best sealing cap and cures rapidly and reliably when confined between metal parts. Use it to lock threaded fasteners, nuts, bolts and screws from loosening.
Excellent used pre chamber as shown for OM 617 turbo diesel engines ONLY. If your diesel engine is running rough with excessive smoke and you have tried everything else it could be your engine's pre-chambers are damaged.
For use on all*** Mercedes diesels 1959 to 1993. BUT PLEASE NOTE THERE ARE SOME LIMITATIONS ON THE LATER MODELS. Test compression on 110, 115, 116, 123, 126, 201,124 AND 140 chassis. Almost ALL models up through 1987 can be tested through the fuel injector hole.
Fits 123 Chassis 300D, 300CD, and 300TD TURBO ONLY 1981 to 1985 and 116 and 126 300SD models 1978 to 1985 with 5 cylinder TURBO diesel engines. If your 5 cylinder turbo diesel has more than 200,000 miles on it without any major work, it most likely needs new valve stem seals.
FITS THE FOLLOWING: 116,123,126, 5 cylinder turbo diesels with an air filter on the engine, from 1978 to 1985. Fix that rattling air cleaner housing now.
FITS THE FOLLOWING: 123, 126 Chassis 300D 300CD 300TD 300SD (from 1981 to 1985) with 617 5 cylinder turbo diesel engines. Have you noticed your Mercedes diesel sedan is recently shaking more at idle? Maybe you are noticing new vibrations that were not there before.
Fits 116 123 and 126 chassis diesel engines from 1977 to 1985. This includes the 240D, 300D, 300TD and 300D/300SD turbo engines. This short coolant hose is located right below your engine thermostat housing. Replacing it requires removal of the thermostat housing from the cylinder head.
This kit fits ALL 116, 123 and 126 4 and 5 cylinder diesels, 616 and 617 designation. This is one of the most common oil leaks on the older Mercedes diesels from 1977 to 1985. It is often found at the gasket between the engine block and the oil filter housing.
Fits all 123 and 126 chassis and later R107 as noted above - both gasoline and diesel models. It may fit a few other models as well but you MUST measure your old hose before ordering. We also carry the 15mm hose for most of the older models. See related products below:
FITS THE FOLLOWING: all 116 300SD from 1978-1980, R107 chassis from 1977 to 1989, 123 chassis both gas and Diesel from 1977-1985 and 126 chassis both Gas and Diesel from 1981 to 1991. Also 124 Chassis 260E 300E 300TD 300D 2.5.
ALERT! ALERT! 10 years after I first started warning about this, I saw it again in my shop on Feb. 20, 2011. Seems to be happening even more now as these radiators age. I loosened up the upper hose clamp on this 123 300TD radiator and it just fell off.
FITS THE FOLLOWING: All models PON, FIN, P55, 110, 111, 112, 113, 108, 109, 114, 115, 107, 116, 123, 124, 126, and 201 chassis. Here is my all time favorite gasket maker and sealant. You may already know how I feel about RTV silicone products (I think they should be outlawed!).
FITS THE FOLLOWING: 115 116 123 and 126 chassis, from 1974 to 1985 with all 4 and 5-cylinder diesel engines. .This is a super important maintenance item for your diesel engine.
Fits W115 W116 W123 and W126 5-cylinder both turbo and non-turbo diesel engines from 1975 to 1985. Check yours for staining around the gasket. Also, check nuts for tightness. These symptoms may indicate a leak. This is an important maintenance item.
Fits 123, 126 and 116 chassis 5 cylinder diesel engines from 1977 to 1985. This valve cover is in good condition with no cracks or heavy corrosion.
Fits 115, 116, 123 and 126 5 cylinder diesel engines (both non-turbo and turbo) from 1975 to 1985. These should be changed every time you remove your valve cover for valve adjustment or other maintenance. Stock up now for a great price on a set of 3.
FITS THE FOLLOWING: All Mercedes Diesel engines from 1977 to 1985 except 190D. This includes 123, 116, and 126 chassis 240D 300D 300TD 300CD and 300SD. Here is a chance to pick up all those most used diesel engine service parts in one kit for one great price.
FITS THE FOLLOWING: all 123 and 126 chassis, Idle Stabilizer For 1981 to 1985 Turbo Models only 300D 300CD 300TD 300SD.
Fits all W116, W123, and W126 Turbo Diesel 5 cylinder 300D and 300SD engines from 1981 -1985 as well as M110 6 cylinder engines from 1977 to 1985. This is a brand new Lower engine Oil Pan and Gasket. Remove and inspect your oil pan if it has been badly dented.
Here is another diesel item I strongly believe should be replaced as a preventative measure. Water pumps do not last forever and when they go, it is usually when you are on a trip - right? I feel they should be changed every 100,000 miles.
The Monark brand is no longer made. The Bosch pump is hard to find. This is the best alternative we can provide. For older models with primer pump mounted on the injection pump.
FITS THE FOLLOWING: all 115, 116, 123, and 126 chassis with 5 cylinder engines. Always replace that valve cover gasket every time you adjust the valves (every 12,000 to 15,000 miles). Will keep those unsightly oil leaks around the valve cover at bay.
Fits 124 201 126 Chassis with M103 engine only, including 190E 260E 300E 300TE 300CE 300SE and 300SEL . These are the current plugs Kent recommends for this 6 cylinder gas engine.
Fits All 115, 116, 123, and 126 5 Cylinder Diesel engines. This kit comes with (4) brand new fan clutch bolts that we source and custom machine here in our shop.
Fits 116, 123 and 126 chassis diesel 1977 to 1985 only. 240D 300D 300CD 300TD 300SD 1977 to 1985