Parts for Detroit Diesel ® engines,
Twin Disc ® Marine Transmissions,
Allison Marine, Engine Gauges
and Marine Gauges.
Detroit Diesel parts,Detroit Diesel enignes Engine gauges,marine gauges,oil pressure gauge,temperature gauge,water level gauge,ammeter,voltmeter,hourmeter
Twin Disc parts,marine gear,marine transmission,clutches Allison MH parts,marine gear,marine transmission,Allison M part Marine accessories,life vest,life floats,searchlights,engine control cable,naval brass bearings,cutless bearings,bilge pumps,marine siren,windshield wipers,battery charger,starter button and

Parts for Detroit Diesel ® Engines, Twin Disc ® and Allison Marine Transmissions

Since August of 1989, Diesel Pro Power has become the largest and friendliest end-user direct online distributor of premium parts for Detroit Diesel ® engines, Twin Disc ® and Allison marine transmissions as well as diesel engine gauges.

Parts to repair, maintain, rebuild or overhaul your new, rebuilt, or used Detroit Diesel ® engines are found on this site.  In our parts for Detroit Diesel engine section we carry thousands of new parts for 53, 71, 92, 60 and 149 series.  Find  cylinder kits, cylinder heads, water fuel and oil pumps, injectors, intercoolers, oil coolers, blowers, crankshafts, camshafts,  and all other parts for Detroit Diesel ® engines.

Detroit Diesel ® marine or bus engines and Detroit engine parts are not all we carry.  We stock parts for 2 and 4 cycle Detroit Diesel ® truck engines, Detroit Diesel ® generators, Detroit Diesel ® agricultural engines, Detroit Diesel ® mining engines and Detroit Diesel ® pump engines.  We service Detroit Diesel ® engines 3-53, 4-53, 6V53, 8V53, 2-71, 3-71, 4-71,6-71, 6V71, 8V71, 12V71, 16V71, 6V92, 8V92,  12V92, 16V92, 8V149, 12V149, 11.1, 12.7 and 14L.  Let us surprise you with how easy it is to find all parts for Detroit Diesel ® engines.  The Most Reliable Way to Buy Detroit Diesel Engine Parts Online!

Overhaul Parts for all Twin Disc ® marine transmission are just a click away.  Quickly and easily find the most commonly used parts to service, repair new, rebuilt or used Twin Disc ® marine gears such as: mg502, mg506, mg507, mg5050, mg5061, mg5075, mg509, mg5090, mg5091, mg5111, mg514, mg5114, mg518, mg521, and mg527.  Being the largest end-user direct replacement parts distributor in the USA Twin Disc ® marine transmission parts, you can count on our 24hr worldwide shipping of overhaul plate kits, gasket and seal kits, oil coolers, filters and much more.


The Allison marine transmission exclusively manufactured for Detroit Diesel marine engines comes in 2 models, M and MH. The Allison marine transmission M is the earlier version and comes in sub-models representing the available ratios. The are M15, M15L, M15R, M20, M20L, and M20R. The letter M is for model M. 15 if for ration 1.5 to 1. L or R is for transmission rotation. L for left hand rotation and R for right hand rotation. The Allison marine transmission MH, a heavier duty marine gear that comes in the following sub-models representing the different ratio options MH20, MH20L, MH20R, MH45, MH45L, and MH45R.

Find the most critical heavy duty mechanical and electrical gauges that work with diesel engine in marine, industrial, and truck applications gauges at distributor direct pricing. Engine oil pressure gauges, water temperature gauges, tachometers, ampmeters, voltmeters, hourmeters, water level indicators made to cover the most demanding applications.