Chrysler Marine Diesel Engine Parts
We have a small stock of new gaskets and seals, gasket sets and new engine parts,
from old workshop inventory for marine engines.
Including obsolete and hard to find gaskets and parts for marine propulsion and generator engines
including antique and vintage marine propulsion and generator engines.
Delivery is available to Canada, USA, and Worldwide.
Decarb Gasket Set, Upper Engine Gasket and Seal Set, Head Gasket Set, VRS Gasket Set, Valve Regrind Set, includes: Head Gasket, Valve Cover Gasket, Valve Stem Seals, Intake Manifold Gaskets, Exhaust Manifold Gaskets, Thermostat Gaskets, Thermostat Housing Gaskets, Injector Gaskets ( for diesel engines ) , Fuel Return Line Gaskets ( for diesel engines ) , Cylinder Head Plate and Cover Gaskets,
Parts Available: piston rings, pistons, cylinder liners/sleeves, rod bearings, main bearings, thrust bearings, camshaft bushings, piston pin/small end connecting rod bushings, intake valves, exhaust valves, intake valve guides, exhaust valve guides, intake valve seats, exhaust valve seats, valve springs, valve spring retainers, valve spring keepers, injectors, injector nozzles, fuel lines, copper sealing washers, injector seals, head gaskets, exhaust gaskets, water cooled exhaust manifold gaskets and seals, connecting rods, oil pan gaskets, front crankshaft seals, rear crankshaft seals, and some additional parts, contact us for price and availability.
Oversize Pistons and Rings available for some engines.
Bearings for undersize crankshaft journals are available for some engines.
Chrysler Marine Diesel Parts - Engine Parts
CM655 Engine Rebuilding Specifications Dimensions in Inches ( " )
CM655 Naturally Aspirated / Non-Turbocharged and CM655 Turbocharged
Six Cylinder InLine Water Cooled Diesel Engine
Standard Bore Diameter 3.8600" Inch ( 3.8583" nominal )
Piston Ring Axial Width ( piston ring height )
Top Piston Ring .1181"
2nd Piston Ring .0787"
Oil Piston Ring .1968"
Piston Ring End Gap Repair Limit .0591"
Cylinder Liner Protrusion above crankcase top surface: .0043" - .0079"
Compression Pressure 369.81 pounds per square inch P.S.I.
Repair Limit / Lowest advisable Compression Pressure 284.47 pounds per square inch P.S.I.
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Recommended minimum Oil Pressure at Idle 15 pounds per square inch P.S.I.
Recommended Oil Pressure at maximum RPM 45 - 65 pounds per square inch P.S.I.
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Crankshaft Main Bearing Journal Oil Clearance Repair Limit .0059"
Standard Main Bearing Journal Diameter 3.0685" - 3.0691"
.010" Undersize Main Bearing Journal Diameter 3.0585" - 3.0591"
.020" Undersize Main Bearing Journal Diameter 3.0485" - 3.0491"
.030" Undersize Main Bearing Journal Diameter 3.0385" - 3.0391"
.040" Undersize Main Bearing Journal Diameter 3.0285" - 3.0291"
Note: confirm availability of new CM655 main bearings before grinding crankshaft.
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Connecting Rod Crankshaft Bearing Journal Oil Clearance Repair Limit .0079"
Standard Big End Connecting Rod Bearing Journal Diameter 2.3600" - 2.3608
.010" Undersize Big End Connecting Rod Bearing Journal Diameter 2.3500" - 2.3508"
.020" Undersize Big End Connecting Rod Bearing Journal Diameter 2.3400" - 2.3408"
.030" Undersize Big End Connecting Rod Bearing Journal Diameter 2.3300" - 2.3308"
.040" Undersize Big End Connecting Rod Bearing Journal Diameter 2.3200" - 2.3208"
Note: confirm availability of new CM655 rod bearings before grinding crankshaft.
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Head Gasket Installation Information:
Head Bolt Tightening Torque for N.A. Naturally Aspirated 130 Ft Lbs + 13 Ft Lbs
Head Bolt Tightening Torque for T.I. and T.W. Turbocharged 145 Ft Lbs
View or Print the Head Bolt Tightening Sequence Here
Intake Valve Lash ( cold ) .0118"
Exhaust Valve Lash ( cold ) .0118"
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Note: Some of this information is from an old mechanics notes
in his tool box, please try to double check before doing machine work
The complete service manual is available here: CM655 Manual copy
We have a small inventory of parts from new, old stock for these CM655 engines.
Pistons, Liners, Liner Seals, Piston Rings, Rod Bearings, Main Bearings,
Thrust Bearings, Cam Bushings, Intake Valves, Exhaust Valves, Valve Guides,
Orings, Seals, Gaskets, Main Seals, Soft Plugs, Brass soft plugs, Bearings, Bushings, Sealing Caps, Valve Seat Inserts, Bolts, Nuts, Studs, Copper Gaskets, Copper Washers, Washer Seals, Plugs, Head Bolts, Rod Bolts, Main Bolts, Engine Oil Pump and internal parts, Exhaust manifold gaskets, Turbo gaskets, Fuel Lift Pump, Fuel Priming Pump / Hand Pump , Internal parts for injection pump, Plungers, Nozzles, Injectors, and attaching parts. > Limited quantities.
Delivery available to Canada , USA , and Worldwide .
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Contact us with your parts requests: