Chrysler Nissan Marine Diesel Engine Parts 

CN4-33 and CN6-33 
​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 Nissan Diesel  CN4-33    CN433                                                         Dimensions in Inches  ( " ) 
Four Cylinder InLine Water Cooled Diesel Engine
Standard Bore Diameter 3.26772 " Inch  - Recommended Maximum Wear Limit 3.27972 " 
.
Five Ring Piston Type
Piston Ring Axial Width ( piston ring height ) 
Top Piston Ring .09842" 
2nd Piston Ring .07874" 

3rd Piston Ring .07874" 

4th Oil Piston Ring .17716" 
5th Oil Piston Ring .17716" 
Piston Ring End Gap Repair Limit .0590" 

.
Three Ring Piston Type

Piston Ring Axial Width ( piston ring height ) 
Top Piston Ring .09842" 
2nd Piston Ring .07874" 
3rd Oil Piston Ring .17716" 
Piston Ring End Gap Repair Limit .0590" 
.
Cylinder Liner Protrusion above crankcase top surface: .0008" - .0035" 

Recommended maximum difference between each liner less than .0020" 
.
Compression Pressure 427 pounds per square inch P.S.I. at 200 RPM 
Repair Limit / Lowest advisable Compression Pressure 356 pounds per square inch P.S.I. at 200 RPM 
.
Recommended minimum Oil Pressure at Idle is 12 pounds per square inch P.S.I.
Recommended minimum Oil Pressure at 1500 RPM  is 35 pounds per square inch P.S.I.
.
Crankshaft Main Bearing Journal Oil Clearance Repair Limit .0059" 
Standard Main Bearing Journal Diameter 2.7917" - 2.7920" 
.010" Undersize Main Bearing Journal Diameter 2.7817" - 2.7820" 
.020" Undersize Main Bearing Journal Diameter 2.7717" - 2.7720" "
.030" Undersize Main Bearing Journal Diameter 2.7617" - 2.7620" 
.040" Undersize Main Bearing Journal Diameter 2.7517" - 2.7520" 
Note: confirm availability of new CN433 main bearings before grinding crankshaft. 
.
Connecting Rod Crankshaft Bearing Journal Oil Clearance Repair Limit .0059"
Standard Big End Connecting Rod Bearing Journal Diameter 2.0833" - 2.0836" 
.010" Undersize Big End Connecting Rod Bearing Journal Diameter 2.0733" - 2.0736" 
.020" Undersize Big End Connecting Rod Bearing Journal Diameter 2.0633" - 2.0636" 
.030" Undersize Big End Connecting Rod Bearing Journal Diameter 2.0533" - 2.0536" 
.040" Undersize Big End Connecting Rod Bearing Journal Diameter 2.0433" - 2.0436" 
Note: confirm availability of new CN433 rod bearings before grinding crankshaft. 
.
Head Gasket Installation Information: 
Head Bolt Tightening Torque First Stage: Large Bolts 43 Ft Lbs / Small Bolts 21 Ft Lbs

Head Bolt Tightening Torque Second Stage: Large Bolts 94 Ft Lbs / Small Bolts 36 Ft Lbs 
View or Print the Head Bolt Tightening Sequence Here
Intake Valve Lash ( Hot ) .014"  
Exhaust Valve Lash ( Hot ) .014"  
​Note: Some of this information is from an old mechanics notes
in his tool box, please try to double check before doing machine work
.
We have a small inventory of parts from new, old stock

for these CN433 CN4-33 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 . 
.

Contact us with your parts requests:  

Chrysler Nissan Marine Diesel Engine Parts