1989 - 1991 Ram Diesel Engine Specs and Part Numbers
#1
05-05-2009, 07:27 PM
1989 - 1991 Ram Diesel Engine Specs and Part Numbers
General Engine Specifications
Injection Line Location, The cylinders are counted 1-6 starting at the front of the engine. this is the rear of the pump, Don't forget your pump does not sit up straight like this.
top left is cylinder 2. going clockwise from there: 6,3,5,1,4
The Firing Order For The 5.9 Cummins is 1-5-3-6-2-4
- Engine: 5.9-Liter, OHV, Diesel Six-Cylinder
- Type & Description: Six cylinder, in line, liquid cooled, turbocharged, intercooled
- Displacement: 359 cu. in. (5.9 L)
- Bore x Stroke: 4.02 x 4.72 (102.1 x 119.9)
- Firing Order: 1-5-3-6-2-4
- Engine Rotation as viewed from engine front: Clockwise
- Valve System: OHV, 12 valves, solid sliding tappet lifter/followers
- Valve Adjustment (engine cold)
- Intake = 0.010"
- Exhaust = 0.020"
- Adjustment interval - 24,000 miles
- Fuel Injection: Bosch VE High-pressure direct injection, mechanical
- Fuel Pressure After Filter: 5-8psi
- Max allowable fuel return line restriction : 20.4" Hg
- Maximum Inlet Restriction to fuel transfer pump: 4" Hg
- Construction: Cast iron block & head
- Oil Capacity: 11 qt. (9.5 L) with filter
- Minimum Oil Pressure @ Idle: 10 psi
- Minimum Oil Pressure @ Rated: 30 psi
- Regulated Oil Pressure: 65 psi
- Oil Filter Bypass Diff. Pressure: 20 psi
- Coolant Capacity: 24 qt. (22.7 L)
- Battery: Maintenance-free, 1100 CCA
Recommended Fuel
#1-D Diesel or #2 Fuel Oil (diesel) only.
Under emergency conditions, 1K & 2K Kerosene, Jet-A, Jet A-1, JP-5, and JP-8 may by used if 5% lube oil is added to the fuel. DO NOT run the VP44 Injection pump on these alternate fuels without the lube oil - pump damage is likely without a lube additive!
Frequently Used Part Numbers
Fuel Filter
Mopar 4429107
Cummins 3834656
Fleetguard FS1232
Fuel Strainer Cummins 3834656
Fleetguard FS1232
Mopar 04762962
Cummins 3847102
FleetGuard 38454000-S
Fuel Heater top quad ring gasket Cummins 3847102
FleetGuard 38454000-S
FleetGuard 3834185-S
Oil Filter* Mopar Paper 05016547AC
Cummins Paper 3942470
Cummins Microglass 3865405
Fleetguard Paper LF3959
Fleetguard Microglass LF3552
Fleetguard Stratapore LF3894
Air Filter Cummins Paper 3942470
Cummins Microglass 3865405
Fleetguard Paper LF3959
Fleetguard Microglass LF3552
Fleetguard Stratapore LF3894
Mopar 4428308
Cummins 3097072
Fleetguard AF4555M
Belt, Serpentine Drive - w/o A/C, Before 1/1/91 Cummins 3097072
Fleetguard AF4555M
Mopar 4536259
Belt, Serpentine Drive - with A/C, Before 1/1/91 Mopar 4536258
Dayco 5080820
Accessory Belt After 1/1/91 Dayco 5080820
Dayco 5080830
Belt, Serpentine Drive - w/o A/C, After 1/1/91 w/Intercooler Mopar 4638766
Belt, Serpentine Drive - with A/C, After 1/1/91 w/Intercooler Mopar 4638762
Dayco 5080830
Throttle Position Sensor Dayco 5080830
Cummins 3621094
Thermostat Mopar 44420970
Cummins 3802273
Lower Radiator Hose After 1/1/91 Cummins 3802273
Cummins 71595
Lower Radiator Hose Before 1/1/91 Cummins 71530
Upper Radiator Hose After 1/1/91Cummins 71594
Upper Radiator Hose Before 1/1/91 Cummins 70540
Throttle Rod Assembly Mopar 5011955A
Throttle Rod End Cummins 3915106
* LF3959 superseded LF3935, LF3885, LF3949 for all model years.
Cummins 3942470 supersedes 3931470.
Mopar 5016547AC - replaced 5016547AB
Fleetguard LF3984 has been upgraded without a number change.
Last edited by RSWORDS; 12-08-2009 at 07:45 PM.
