Cummins 5.9L ISB/QSB 12 Valve Diesel Engine
The ISB/QSB 5.9L Cummins is used in many applications including walk-in vans, buses, yard tractors, and conventional cabs. Reviva also offers this engine in the QSB format for construction and industrial applications.
Reviva utilizes torque plating methods for boring and honing to ensure block straightness, which reduces break-in time and crankcase pressure. In addition, Reviva uses OEM or equivalent pistons, rings, bearings, valves, and gaskets, making sure that this engine will stand the test of time.
All Reviva engines are assembled in the USA.
LONG BLOCK INCLUDES:
Block / Rods / Crank Gear / Piston Assemblies / Head / Rear Covers & Seal / Oil Filter Assembly / Water Pump / Side Cover/Crankcase Breather / Valve Train (lifters, pushrods, & rocker arms) / Crankshaft / Oil Pump / Cam Gear / Camshaft / Front Gear Housing / Oil Cooler / Valve Cover(s) / Gasket Set
COMPLETE DROP-IN INCLUDES:
ALL PARTS ON THE LONG BLOCK PLUS
Lift Pump / Low & High Pressure Lines / Fuel Filter Assembly / Turbocharger / Intake Cover & Connection / Thermostat Housing / Oil Pickup Tube / Wiring Harness / Sensors & Switches / Injection Pump / Injectors / Damper Pulley / Thermostat / Exhaust Manifold / Oil Pan / Gear Cover & Seal
TO PLACE AN ORDER
Before calling to request price and availability, please gather the following information:
- The original engine serial number
- The original engine CPL number
The CPL and serial numbers are located on the injection pump side of the engine on the front gear cover. The serial number is also stamped on the cylinder block above the oil cooler assembly.
REVIVA’S DYNO TEST
All of Reviva’s Complete Drop-In engines are 100% dyno tested prior to shipment. Computer controls ensure that each engine dyno test is conducted under standard, repeatable settings. Every engine is run through a warm up cycle; three separate cruise segments simulating light, medium, and heavy throttle conditions; maximum torque and horsepower tests; both high and low idle tests; and a black light leak detection test with dyed oil, coolant, and fuel.
On-Road Complete Drop-In configurations: 2yr/unlimited mileage.*
Long Block configurations: 1 year/unlimited mileage.
Off-Road All configurations: 1yr/2,000 hours.
Some restrictions apply; see limited warranty details or call for more information.
*2nd year long block coverage only.
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Reviva is an independent manufacturer and is not affiliated with Navistar, Ford, Cummins, General Motors, or Caterpillar.