Dodge RAM 5.9L V8 Remanufactured Engine – 2002-2003

Description

Across demanding 14-hour commercial transport shifts requiring continuous highway equipment hauling and extended low-speed idling, high-swirl combustion chambers maintain complete fuel burn inside this Dodge 5.9L Magnum Remanufactured Engine. Engineered for 2002 to 2003 commercial Ram chassis, this multi-port fuel injection V8 integrates hydraulic roller camshafts with high-flow Magnum cylinder head architecture.

Featuring seasoned high-nickel gray iron construction, this 90-degree V8 block features heavy main bulkheads and an Ra 28 micro-inch deck finish. Internals include a precision-ground nodular iron crankshaft supported by two-bolt main caps, heavy forged steel connecting rods, and aluminum alloy pistons. Bores receive diamond plateau honing with a 45-degree angle. Dry block weight equals 475 lbs with a five-quart oil sump capacity.

Key Features of Dodge 5.9L

Commercial transport fleets buy Dodge 5.9L long block engine packages to keep fleet cargo trucks moving without unpredicted route disruptions. Rigid quality control testing guarantees long-term powertrain endurance under constant stop-start driving conditions across metropolitan distribution routes.

• Magnum cylinder heads feature high-swirl intake ports to optimize multi-port fuel injection efficiency.
• Hydraulic roller camshaft valvetrain components eliminate friction and wear during long idle periods.
• Multi-layer steel cylinder head gaskets withstand 190 PSI dynamic combustion strokes without failure.
• Dodge 5.9L high-volume gear oil pump maintains 50 PSI steady fluid volume to overhead valvetrain gear.
• Two-bolt iron main caps hold line-honed tolerances within 0.0004 inches of factory specifications.
• External crankshaft balancing maintains rotating balance under severe commercial towing demands.
• Diamond plateau cylinder honing provides rapid moly ring seat without cylinder bore burnishing.
• Fluoroelastomer rear main seal locks motor oil inside the crankcase envelope.

Magnum Multi Port Combustion Ratings

Normal operating oil pressure maintains 20 PSI at hot idle and 45 to 60 PSI at 2,500 RPM cruise. Engine coolant temperature regulates between 190°F and 205°F through standard thermostatic flow. Power output measures 245 continuous horsepower at 4,000 RPM, providing 335 lb-ft torque at 3,200 RPM. A 8.9:1 compression ratio yields 170 to 180 PSI cranking compression. Heat rejection across radiator circuits reaches 4,100 BTU/min under Severe Commercial Fleet duty cycles across heavy regional freight corridors.

Magnum V8 Rear Driveline Specs

The rear crankshaft hub incorporates a 6-bolt flexplate bolt pattern engineered for commercial 46RE automatic transmissions. Front crankshaft snout measures 1.500 inches with standard keyways for dynamic balancer installation. Crankshaft endplay checks out between 0.003 and 0.007 inches using precision dial indicators. Torque converter pilot bore centers commercial automatic transmission input shafts without friction.

Magnum Multi Port Priming Guidelines

Pressurize the internal main oil gallery with five quarts of 5W-30 motor oil using an oil priming tank before turning the ignition key. Bleed cooling circuit air to prevent localized hot spots around exhaust ports. Not engineered for continuous marine vessel operation, alcohol-fueled race conversions, or boost levels over 6 PSI.

• Check cockpit oil pressure gauges and fluid sight glasses each shift.
• Inspect engine cooling lines and serpentine belt wear every 5,000 miles.
• Drain crankcase engine oil and install fresh spin-on filter every 4,000 miles.

Magnum V8 Commercial Fleet Warranty Manifest

Protected by an elite 3-Year / 100,000-Mile commercial fleet warranty covering parts and block manufacturing integrity. The reinforced transport crate includes the remanufactured long block engine, high-output oil pump, oil pickup tube, complete engine gasket set, installation guidelines, and dynamometer balance test reports.