5.9L Cummins Diesel Engines

5.9L Cummins Diesel Engines (Part Number / SKU: FRS-156130)

• Engine Block
• Crankshaft
• Crank Gear
• Piston Assemblies
• Connecting Rods
• Cylinder Head
• Camshaft
• Cam Gear
• Valve Train (Lifters, Pushrods & Rocker Arms)
• Oil Pump
• Oil Cooler
• Oil Filter Assembly
• Front Gear Housing
• Rear Covers & Seal
• Side Cover / Crankcase Breather
• Water Pump
• Valve Cover(s)
• Complete Gasket Set

• Lift Pump
• Low & High Pressure Fuel Lines
• Fuel Filter Assembly
• Injection Pump
• Injectors
• Turbocharger
• Intake Cover & Connections
• Thermostat Housing
• Thermostat
• Oil Pickup Tube
• Sensors & Switches
• Damper Pulley
• Exhaust Manifold
• Oil Pan
• Gear Cover & Seal

5.9L CUMMINS 24V ISB ENGINES

The 5.9L QSB/ISB Cummins platform is widely used across a broad range of demanding applications including walk-in vans, buses, yard tractors, and conventional cab trucks. Aero Engines Inc also supports QSB configurations for construction, agricultural, and industrial equipment, delivering dependable performance across every environment.

At Aero Engines Inc, every 5.9L Cummins engine is remanufactured using precision machining processes designed to exceed OEM standards. Our blocks are carefully machined, honed, and aligned to ensure optimal cylinder geometry, reduced break-in time, and improved long-term engine efficiency.

We incorporate OEM or equivalent premium components throughout the build, including pistons, rings, bearings, valves, and gasket systems, to ensure durability under heavy load and extended service life. Each engine is engineered to correct known wear points and deliver consistent, reliable performance in both commercial and industrial applications.

Every Aero Engines Inc is assembled with strict quality control standards, delivering a zero-mile engine built for longevity, reliability, and real-world performance where it matters most.

• Vehicle VIN Number OR Machine Serial Number

Every Aero Engines Inc is built using advanced machining equipment and strict quality-controlled assembly processes. Our remanufacturing procedures follow proven, repeatable methods designed to ensure consistent tolerances, proper clearances, and long-term engine durability.

Each engine is manufactured with a focus on correcting common failure points while maintaining OEM fitment and performance standards. Components are carefully inspected, machined, and assembled to deliver a zero-mile engine that performs reliably in real-world conditions.

• Precision-machined and quality-checked components
• Controlled assembly processes for consistent build integrity
• Functional verification procedures prior to shipment
• Engines are validated under simulated operating conditions where applicable
• Leak detection and system integrity checks performed before release

Aero Engines Inc ensures every unit meets strict internal standards before leaving our facility, delivering dependable performance, reduced installation risk, and long-term reliability.

• On-Road Complete Drop-In Configurations: 2-Year / Unlimited Miles (2nd year long block coverage)
• Long Block Configurations: 1-Year / Unlimited Miles
• Off-Road Applications: 1-Year / 2,000 Hours
• Motorhome / RV Applications: 1-Year Parts & Labor Only

• OEM spec build
• Updated components
• Stock replacement ready

• Head studs upgrade
• Better sealing
• Great for towing

• Plug & play
• Fully assembled
• Minimal downtime

• Complete unit
• Cost efficient
• Reliable build

• Cleaner install
• Better sealing
• Durability focused

• Factory performance
• Balanced build
• Long-term reliability

• Manual trans setup
• Direct fit
• No mods needed

• Turn-key solution
• Head studs included
• Fleet-ready durability

• Upgraded fuel system
• Performance optimized
• Heavy-duty applications