2018-2024 Dodge Ram 2500/3500 HD HEMI 6.4L Remanufactured Engine

About This Engine

The 6.4L HEMI V8 has become one of the most trusted gasoline engines used in heavy-duty pickup trucks. Developed by Chrysler to deliver exceptional torque, strong payload capability, and dependable long-term performance, the 6.4 HEMI has earned a reputation among contractors, fleet operators, farmers, and truck owners who demand serious capability from their vehicles.

Installed in Ram 2500 and Ram 3500 Heavy Duty trucks, the 6.4L HEMI provides a balance of power, durability, and proven reliability. Whether towing heavy trailers, hauling equipment, or operating under demanding conditions, the engine is engineered to perform.

This 2018-2024 Dodge Ram 2500/3500 HD HEMI 6.4L Remanufactured Engine is professionally rebuilt to restore original factory specifications while incorporating new internal components and precision machining procedures. The result is a replacement engine designed to provide dependable service and long-term durability.

For truck owners seeking to extend vehicle lifespan while maintaining factory performance, this remanufactured HEMI engine offers an excellent solution.

Compatible Vehicles and Applications

This engine is designed for Ram Heavy Duty trucks equipped with the 6.4L HEMI platform.

Common applications include:

• Ram 2500 HD 6.4L HEMI
• Ram 3500 HD 6.4L HEMI
• Commercial work trucks
• Fleet vehicles
• Utility service trucks
• Construction vehicles
• Agricultural applications
• Heavy-duty towing vehicles

Compatibility should always be verified using:

• Vehicle fitment information
• Original engine specifications
• VIN information
• Engine configuration details

Verifying compatibility before ordering helps ensure proper installation and performance.

The Remanufacturing Process

Every remanufactured HEMI engine undergoes a comprehensive rebuilding process designed to restore durability, reliability, and performance.

Complete Cleaning and Preparation

The process begins with complete engine disassembly.

Each component is thoroughly cleaned using professional procedures including hot tank cleaning for cast iron components and thermal cleaning for aluminum parts.

These procedures remove contaminants, carbon deposits, and accumulated residue.

Advanced Inspection Procedures

Every major component undergoes extensive inspection.

Magnaflux testing is used to identify microscopic cracks, hidden defects, and structural imperfections that could compromise long-term reliability.

Visual inspections are also performed throughout the rebuilding process to maintain strict quality standards.

Precision Machining and New Components

Critical engine surfaces are CNC machined to restore proper tolerances and sealing surfaces.

New components installed during assembly include:

• New pistons
• New piston rings
• New bearings
• New lifters
• New oil pump
• New gaskets
• New Viton™ valve seals
• New freeze plugs
• New galley plugs
• New timing chain and tensioners where applicable
• New timing belt and tensioners where applicable
• New timing-driven water pump when required

These new components help restore factory-level performance while supporting long-term durability.

SIM Testing and Final Validation

Following assembly, every engine undergoes extensive SIM testing.

Testing procedures include:

• Oil system pressurization
• Cooling system pressurization
• Compression verification
• Internal sealing inspection
• Build quality validation

The crankshaft is rotated at high RPM under simulated operating conditions to verify engine integrity before shipment.

Performance and Heavy-Duty Capability

The 6.4L HEMI platform was engineered specifically for demanding truck applications.

Owners appreciate the engine for its:

• Strong towing capability
• High payload support
• Reliable power delivery
• Excellent low-end torque
• Long service life
• Proven heavy-duty durability

Whether used in commercial fleets, construction environments, agricultural operations, or recreational towing applications, the 6.4 HEMI remains one of the most respected gasoline truck engines available.

The remanufacturing process helps ensure these performance characteristics are restored and maintained.

Built for Long-Term Service

Heavy-duty trucks often operate under conditions that place significant demands on engine components.

The 6.4L HEMI platform was designed to handle these challenges through robust engineering and durable construction.

Through precision machining, extensive inspection procedures, and comprehensive component replacement, this remanufactured engine is built to provide dependable operation for years to come.

For owners seeking to maximize vehicle lifespan while avoiding the uncertainty associated with used engines, a professionally remanufactured HEMI engine represents a practical long-term investment.

Is This Engine Right for You?

The 2018-2024 Dodge Ram 2500/3500 HD HEMI 6.4L Remanufactured Engine is an excellent choice for:

• Ram 2500 owners
• Ram 3500 owners
• Fleet operators
• Contractors
• Utility companies
• Agricultural operators
• Repair facilities
• Drivers replacing a failed HEMI engine

It is particularly beneficial for customers seeking OEM-level reliability, towing capability, and comprehensive warranty protection.

Technical Specifications

This remanufactured engine is based on Chrysler’s proven heavy-duty HEMI architecture and is rebuilt to meet or exceed OEM specifications.

Key specifications include:

• Engine Displacement: 6.4L
• Engine Family: HEMI V8
• Compatible Years: 2018-2024
• Vehicle Applications: Ram 2500 HD & Ram 3500 HD
• Fuel Type: Gasoline
• Configuration: V8
• Condition: Fully Remanufactured
• CNC Precision Machined Components
• Magnaflux Inspected
• SIM Tested
• Built to Meet or Exceed OEM Specifications
• Warranty Coverage: Up to 7 Years / 1 Million Miles

These specifications help ensure compatibility, durability, and long-term performance.

Warranty and Customer Confidence

Every engine is backed by one of the strongest warranty programs available in the remanufactured engine industry.

Warranty benefits may include:

• Up to 7 years of coverage
• Up to 1 million miles of protection
• Optional Pure Care™ no-fault protection
• Long-term ownership confidence

This extensive coverage reflects the confidence placed in the quality of the remanufacturing process and the durability of the finished engine.

Customers interested in additional Ram replacement engines may also benefit from reviewing our Ram engine collection and related heavy-duty powertrain options.

Frequently Asked Questions

What vehicles use the 6.4L HEMI engine?

This engine is commonly used in Ram 2500 and Ram 3500 Heavy Duty trucks and other Chrysler heavy-duty applications.

What makes this engine remanufactured?

The engine is completely disassembled, cleaned, inspected, machined, rebuilt with new components, and extensively tested before shipment.

What inspections are performed during remanufacturing?

Each engine undergoes Magnaflux testing, visual inspections, CNC machining, component replacement, and SIM testing to verify quality and reliability.

What new components are installed?

New pistons, rings, bearings, lifters, oil pump, gaskets, valve seals, freeze plugs, galley plugs, and timing components are installed where applicable.

What is SIM testing?

SIM testing validates engine performance by pressurizing critical systems and verifying compression, sealing integrity, and overall build quality.

Does this engine include warranty coverage?

Yes. Warranty protection includes up to 7 years and 1 million miles, with optional upgraded protection plans available.

Why choose a remanufactured HEMI engine instead of a used engine?

A remanufactured engine undergoes extensive rebuilding, machining, inspection, and testing procedures that provide greater reliability and long-term value than most used engine options.