Product Description
CPP DIESEL 3934746 REMANUFACTURED OEM 12V CYLINDER HEAD FOR 1989-1998 5.9L CUMMINS
The CPP DIESEL 3934746 REMANUFACTURED OEM 12V CYLINDER HEAD is professionally remanufactured for 1989-1998 5.9L Cummins 12-valve diesel engines using genuine OEM Cummins castings.
Each cylinder head is thoroughly cleaned, inspected, pressure tested, resurfaced, and assembled to deliver dependable sealing, durability, and long-term reliability for stock, towing, and performance applications.
FEATURES
- OEM genuine Cummins casting
- Professionally remanufactured cylinder head assembly
- Pressure tested and inspected for cracks and imperfections
- Cylinder head resurfaced for proper sealing
- Complete valve job performed
- Valve face depths set to CPP specifications
- Compatible with Hamilton 178 and 188 camshafts
- Springs replaced and shimmed to proper pressures
- Multiple quality inspections during assembly
- One-year warranty included
FITMENT
- 1989-1998 Dodge Ram 2500 5.9L Cummins 12V
- 1989-1998 Dodge Ram 3500 5.9L Cummins 12V
- Compatible with 5.9L 12-valve Cummins diesel engines
Fitment Note: Always verify casting number, application, and engine compatibility before ordering.
WHAT'S INCLUDED
- Complete remanufactured 12V cylinder head assembly
- Valve springs
- Valves and guides
- Resurfaced sealing surface
- Completed valve job
QUALITY CONTROL PROCESS
- Complete cylinder head cleaning process
- Bolt hole inspection
- Pressure testing
- Crack inspection
- Valve seat and guide service
- Cylinder head resurfacing
- Valve face depth verification
- Final cleaning and painting
- Triple technician inspection before shipment
SPECIFICATIONS
- Manufacturer: CPP Diesel
- Part Number: 3934746
- Product Type: Remanufactured OEM cylinder head
- Engine Compatibility: 5.9L Cummins 12V
- Fitment Years: 1989-1998
- Casting Type: OEM Cummins casting
- Application: Stock replacement, towing, rebuild, and performance use
- Warranty: One-year limited warranty
IMPORTANT CORE RETURN INFORMATION
- Core return required for refund
- Cores must be returned within 30 days of receipt
- Drain fluids before shipment
- Core must be complete and rebuildable
DISCLAIMER
CPP Diesel is not affiliated with Cummins Inc. This cylinder head is remanufactured by CPP Diesel and is not a remanufactured Cummins factory-built cylinder head.
FAQ
Is this a genuine Cummins cylinder head?
This cylinder head uses a genuine OEM Cummins casting that has been professionally remanufactured by CPP Diesel.
Does this cylinder head include valves and springs?
Yes. The cylinder head includes serviced valves, springs, guides, and completed machine work.
Will this work with Hamilton camshafts?
Yes. Valve face depths are set to CPP specifications for compatibility with Hamilton 178 and 188 camshafts.
Has the cylinder head been pressure tested?
Yes. Every cylinder head is pressure tested and inspected for cracks and defects before assembly.
Is a core return required?
Yes. A rebuildable core must be returned within 30 days to qualify for the core refund.
