Product Description
INTERSTATE-MCBEE M-3802132 PISTON KIT .020 OVER MARINE BOWL FOR 1989-1998 5.9L 12-VALVE CUMMINS
The Interstate-McBee M-3802132 piston kit is designed for 1989-1998 5.9L 12-valve Cummins 6BT engines using a marine-style combustion bowl and a .020 inch oversize piston configuration.
This piston kit is intended for engines that have been bored and honed .020 inch over standard bore size and is commonly used in rebuilds, towing applications, marine-style performance combinations, and engine refresh projects.
Manufactured using OE-style materials and precision machining, Interstate-McBee piston kits are designed to provide durability, reliable sealing, and long-term performance.
Sold individually per cylinder. Order quantity 6 for a complete engine set.
FEATURES
- Marine-style combustion bowl piston design
- .020 inch oversize piston configuration
- Designed for bored and honed engine blocks
- OE-style materials and manufacturing
- Complete per-cylinder piston kit
- Designed for 5.9L 12-valve Cummins engines
- Ideal for rebuild and performance applications
WHAT'S INCLUDED
- 1 Marine bowl piston
- 1 Matched piston ring set
- 1 Wrist pin
- 2 Pin retainers or locks
FITMENT
- 1989 Dodge Ram 2500 5.9L 12-valve Cummins
- 1989 Dodge Ram 3500 5.9L 12-valve Cummins
- 1990 Dodge Ram 2500 5.9L 12-valve Cummins
- 1990 Dodge Ram 3500 5.9L 12-valve Cummins
- 1991 Dodge Ram 2500 5.9L 12-valve Cummins
- 1991 Dodge Ram 3500 5.9L 12-valve Cummins
- 1992 Dodge Ram 2500 5.9L 12-valve Cummins
- 1992 Dodge Ram 3500 5.9L 12-valve Cummins
- 1993 Dodge Ram 2500 5.9L 12-valve Cummins
- 1993 Dodge Ram 3500 5.9L 12-valve Cummins
- 1994 Dodge Ram 2500 5.9L 12-valve Cummins
- 1994 Dodge Ram 3500 5.9L 12-valve Cummins
- 1995 Dodge Ram 2500 5.9L 12-valve Cummins
- 1995 Dodge Ram 3500 5.9L 12-valve Cummins
- 1996 Dodge Ram 2500 5.9L 12-valve Cummins
- 1996 Dodge Ram 3500 5.9L 12-valve Cummins
- 1997 Dodge Ram 2500 5.9L 12-valve Cummins
- 1997 Dodge Ram 3500 5.9L 12-valve Cummins
- 1998 Dodge Ram 2500 5.9L 12-valve Cummins
- 1998 Dodge Ram 3500 5.9L 12-valve Cummins
- Select Cummins 6BT industrial and marine applications
Fitment Note: Verify engine serial number, piston bowl style, and final bore size before ordering.
ORDERING NOTES
- Sold individually per cylinder
- Order quantity 6 for a complete engine set
- Requires cylinders bored and honed .020 inch over standard
- Confirm piston-to-wall clearance with your machinist
- Always verify ring end gap during assembly
INSTALLATION NOTES
- Verify piston protrusion during assembly
- Check ring orientation before installation
- Lubricate wrist pin and small-end bushings during assembly
- Follow Cummins torque specifications and procedures
- Inspect cylinder finish and bore measurements carefully
SPECIFICATIONS
- Brand: Interstate-McBee
- Part Number: M-3802132
- Product Type: Piston kit
- Piston Style: Marine bowl
- Oversize: .020 inch / 0.50 mm
- Engine Compatibility: 5.9L Cummins 6BT 12-valve
- Fitment Years: 1989-1998
- Quantity Included: 1 piston kit per cylinder
- Cross Reference: Cummins 3802132
- Application Type: Engine rebuild and performance applications
- Condition: New
FAQ
What does .020 over mean?
This piston is designed for engine blocks machined .020 inch over standard bore size.
How many piston kits do I need for a complete engine?
You will need six piston kits for a complete 6-cylinder engine.
Can marine bowl pistons be mixed with stock pistons?
No. All cylinders should use the same piston bowl design for balanced combustion characteristics.
Will this fit 24-valve Cummins engines?
No. This piston kit is designed specifically for 1989-1998 5.9L 12-valve 6BT applications.
Is machine work required before installation?
Yes. This piston requires cylinders bored and honed .020 inch over standard size.
