Product Description
The CUMMINS 3802134 OEM MARINE STYLE PISTON KIT (.040 OVER) is designed for 1989–1998 5.9L 12-valve Cummins diesel engines. This genuine Cummins piston kit features marine-style pistons with a .040-inch oversize bore specification for engine rebuild and overhaul applications requiring oversized replacement pistons.
Use this piston kit when rebuilding a worn or damaged engine block that has been machined .040-inch over standard bore size. Always verify engine specifications, machining dimensions, and part numbers before ordering.
FEATURES
- Genuine Cummins OEM piston kit
- Marine-style piston design
- .040-inch oversize bore specification
- Designed for 5.9L 12-valve Cummins engines
- Ideal for engine rebuild and overhaul applications
- Built to Cummins OEM specifications for durability and reliability
FITMENT
- 1989–1993 Dodge Ram D250/D350 5.9L Cummins
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- Select Cummins 6BT 5.9L industrial and marine applications
WHAT'S INCLUDED
- 1 Cummins 3802134 OEM Marine Style Piston Kit (.040 Over)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3802134
- Cummins 6BT overhaul components
- Related rings, liners, bearings, and gasket kits
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3802134
- Part Type: Piston Kit
- Piston Style: Marine Style
- Oversize: .040 Inch Over
- Engine Compatibility: 5.9L 12-Valve Cummins
- Fitment Years: 1989–1998
- Condition: New
- Application: Engine Rebuild / Overhaul
FAQ
Will this part fit my truck?
This piston kit fits the applications listed above when the engine block has been machined to accept .040-inch oversize pistons. Verify measurements before ordering.
Is this a standard bore piston kit?
No. Cummins 3802134 is a .040-inch oversize piston kit designed for rebuilt engines that require oversized pistons.
What is included?
This listing includes one Cummins 3802134 OEM Marine Style Piston Kit.
What does marine style piston mean?
Marine-style pistons are designed to meet specific combustion and durability requirements commonly found in marine and heavy-duty Cummins applications.
When should oversized pistons be used?
Oversized pistons are typically used when cylinder bores have been machined during an engine rebuild to restore proper cylinder wall condition and clearance.
Do I need any related parts?
During engine overhaul, inspect piston rings, liners, rod bearings, main bearings, gaskets, seals, and related rotating assembly components and replace them as necessary.