Product Description
The CUMMINS 4376348 OEM ENGINE PISTON KIT (.020) is designed for 2007.5–2018 ISB 6.7L Cummins diesel engines. This genuine Cummins piston kit provides an OEM-quality replacement solution for engine rebuilds requiring a .020-inch oversize piston.
Use this piston kit when rebuilding a worn engine, repairing cylinder wall damage, or restoring compression and performance. Always verify fitment, bore size, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM piston kit
- .020-inch oversize piston configuration
- Designed for ISB 6.7L Cummins diesel engines
- Ideal for engine rebuild and overhaul applications
- Helps restore compression and engine performance
- OEM-quality materials and construction
FITMENT
- 2007.5–2018 Ram 2500 6.7L Cummins
- 2007.5–2018 Ram 3500 6.7L Cummins
- 2007.5–2018 Ram 4500 6.7L Cummins
- 2007.5–2018 Ram 5500 6.7L Cummins
- Select Cummins ISB 6.7L industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 4376348 OEM Engine Piston Kit (.020 Over)
- Included components as supplied by Cummins
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4376348
- Cummins piston ring service components
- Cummins connecting rod and bearing components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4376348
- Part Type: Engine Piston Kit
- Piston Size: .020 Inch Oversize
- Engine Compatibility: ISB 6.7L Cummins
- Fitment Years: 2007.5–2018
- Vehicle Application: Ram 2500, 3500, 4500, and 5500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this piston kit fit my truck?
This piston kit fits the applications listed above. Always verify engine serial number and cylinder bore requirements before ordering.
What does .020 over mean?
A .020 over piston is designed for an engine block that has been machined .020 inch larger than the factory bore size during rebuilding.
Is this a genuine Cummins part?
Yes. Cummins 4376348 is a genuine OEM Cummins engine piston kit.
What is included in the kit?
This listing includes the components supplied by Cummins under part number 4376348. Verify contents before installation.
When should an oversize piston be used?
Oversize pistons are typically used when cylinders have been bored during engine rebuilding to correct wear or cylinder wall damage.
Do I need any related parts?
Inspect piston rings, connecting rods, rod bearings, cylinder liners, gaskets, and related engine components during the rebuild process and replace worn parts as necessary.