Product Description
The INTERSTATE-MCBEE M-4089258 PISTON RING SET STD BORE is a premium aftermarket replacement ring set designed for 2004.5-2007 Dodge Ram 5.9L Cummins Common Rail diesel engines. Engineered to meet or exceed OEM performance standards, this standard bore piston ring set helps restore proper compression, oil control, and combustion sealing in rebuilt or refreshed Cummins engines.
Proper piston ring sealing is critical for maintaining engine compression, reducing oil consumption, controlling blow-by, and ensuring long-term diesel engine performance. Interstate-McBee manufactures high-quality diesel engine components trusted throughout the heavy-duty and performance diesel industry for durability and precision fitment.
The M-4089258 ring set is ideal for stock rebuilds, towing applications, performance engine builds, and preventative engine service on 5.9L Common Rail Cummins platforms.
FEATURES
- Premium aftermarket replacement for Cummins 4089258
- Designed for 2004.5-2007 5.9L Cummins Common Rail engines
- Standard bore piston ring set
- Helps restore proper cylinder sealing and compression
- Reduces oil consumption and blow-by
- Engineered for durability and long service life
- Precision-manufactured for proper fitment
- Ideal for rebuilds, maintenance, towing, and performance applications
FITMENT
- 2004.5 Dodge Ram 2500 5.9L Cummins Common Rail
- 2004.5 Dodge Ram 3500 5.9L Cummins Common Rail
- 2005 Dodge Ram 2500 5.9L Cummins Common Rail
- 2005 Dodge Ram 3500 5.9L Cummins Common Rail
- 2006 Dodge Ram 2500 5.9L Cummins Common Rail
- 2006 Dodge Ram 3500 5.9L Cummins Common Rail
- 2007 Dodge Ram 2500 5.9L Cummins Common Rail
- 2007 Dodge Ram 3500 5.9L Cummins Common Rail
Fitment Note: Designed for standard bore piston applications only. Verify piston and cylinder dimensions before ordering.
WHAT'S INCLUDED
- Complete standard bore piston ring set for one engine
- Compression rings
- Oil control rings
CROSS-REFERENCE & RELATED PRODUCTS
- INTERSTATE-MCBEE M-4089259 PISTON RING SET .020 OVERSIZE
- CUMMINS 4089258 OEM PISTON RING SET
- INTERSTATE-MCBEE MAIN BEARING SET
- INTERSTATE-MCBEE ROD BEARING SET
- 5.9L CUMMINS ENGINE REBUILD PARTS
WHY REPLACE PISTON RINGS?
Worn piston rings can lead to reduced compression, excessive blow-by, increased crankcase pressure, hard starting, loss of power, and excessive oil consumption. Replacing piston rings during an engine rebuild helps restore proper sealing, improve combustion efficiency, and extend engine life.
SPECIFICATIONS
| Specification | Details |
|---|---|
| Manufacturer | Interstate-McBee |
| Part Number | M-4089258 |
| OEM Cross Reference | Cummins 4089258 |
| Engine Compatibility | 5.9L Cummins Common Rail |
| Fitment Years | 2004.5-2007 |
| Bore Size | Standard Bore |
| Application | Engine rebuild and overhaul |
| Configuration | Complete engine piston ring set |
| Warranty | 2-Year Unlimited Mileage Interstate-McBee Warranty |
| Prop 65 | Warning: Cancer and Reproductive Harm — www.P65Warnings.ca.gov. |
FAQ
What engines does Interstate-McBee M-4089258 fit?
This piston ring set fits 2004.5-2007 Dodge Ram trucks equipped with the 5.9L Cummins Common Rail diesel engine.
Is this a standard bore piston ring set?
Yes. M-4089258 is designed for standard bore piston applications. Oversized cylinders require the appropriate oversize ring set.
Why should piston rings be replaced during a rebuild?
Replacing piston rings helps restore cylinder sealing, improve compression, reduce blow-by, lower oil consumption, and improve overall engine efficiency and reliability.
Is Interstate-McBee a quality aftermarket diesel brand?
Yes. Interstate-McBee is widely known in the diesel industry for manufacturing high-quality aftermarket engine components built to meet or exceed OEM standards.
