Product Description
The CUMMINS 4089669 OEM STANDARD-BORE ENGINE PISTON KIT is a genuine Cummins piston kit for 2004.5-2007 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L ISB common-rail Cummins engine.
This standard-bore piston kit is designed for engine repair, rebuild work, and OE replacement where correct piston fitment, sealing, and durability are required. This kit is sold individually. Order 6 kits for a complete engine set.
FEATURES
- Genuine Cummins OEM piston kit
- Standard-bore piston kit for 5.9L ISB common-rail engines
- Designed for 2004.5-2007 Dodge Ram 2500 and 3500 applications
- Includes piston, ring set, wrist pin, and retaining clips
- Sold individually
- Order 6 kits for a complete engine set
- Direct-fit OE replacement geometry
- Oversize alternatives include Cummins 4089670 and Cummins 4089671
FITMENT
- 2004.5-2007 Dodge Ram 2500 5.9L Cummins ISB common-rail
- 2004.5-2007 Dodge Ram 3500 5.9L Cummins ISB common-rail
- Select industrial and off-highway ISB/QSB 5.9L applications
Fitment Note: Always verify compatibility by VIN, ESN, or CPL before ordering, especially for mixed-year, industrial, or off-highway applications.
WHAT'S INCLUDED
- 1 standard-bore piston
- 1 piston ring set
- 1 wrist pin
- 2 wrist pin retaining clips
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4089669 standard-bore piston kit
- Cummins 4089670 oversize piston kit, .020 inch
- Cummins 4089671 oversize piston kit, .040 inch
- Cummins 4089258 standard piston ring set
- Cummins 3934047 wrist pin
- Cummins 3920691 retaining clip
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4089669
- Part Type: Engine piston kit
- Bore Size: Standard bore
- Engine Compatibility: 5.9L Cummins ISB common-rail
- Fitment Years: 2004.5-2007
- Vehicle Application: Dodge Ram 2500/3500 5.9L Cummins
- Quantity Required: 6 per engine
- Sold As: Individual piston kit
- Condition: New genuine Cummins OEM part
INSTALLATION NOTES
- Measure cylinder bore size before ordering standard or oversize pistons
- Verify ring end gap before final assembly
- Confirm piston orientation during installation
- Use proper assembly lube and torque specifications
- Inspect bearings, cylinder finish, gaskets, and related hardware during rebuild work
FAQ
Will Cummins 4089669 fit my 2004.5-2007 5.9L Cummins Ram?
Yes. Cummins 4089669 is intended for 2004.5-2007 Dodge Ram 2500 and 3500 trucks with the 5.9L ISB common-rail Cummins engine. Always verify by VIN, ESN, or CPL before ordering.
What is included in the Cummins 4089669 kit?
This kit includes one piston, one ring set, one wrist pin, and two wrist pin retaining clips.
How many kits do I need for a full engine?
This
