Product Description
Interstate-McBee M-3934048 Piston Pin – 1994–2002 5.9L Cummins (Aftermarket Replacement)
High-quality wrist pin (piston pin) designed for the 1994–2002 5.9L Cummins B-Series. Full-floating design for smooth operation and long service life. Sold individually.
- OE-style fit: Direct drop-in replacement for stock rods and pistons.
- Durable construction: Hardened, precision-ground pin resists wear and galling.
- Full-floating compatibility: Works with standard pin bores and rod bushings.
- Interstate-McBee quality: Proven aftermarket value and consistency.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3934048 |
| OEM Reference | Cummins 3934048 |
| Engine | 5.9L Cummins B-Series (12V & 24V) |
| Sold As | Each (1 piston pin) |
| Qty Required | 6 pins per engine |
| Position | Piston wrist pin (full-floating) |
What’s Included
- (1) Piston pin, P/N M-3934048
Vehicle Fitment
Always verify with your engine serial number (ESN) when possible.
- Dodge Ram 2500/3500 with 5.9L Cummins B-Series
- Model Years: 1994–2002 (12-valve 1994–1998, 24-valve 1998.5–2002)
- Other 5.9L B-Series applications specifying Cummins 3934048.
Recommended/Related Parts
- Pistons (standard or oversize) compatible with full-floating pins
- Connecting rod bushings
- Piston pin retaining clips (circlips)
- Piston ring set(s)
- Head gasket & bottom-end gasket set (for rebuilds)
Install Notes
- Measure pin-to-bore clearance and verify proper oiling per service manual.
- Always use new retaining clips; confirm clip groove engagement.
- Lubricate pin and bushing during assembly; check for free pin rotation.
- If mixing with non-OE rods/pistons, confirm dimensions and compatibility.
Why Buy From CPP Diesel
- ESN-verified fitment help from diesel specialists
- Fast shipping and easy returns
- Deep inventory of complementary 5.9L Cummins components
FAQ
How many pins do I need?
Six total—one per cylinder. This item is sold individually.
Will this work with my stock rods and pistons?
Yes, it’s an OE-style full-floating pin. Verify dimensions if using aftermarket rods/pistons.
Does this fit both 12-valve and 24-valve engines?
Yes—this listing covers 1994–2002 5.9L applications that specify Cummins 3934048.
