Product Description
Interstate-McBee M-3029820 Injector Body O-Ring – 98.5–02 5.9L Cummins (ISB 24V)
Direct-fit injector body O-ring for 1998.5–2002 Dodge Ram 2500/3500 with the 5.9L Cummins ISB 24-valve (VP44). Replaces worn seals between the injector body and cylinder head to restore leak-free operation and factory performance.
- Application-correct: Designed for 98.5–02 5.9L Cummins ISB 24V (VP44).
- Direct-fit seal: Installs in the factory location; sold individually (6 required per engine).
- OEM cross-reference: Cummins 3029820 for easy parts matching.
- Material & size: Fuel-resistant elastomer; typical spec is 0.139" C/S × 0.734" ID.
- Aftermarket value: OEM-equivalent performance at a fraction of OE cost.
Specifications
| Interstate-McBee Part | M-3029820 |
|---|---|
| OEM Reference | Cummins 3029820 |
| Location | Injector body to cylinder head sealing |
| Sold As | Each (6 needed per engine) |
| Typical Dimensions | 0.139" cross-section × 0.734" inside diameter |
| Material | Fuel-resistant elastomer (polyacrylate class) |
Vehicle Fitment
Always verify by Engine Serial Number (ESN) for best results.
- Dodge Ram 2500/3500 — 1998.5–2002 with 5.9L Cummins ISB 24V (VP44)
Install Notes
- Replace any time an injector is removed; inspect injector and head bores for damage.
- Lightly lubricate O-ring with clean engine oil; avoid twisting/rolling during install.
- Seat injector squarely; torque hold-down per Cummins service manual procedures.
- Pair with the correct injector copper washer (sold separately) during reassembly.
Why Buy From CPP Diesel
- Diesel experts with ESN-verified fitment support.
- Fast shipping and hassle-free returns.
- Curated B-Series selection to complete your job the right way.
FAQ
Will this fit my 1998 (non-HO) 12-valve?No. This O-ring is for 1998.5–2002 24-valve ISB (VP44) engines. Verify your build date and ESN.
How many O-rings do I need?
Six—one per injector. These are sold individually so order quantity 6 for a full set.
Where does it seal?
Between the injector body and the cylinder head to prevent fuel/combustion leakage at the injector bore.
Is this equivalent to Cummins 3029820?
Yes. Interstate-McBee M-3029820 is an aftermarket equivalent to Cummins 3029820 and matches OEM fit/function.
What’s the material and size?
Fuel-resistant elastomer (polyacrylate class), commonly listed at 0.139" C/S × 0.734" ID.
Product Videos
Custom Field
YEAR 1998.5-2002
MAKE DODGE
ENGINE 5.9L
