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3010242 – Cummins NT855 PT Fuel Pump Repair Kit (cross reference 3004122)
Complete PT fuel pump repair kit 3010242 for Cummins NT855 diesel engines. Includes all necessary O-rings, gaskets, seals, and hardware for full overhaul. Also replaces 3004122. Direct-fit restoration of fuel delivery.
Product Details
Cummins 3010242 Fuel Pump Repair Kit for NT855 Engine
Full overhaul kit containing every seal, gasket, and O-ring needed to completely rebuild the PT fuel pump on Cummins NT855 series engines.
The PT fuel pump is critical for precise fuel delivery on the Cummins NT855 engine. When seals and gaskets degrade, leaks and pressure loss can reduce power and efficiency. The 3010242 Fuel Pump Repair Kit supplies the complete set of replacement components required for a professional full overhaul, restoring factory-level sealing and reliable performance.
All parts in this kit are engineered to Cummins specifications and designed to work together for a leak-free rebuild. It installs as a direct replacement set, making it a cost-effective alternative to purchasing a new fuel pump while ensuring long-term durability in heavy-duty applications.
Product Features
- Complete PT fuel pump overhaul kit
- Includes all O-rings, gaskets, seals, and hardware
- Precision fit for leak-free performance
- Restores accurate fuel pressure and delivery
- Direct replacement – no special tools required
- Suitable for Cummins NT855 and NTA855 engines
- Also replaces part number 3004122
Kit Contents
| Component | Part Number |
|---|---|
| O-Ring Seal | 43696A |
| O-Ring Seal | 43681A |
| Flange Gasket | 70705 |
| Rectangular Seal Gasket | 100009 |
| Fuel Pump Gasket | 110855 |
| Retaining Ring | 128807 |
| Rectangular Seal Ring | 129888 |
| Rectangular Seal Ring | 139988 |
| Rectangular Seal Ring | 151900 |
| Rectangular Seal Ring | 154087 |
| Flat Washer | 154088 |
| Fuel Pump Gasket | 160514 |
| Oil Seal | 200998 |
| Oil Seal | 212603 |
| O-Ring Seal | 213079 |
| O-Ring Seal | 213768 |
| O-Ring Seal | 3042542 |
| O-Ring Seal | 3044982 |
| O-Ring Seal | 3044946 |
| O-Ring Seal | 3045986 |
| Oil Seal | 3046201 |
| O-Ring Seal | 306279 |
| Front End Cover Seal | 3063052 |
| Fuel Pump Seal | 3063054 |
| O-Ring Seal | 3063194 |
| 12-Point Bolt Nut | 3067897 |
| Fuel Pump Gasket | 3067897 |
| O-Ring Seal | 3279740 |
| O-Ring Seal | 3279744 |
| Fuel Pump Gasket | 4954442 |
Professional installation recommended.
Compatible Applications
Ideal for Cummins NT855 series engines in:
- Industrial generators and power plants
- Heavy-duty trucks
- Construction and mining machinery
- Marine propulsion and stationary equipment
FAQ
- What is the 3010242 kit for? It is a complete repair kit for overhauling the PT fuel pump on Cummins NT855 engines.
- Does it replace 3004122? Yes – 3010242 is the current part number and directly replaces 3004122.
- Is this a full rebuild kit? Yes – it contains every seal, gasket, and O-ring needed for a complete fuel pump reseal.
- Will it fit my NT855 engine? Yes – designed for all standard NT855 and NTA855 applications.
Ready to repair your NT855 fuel pump?
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