Parts for the Cummins N14 and NT855 14-litre inline-six engines in heavy trucks, generators, and industrial service, including PT fuel system and overhaul components.
Check cummins parts availability: Send the part number, engine model, serial number, quantity, and delivery country. We confirm compatibility before shipment.
What the N14 Covers
The N14 is a 14-litre inline-six (855 cubic inches) that succeeded the NTC and NTA-855 in Cummins' big-cam line. It served heavy trucks, buses, generator sets, and industrial installations for many years and remains common in older fleets and stationary power worldwide.
Common Applications
- Heavy highway trucks and buses
- Prime and standby generator sets
- Industrial and marine installations
- Older fleets kept running on rebuilt units
Commonly Requested Parts
- PT fuel-system components: pumps, injectors, and lines
- Liner, piston, and ring kits
- Main and connecting-rod bearings
- Turbochargers and air-system components
- Air compressors and accessories
- Gaskets, seals, and mounting hardware
Verification for Older Fleets
N14 engines were built in several configurations, and long service lives mean many units have been rebuilt with mixed parts. Send the engine serial number and a photo of the dataplate and fuel-pump tag where possible. For PT fuel systems we confirm the pump and injector references together, because a mismatched pair causes running problems that are often blamed on the wrong component.
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