Interstate-McBee Kit - Inframe - IF3801779BC

The IF3801779BC In-Frame Rebuild Kit by Interstate‑McBee delivers a complete, high-quality engine overhaul solution for Cummins® N14 Celect and Celect Plus diesel engines. Designed for in-chassis installation, this kit allows for a full top-end rebuild without removing the engine, making it ideal for minimizing downtime in fleet and vocational applications.

Every component is manufactured to meet or exceed OEM specifications, with ISO 9001:2015-certified processes ensuring durability, reliability, and fitment accuracy. This kit is backed by Interstate‑McBee’s 2-year, unlimited-mileage warranty, giving confidence to engine rebuilders and maintenance operations.

Key Features:

• Complete in-frame rebuild kit tailored for Cummins® N14 Celect and Celect Plus engines

• Designed for in-chassis rebuilds—no need for full engine removal

• High-precision components including pistons, liners, bearings, gaskets, and seals

• Manufactured in ISO 9001:2015-certified facilities with rigorous quality control

• Backed by a 2-year unlimited-mileage parts warranty

Kit Contents:

• Cylinder Kits (Piston, Liner, Piston Rings, Pin & Retainers)

• Upper Gasket Set

• Rod Bearings (Set)

• Main Bearing Set

• Thrust Washers

• Oil Pan Gasket Set