Interstate-McBee Kit - Inframe - M-5473069

The M-5473069 In-Frame Rebuild Kit is a complete engine overhaul solution designed for Cummins ISX15 and QSX15 engines equipped with 152MM Advanced Plateau Relief (APR) liners. This kit allows for full restoration of engine performance—including improved compression, reduced oil consumption, and extended engine life—without removing the engine from the chassis.

Manufactured to OEM specifications in ISO 9001:2015-certified facilities, the kit includes all major internal engine components needed for reliable in-frame service, making it ideal for fleet maintenance and vocational operations.

Key Features

• Designed for Cummins ISX15 / QSX15 with 152MM APR liners

• Compatible with newer CM2250 / CM2350 engine platforms

• Includes: Pistons, liners, rings, rod bearings, main bearings, seals, and complete gasket set

• Engineered for high-load, long-haul, and vocational use

• Manufactured in ISO 9001:2015-certified U.S. facilities

• 2-year, unlimited-mileage warranty (Interstate-McBee or equivalent)

Kit Contents

• 6 x Cylinder Kits (Pistons, liners, piston rings, wrist pins, retainers)

• 1 x Upper Gasket Set

• 1 x Lower Gasket Set

• 1 x Rod Bearing Set (12 bearings)

• 1 x Main Bearing Set (7 bearings)

• 1 x Thrust Washer Set

• 1 x Oil Pan Gasket