5405986 | APR Inframe Rebuild Kit for Cummins ISX15/QSX15, New 152MM liner CM2250 / CM2350

The 5405986 APR Inframe Rebuild Kit is a complete overhaul solution designed specifically for Cummins ISX15 and QSX15 SOHC engines equipped with Anti-Polish Ring (APR) liners. Ideal for restoring performance, this kit allows for a full in-frame rebuild without removing the engine, making it perfect for fleet maintenance and heavy-duty repair operations.

Manufactured to OEM specifications in ISO 9001:2015-certified facilities, this kit includes all core components needed to restore compression, reduce oil consumption, and extend engine life. The APR liners are engineered to reduce carbon buildup, ensuring cleaner operation and longer service intervals.

Kit Contents:

• 6 Cylinder Liner Kits
• (6) Cylinder Liners
• (6) Carbon Scraper Rings
• (6) .032 Liner Shims
• (6) Rectangular Ring Seals
• (6) Piston Kits
  • (6) Top Piston Rings
  • (6) Second Piston Rings
  • (6) Oil Piston Rings
• (6) Engine Piston Assemblies
• (12) Retaining Rings
• (6) Piston Ring Sets
• (6) Piston Pins
• (6) ISX Connecting Rod Bearings
• (1) Main Bearing Set
• (7) Upper Main Bearings
• (7) Lower Main Bearings
• (4) Standard Crankshaft Thrust Bearings
• (1) O-Ring Seal
• (1) Bypass Valve Plunger
• (1) Oil Pan Gasket
• (1) Upper Engine Gasket Set
• (1) Thermostat Seal
• (1) O-Ring Seal
• (1) O-Ring Seal
• (1) O-Ring Seal
• (1) O-Ring Seal
• (1) Thermostat Housing Cover Gasket
• (4) Exhaust Manifold Gaskets
• (2) Grommet Seals
• (1) Exhaust Manifold Gasket
• (1) Water Seal
• (5) O-Ring Seals
• (6) Copper XPI Injector Seals
• (2) Sealing Washers
• (1) Thermostat Housing Gasket
• (1) Exhaust Outlet Gasket
• (1) Intake Manifold Gasket
• (2) O-Ring Seals
• (1) Water Seal
• (1) Turbocharger Gasket
• (1) Rectangular Ring Seal
• (1) Electrical Connector Seal
• (1) O-Ring Seal
• (1) Rectangular Strip Seal
• (2) Seal Carriers
• (2) Turbo Hose O-Ring Seals
• (1) O-Ring Seal
• (1) O-Ring Seal
• (1) O-Ring Seal
• (16) Sealing Washers
• (2) Sealing Washers
• (8) Cavity Plugs
• (2) Sealing Washers
• (1) O-Ring Seal
• (8) Sealing Washers
• (1) Oil Drain Gasket
• (1) Exhaust Outlet Connection Gasket
• (1) Camshaft Cover Seal
• (1) Injector Gasket
• (6) O-Ring Seals
• (3) Gaskets
• (1) Valve Cover Gasket
• (6) HPI/XPI O-Ring Seals
• (2) O-Ring Seals
• (1) Grommet Seal
• (1) Camshaft Cover Gasket
• (1) Cylinder Head Gasket

Warranty: 2-Year Parts and Labor Warranty