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Side Banner Advantage12/3/2013 12:00 AM

Cummins ISX, QSX Inframe-Overhaul Engine Rebuild Kit


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Engine Serial Number*
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Rod Bearing Sizes*
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Cummins ISX, QSX Inframe-Overhaul Engine Rebuild Kit

Parts Included In Engine Inframe Kit:
(6) Piston Kits (IPDSteel Piston - One Piece (see below), Rings, Wrist Pin, Pin Locks)
(6) Liner Kits (Liner with O-rings)
(1) Upper Gasket Set
(1) Oil Pan Gasket
(1) Pick Up Tube O-Ring
(6) Rod Bearings
(1) Main Bearing Set
(1) Bypass Valve, Plunger

Parts Included In Engine Overhaul Kit:
(6) Piston Kits (IPDSteel Piston - One Piece (see below), Rings, Wrist Pin, Pin Locks)
(6) Liner Kits (Liner with O-rings)
(1) Full Gasket Set
(1) Front Crankshaft Seal
(1) Rear Crankshaft Seal
(1) Pick Up Tube O-Ring
(6) Rod Bearings
(1) Main Bearing Set
(1) Bypass Valve, Plunger

Each IPDSteel Piston starts with a heat treated high strength steel casting, a manufacturing process developed by IPD. This process has been extensively tested and successfully proven in many applications since 2003. For the ISX/QSX, IPD offers the latest open and closed skirt profiles depending on application. Check the piston liner assembly reference below for more information.

Piston Liner Assembly Reference:

4089894
- Includes 1 Piece Steel Piston (Open Skirt with Radius Bowl. #4923743), Liner with Seal, Pin, Retainers & Ring Set. Use in Full Sets Only. Do Not Mix Piston numbers. Must be used with drilled connecting rods.

4089895 - Includes 1 Piece Steel Piston (Open Skirt with Chamfer Bowl. #4923744), Liner with Seal, Pin, Retainers & Ring Set. Use in Full Sets Only. Do Not Mix Piston numbers. Must be used with drilled connecting rods.

4955966 - Includes 1 Piece Steel Piston (Closed Skirt with Large 2.250 Center Bowl Configuration. #2863938), Liner with Seal, Pin, Retainers & Ring Set. Use in Full Sets Only. Do Not Mix Piston numbers. Must be used with drilled connecting rods.

4955967 - Includes 1 Piece Steel Piston (Closed Skirt with Small 1.930 Center Bowl Configuration. #2863939), Liner with Seal, Pin, Retainers & Ring Set. Use in Full Sets Only. Do Not Mix Piston numbers. Must be used with drilled connecting rods.

*Agkits.com recommends adding the camshaft bearings to the inframe kit. These bearings are almost always worn when it comes time to inframe. Each set includes (4) 3680580 (3) 3680581 & (7) 4026423. View this products related products tab to add them.

Engine Torque Specs:
Rod Bearing Torque: Used Bolts: 52 ft/lbs + 60 Degrees \ New Bolts: 29 ft/lbs, Loosen, Re-Torque 52 ft/lbs, +60 Degrees
Main Bearing Torque: Before engine serial number 79012120, 110 ft/lbs + 110 Degrees / After engine serial number 79012120, 300 ft/lbs, loosen, 300 ft/lbs + 90 Degrees
Intake Valve Lash .014" Cold
Exhaust Valve Lash .027" Cold
Cylinder Head Torque: 148 ft/lbs, 300 ft/lbs, +90 Degrees
Cylinder Head Torque Sequence ISX Cummins

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IPD