6420 and more - Replaces OEM Numbers AL155873

806 and more – Replaces 326505R3

Fits John Deere Combine: 7460 - Replaces OEM Number AT172975

Komatsu replaces OEM numbers 33770-96121

Replaces AFH205822

Maxiforce Overhaul Engine Kit, Standard Pistons, .020" Main Bearings, .010" Rod Bearings, 30° Valve Seats, 1004.40T 30 Valve Fractured Split for Perkins OK497 N239034 6420 and more - ReplacesAftermarket Engine Overhaul Kit. Direct replacement for OEM OK497, OK430 20 10. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.