Maxiforce Overhaul Engine Kit, Standard Pistons, .020" Main Bearings, .020" Rod Bearings, 30° Valve Seats, 1004.40T 30 Valve Fractured Split for Perkins OK497 450-31116 uses replaceable filter inserts

uses replaceable filter inserts

Direct replacement for OEM BK504S-20/20

Water pump with hub for diesel tractors without air conditioning

Parts are interchangeable between the Perkins-badged and Caterpillar-badged variants

Direct replacement for OEM OK4020D/10-10/10

Maxiforce Overhaul Engine Kit, Standard Pistons, .020" Main Bearings, .020" Rod Bearings, 30° Valve Seats, 1004.40T 30 Valve Fractured Split for Perkins OK497 450-31116 uses replaceable filter insertsAftermarket Engine Overhaul Kit. Direct replacement for OEM OK497, OK430 20 20. 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.