Parker's 6600 Series have double shut-off poppet valves and are interchangeable with other quick disconnects complying with ISO 7241 series A

cushion grip

BEARINGS AND SEALS: Bearing

Shell Diameter: 4-1/4"x 9"

pin (C5NN807D) and spring clip (311920)

Maxiforce Overhaul Engine Kit, Standard Pistons, .020" Main Bearings, .010" Rod Bearings, Naturally Aspirated, 3054B for Caterpillar 757136 Parker's 6600 Series have doubleAftermarket Engine Overhaul Kit. Direct replacement for OEM OK506 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.