All ports 9/16 inch - 18 ORB

170 and more - Replaces OEM Number 87306706

CVX1155 and more - Replaces OEM Number 1-40-158-006

Aftermarket Thermostat for the Caterpillar 3044C NATURALLY ASPIRATED diesel engine

Maxiforce Overhaul Engine Kit, Standard Pistons, .030" Main Bearings, .020" Rod Bearings, 30° Valve Seats, 1004.40T 30 Valve for Perkins OK473 RCJ1-1/2 All ports 9/16 inch -Aftermarket Engine Overhaul Kit. Direct replacement for OEM OK473, OK430 30 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.