It offers a direct replacement option for these engine models

Fit for Komatsu Excavator: PC35R-8

Connecting Rod for Mitsubishi 4M40 Engine

21N6-43102

["SN: 28001-UP"]11

Overhaul Rebuild Kit For Mitsubishi K4E K4E-DI Airman Backhoe HM30S V2003-T It offers a direct replacementOverhaul Rebuild Kit For Mitsubishi K4E K4E DI Airman Backhoe HM30S Application: Models with Mitsubishi K4E DI, K4E, K4E 31HS, K4E 31FL, K4E 31DS, K4E 31DSA, K4E D31NSA, K4E 31NS, K4E D31NSA, K4E 31DB, K4E 61HMG, K4E 31HSA, K4E 31HMA, K4E 31HM Engine Compatible with Airman Backhoe HM30S Content: 1 Set of Overhaul Gasket Kit 4 Cylinder Liners 4 Pistons STD 4 Piston Pins 8 Snap Rings 4 Rod Bushings Set of piston rings 1 Set of Main Bearings 1 Set of Rod