Mitsubishi S3Q S3Q2 S3Q2T Engine Rebuild Kit For Caterpillar 303.5C/303CCR Excavator. Mitsubishi S3Q S3Q2 S3Q2T Diesel Engine. 1 Set of Overhaul Gasket Kit. 3 Cylinder Liners Semi-finished. 1 Set Ring For 3 Pistons. 1 Set of Main Bearing(with flange type) Set STD. 1 Set of Rod Bearing Set STD. 1 Set of Cam Bearing Set. 3 Connect Rod Bush. Caterpillar 303.5D Excavator with S3Q2 Engine. CATERPILLAR 303C CR MINI EXCAVATOR with S3Q2. Caterpillar 303.5C CR Mini Excavator With S3Q2. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment\Excavators”. The seller is “mas_partsdirect” and is located in this country: MY. This item can be shipped to United States.