61506 U2131 71 : MAST SUB ASSY, INNER BARCODE 9TAA Equivalent Part: MB7009SI 9TAA Equivalent Part: MB7009SI KING (Crankshaft Bearing Set) General Characteristics: Type: Main Bearing Set Application: Engine Main Bearings Material: Typically made from high quality materials Applications: Heavy Duty Engines Industrial and Automotive Key Features: High Quality Manufacturing Reliability Compatibility Additional Information: Warranty: Typically comes with a 2 Year Parts and Labor Warranty Manufacturing Standards: Often produced in ISO 9001 certified facilities to ensure quality and consistency and exact specifications may require consulting a Komatsu parts catalog or contacting a Komatsu distributor directly 61506 U2131 71 : MAST SUB ASSY