This item is a third-party replacement engine part compatible with 4JB1 and 4JB1T engines.The product includes main bearings and con rod bearings, also referred to as crankshaft bearings. Part Type: Main and con rod bearing set for the 4JB1 engine series. Engine Fit: Designed specifically for use with the 4JB1 and 4JB1T engine models. Component Match: Includes crankshaft bearing components to restore equipment function and fit. Application Scope: Serves as a direct replacement part for standard 4JB1 engine assemblies. Specification Alignment: Manufactured to match the dimensional requirements of the named 4JB1 engine parts. ASIN B0H9H7SSN8 Model RGkQhVxhs123 Brand Name RGkQhVxhs Part Number RGkQhVxhs123 Manufacturer RGkQhVxhs Item Dimensions 1.97 x 1.18 x 0.79 inches Number of Items 1 Included Components Parts set