Description: This flat idler pulley is made out of steel and has a flat outside diameter of 2-1/4" and offset of 1/16".  Replaces OEM Part Number (Please be sure of your OEM part number before purchase): 01038900, 73061 2306005, 38010-1A PL8036A 21060, 7314800 JT-102 552153 AM106542 483036 2120102AA 50045 BUP7861 48068 1-8585, 7-6688, 7076688, 76688 483036 Specs: Outer Diameter: 4-1/2" Flat Outer Diameter: 4" Flat Width: 3/4" Bore: 3/8" Offset: 3/16" Type: Steel Volume: 24.03 in³ Product Width: 1"