Please refer to the Images above; Product Specifications, Associate Part Chart and the Model Fit Guide below to Ensure a proper fit. PRODUCT NUMBER AND VARIATIONS: 75-0904, 75 0904, 750904 PRODUCT TYPE: Square Washer SIZE: Weight 0.009 lbs. NOTES & DETAILS: Toro OEM 75-9040 IS COMMINLY USED - Supports and Retains the Carriage Bolt from Turning while tightening it and inserts into the Auger Housing also eliminates the carriage bolt from pulling through the plastics. COMMON SERIES APPLICATIONS: Toro Select Power Clear, PowerLite & Flex Force Snow Blower Models. MODEL FIT CHART: SNOWBLOWER’S POWERLITE Series – Model Numbers – (* Model Numbers 38170, 38171, 38172, 38173, 38175, 38176, 38177, 38178, 38182, 38183, 38273, 38274, 38283) POWER CLEAR Series – Model Numbers – (* Model Numbers 38272, 38282, 38472, 38473, 38474, 38475, 39901, 39901T, 39902) FLEX-FORCE Snowblower Series – Model Numbers – (* Model Numbers 31853, 31853T)