My 120-280R023 Model Overview from Home Depot Appliance Parts

Chain Tensioner

Part #: HD9115284

Manufacturer Part #: 731-1136

Screw-1/4-20 X .62

Part #: HD9298801

Manufacturer Part #: 710-0751

$5.95

Screw, 3/8-24 x 1.50 (w/25mm Blade Adapter)

Part #: HD9088496

Manufacturer Part #: 710-1044

The hex bolt attaches to the washer and the square key. This part is an OEM from Craftsman for use in snowblowers and lawn mowers. It is available as an individual replacement part and is made of meta...

$5.95

Washer-spring Bell

Part #: HD9301830

Manufacturer Part #: 736-0270

$5.95

Hex Nut 3/8-24 Thd.*

Part #: HD9299537

Manufacturer Part #: 712-0241

This is an authentic replacement part that has been sourced from the original manufacturer to be used with trimmers and lawnmowers from Ryobi and MTD. The metal nut is used with different types of mac...

$5.80

Screw, 1/4-20 X .750

Part #: HD16407705

Manufacturer Part #: 710-0642

This is a genuine replacement part manufactured for use with lawn and garden equipment. This hex head screw is flanged and has several applications. Please see model diagram and parts list for screw l...