Replacement Flat Idler Pulley for Murray. Replaces Murray #91179, 421409. Rotary pulleys are made in the USA to meet or exceed original equipment specifications.
- Engine to transmission idler. Fits 38 Inch Cut 12 hp lawn tractor 1987-1993
- 3-11/32 Inch OD, 1/2 Inch ID, 11/16 Inch Height
- Composite: glass filled nylon
- No assembly required