GEN 37857R.S

Genie replacement tensioner assembly for compatible model garage door openers.

• Included with Tensioner Assembly: Pulley, Tensioner bracket, carriage pin, pulley bracket, washer, spring, hex nut, screw, pulley guard, and instructions
• Genuine Genie replacement part
• Belt and chain drive models: 1028, 1128, 2028, 2128, 3020H, 3020H-B, 3022, 3024, 3042, 3120H, 3120H-B, 3124H, 3142, 4022, 4024, 4042, 4124H, and 4142