41A2817 Chain Drive Gear & Sprocket Kit for Garage Door Opener 1/2 & 1/3 HP Moto
Garage Door Chain Drive Gear & Sprocket Kit ?. Compatible with 41A2817 & 41C4220A for 1/2 & 1/3 HP Openers. Durable Construction: Made from high-strength materials to resist wear and tear, extending the life of your garage door opener.