The V-Belt Idler Pulley Replaces John Deere AM121967 and AM107334 is a premium replacement part engineered to maintain proper belt tension and alignment in your John Deere lawn tractor or mower deck. Built to meet or exceed OEM specifications, this idler pulley ensures smooth operation, reduced belt wear, and dependable performance season after season.

Constructed from heavy-duty steel and featuring a sealed ball bearing, this pulley provides long-lasting durability and quiet operation under demanding mowing conditions. Ideal for replacing worn or noisy pulleys and restoring factory-level performance to your John Deere equipment.

Specifications & Details:

• Part Type: V-Belt Idler Pulley

• Replaces OEM: John Deere AM121967, AM107334

• Material: Heavy-duty steel with sealed bearing

• Outer Diameter: Approx. 4" (varies by deck model)

• Bore Size: 3/8"

• Application: Fits select John Deere mower decks and drive systems

• Function: Maintains correct belt alignment and tension to reduce vibration and extend belt life

Features:

• Direct replacement for John Deere AM121967 and AM107334

• Precision sealed bearing for smooth, maintenance-free operation

• Durable steel construction for maximum strength and longevity

• Reduces belt slippage, noise, and wear

• Ideal for restoring performance to your John Deere mower deck or drive system