M126536 Mower Deck Belt | Fits 38" & 42C Deck John Deere LT133 LT150 LT155 & More | 114.25"

M126536 Mower Deck Belt | 114.25"

Key Features

• Application: Mower Deck Drive Belt
• Belt Type: V-Belt
• Construction: High-strength aramid cord reinforcement
• Length: 114.25 inches
• Width: 0.5 inches (1/2 inch)

Replaces / Cross-Reference Part Numbers

• M126536
• M158692
• M162443
• 754-04137
• 954-04137A
• 75-299
• 265-638
• 12373

Compatibility & Fitment

• Fits John Deere models with 38-inch and 42C (42-inch Convertible) mower decks.
• Compatible Models: LT133, LT150, LT155, LT160, LT166, LT180

When to Replace

• Visible signs of wear such as cracking, fraying, glazing, or separation.
• Belt has stretched, causing slipping and reduced blade performance.
• Audible squealing from the deck during operation.
• The belt has broken or is missing sections.

Installation Tips

• Disconnect the spark plug wire before starting work for safety.
• Photograph or sketch the original belt's routing path around the pulleys.
• Release the deck tensioner to loosen and remove the old belt.
• Inspect all pulleys and idlers for wear, damage, or debris before installing the new belt.
• Ensure the new belt is correctly seated in the groove of each pulley.