[Lifetime Warranty] M154960 Secondary Deck Belt - Compatible with 54” Mower Decks John Deere, Lawn Tractors - 120.6" x 5/8"

M154960 Secondary Deck Belt

Key Features

• Application: Secondary Deck Drive
• Effective Length: 120.6 in (3063 mm)
• Top Width: 5/8 in
• Material: Aramid cord reinforced construction

Replaces / Cross-Reference Part Numbers

• John Deere: M154960, M143923
• Aftermarket: 810-CBL2262T

Compatibility & Fitment

• Fits John Deere lawn and garden tractors equipped with 54-inch mower decks.
• Compatible Models Include:
• GT Series
• GX Series: GX255, GX325, GX335, GX345, GX355
• LX Series: LX280
• X300 Series: X320, X340, X360
• X500 Series: X500, X520, X530, X534, X540, X590

When to Replace

• Visible signs of wear, such as cracking, fraying, or glazing.
• Audible squealing or slipping during operation.
• Reduced cutting performance or inconsistent blade speed.
• Belt has become stretched, loose, or damaged.

Installation Tips

• Disconnect the spark plug wire before performing service.
• Refer to the owner's manual for the correct belt routing diagram.
• Ensure all pulleys are clean, free of debris, and spin freely.
• Verify proper belt tension after installation as specified by the manufacturer.