[Lifetime Warranty] [Upgraded Grip120] M154958 Secondary Deck Belt for 48 Inch Mower Deck J-Deere GT235 X300 X320 345 325 180 245 265 GX345 LX280 GT275 - Replaces 954-04055 754-04055 | 5/8" x 111.4"

[Upgraded Grip120] M154958 Secondary Deck Belt (5/8" x 111.4")

Key Features

• Belt Type: Secondary Deck Belt (Spindle to Spindle)
• Dimensions (W x L): 5/8 in x 111.4 in (Outer Circumference)
• Construction: Aramid cord reinforced for high tensile strength and resistance to wear.
• Design: Engineered for efficient power transfer between mower deck spindles.

Replaces / Cross-Reference Part Numbers

• John Deere: M154958
• MTD / Cub Cadet: 954-04055, 754-04055

Compatibility & Fitment

• Fits select John Deere mowers with 48-inch decks.
• Compatible Models Include: 180, 245, 265, 325, 345, GT235, GT275, GX345, LX280, X300, X320
• Note: Verify the part number and deck size from your equipment's manual before ordering.

When to Replace

• Visible signs of damage such as cracks, fraying, glazing, or worn edges.
• Audible squealing or slipping during mower deck operation.
• Decreased or inconsistent blade speed and cutting performance.
• Belt has become stretched and no longer maintains proper tension.

Installation Tips

• Disconnect the spark plug wire for safety before starting work.
• Lower the mower deck to its lowest position to relieve belt tension.
• Photograph the existing belt routing path before removal as a reference.
• Ensure the new belt is correctly seated in all pulley grooves.
• Check that all belt guards and keepers are properly reinstalled.