One New Aftermarket Replacement Heavy-Duty Deck Belt Fits John Deere 54" Mower Decks

This OEM-spec secondary deck drive belt is the inner belt that powers the blade spindles on Fits John Deere 54-inch mower decks. Built Made With Aramid (Made With Kevlar-equivalent) cord construction for superior heat and stretch resistance compared to standard rubber belts, it delivers reliable power transmission across the full blade engagement range. Replaces OEM part number M154960, which itself supersedes the earlier M143923.

Specifications

• Type: Wrapped V-Belt (HB Section)
• Width: 5/8" (0.630")
• Length: 120.7" effective
• Thickness: 0.483"
• Construction: Wrapped, Made With Aramid cord reinforced

Compatible Models

Fits John Deere GT Series (54" deck): GT225, GT235, GT235E, GT245

Fits John Deere GX Series (54" deck): GX255, GX325, GX335, GX345, GX355

Fits John Deere LX Series (54" deck): LX170, LX280, LX288

Fits John Deere X300 Select Series (54" deck): X320, X340, X360 -- X590 serial no. up to 110,000

Fits John Deere X500 Select Series (54" deck): X500, X520, X530, X534, X540, X590

Fits John Deere Deck: 54C

Replaces Part Number(s):

M154960, M154960-A, M143923 (superseded by M154960)

Aftermarket Interchange Numbers

Fits Stens 265-303, LAB40-0248

New aftermarket replacement part - not remanufactured, not used.