UDC Parts M154958 Secondary Deck Belt for John Deere 48-inch Decks – 111.40 in, Aramid Cord

Overview

Our UDC Parts M154958 Secondary Deck Belt is designed to keep your John Deere 48-inch deck operating smoothly, even during steady mowing sessions. Built with a robust aramid tensile cord and a natural rubber body, this belt balances strength with flexibility to support reliable drive and consistent blade engagement.

With a precise 111.40-inch length and 0.63-inch width, this belt sits between typical fuel-and-friction wear areas, offering steady performance under demanding conditions. A two-layer wrap cover adds an extra layer of protection against heat, debris, and humidity on the mower’s underside, helping the belt glide over pulleys with less resistance.

Key features

• OEM replacement compatibility: matches John Deere parts M154958 and M110313, plus related numbers from MTD and Cub Cadet
• Aramid tensile cords deliver high strength and resistance to stretch during long mowing sessions
• Natural rubber body provides needed flexibility for smooth operation
• Two-layer wrap cover protects against wear from debris and grinding surfaces
• Exacting dimensions: 0.63 in. width × 111.40 in. length for dependable fit
• Tolerances of ±0.40 in. acknowledge slight manufacturing variation without affecting performance
• Designed for compatibility with multiple 48-inch Deere decks and similar models

Material & build

• Aramid cords offer superior tensile strength and long-term durability
• Natural rubber body enables flexible movement and reduces snap risk under load
• Durable two-layer wrap cover shields core components from abrasion

Fit, compatibility & installation tips

Important: parts may differ between configurations of the same mower model. Please confirm the complete model number to ensure a proper fit. This belt is intended for John Deere 48-inch decks and related lines; verify your exact model against the listed compatible options before ordering.

Care & maintenance

Keep pulleys clean and aligned, inspect for wear, and replace in a timely fashion as part of routine deck maintenance. Regular checks can help maintain consistent cutting quality and reduce downtime.