Best Seller 954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143"
954-04138A mower deck belt in BlueStars branded retail packaging for 54-inch zero turn mowers.
Infographic showing specifications and dimensions for 954-04138A mower deck belt, 5/8 inch by 143 inches.
954-04138A mower deck belt compatibility chart for Cub Cadet, MTD, and Craftsman zero-turn mowers.
Infographic guide for identifying 954-04138A mower deck belt application and compatibility.
Infographic showing 954-04138A mower deck belt compatibility chart for 54-inch Cub Cadet, Craftsman, and MTD mowers.
Infographic showing 954-04138A mower deck belt construction with aramid fiber cords and chloroprene rubber.
954-04138A mower deck belt for 54-inch zero turn mowers shown with diagnostic symptoms for lawn mower repair.
BlueStars 954-04138A mower deck belt performance comparison infographic showing aramid cord construction.
Installation guide for 954-04138A mower deck belt showing maintenance tips for pulleys and tensioner springs.
954-04138A mower deck belt installation guide with step-by-step instructions for zero turn mowers.
954-04138A mower deck belt in BlueStars branded retail packaging for 54-inch zero turn mowers.
Infographic showing specifications and dimensions for 954-04138A mower deck belt, 5/8 inch by 143 inches.
954-04138A mower deck belt compatibility chart for Cub Cadet, MTD, and Craftsman zero-turn mowers.
Infographic guide for identifying 954-04138A mower deck belt application and compatibility.
Infographic showing 954-04138A mower deck belt compatibility chart for 54-inch Cub Cadet, Craftsman, and MTD mowers.
Infographic showing 954-04138A mower deck belt construction with aramid fiber cords and chloroprene rubber.
954-04138A mower deck belt for 54-inch zero turn mowers shown with diagnostic symptoms for lawn mower repair.
BlueStars 954-04138A mower deck belt performance comparison infographic showing aramid cord construction.
Installation guide for 954-04138A mower deck belt showing maintenance tips for pulleys and tensioner springs.
954-04138A mower deck belt installation guide with step-by-step instructions for zero turn mowers.

954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143"

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CONFIRM THIS PART FITS
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954-04138A, 754-04138A Mower Deck Belt | 143"

Key Features

  • Type: Mower Deck Belt
  • Dimensions (W x L): 5/8 in. x 143 in.
  • Material: Aramid fiber construction for enhanced durability and strength.

Replaces / Cross-Reference Part Numbers

  • 754-04138
  • 754-04138A
  • 954-04138
  • 954-04138A
  • 265-556
  • 15-112
  • 12768
  • 810-CBL2252T

Compatibility & Fitment

  • Deck Size: 54 inches
  • Cub Cadet: RZT 54
  • Craftsman: ZTL8000 (2012-2014)
  • MTD Gold: 54-inch Zero Turn
  • White Outdoor: ZT54
  • Yard-Man: Fits select models with 54-inch decks

When to Replace

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

Installation Tips

  • Disconnect the spark plug wire before servicing the mower deck for safety.
  • Refer to your mower's operator manual for the correct belt routing diagram.
  • Inspect all pulleys for wear, damage, or debris before installing the new belt.
  • Ensure the belt is correctly seated in all pulley grooves and tension is set to manufacturer specifications.
954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 1
954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 2
954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 3
954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 4
  • 954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 1

    PART NUMBERS

    This Deck Belt replaces part numbers: Husqvarna / AYP / Craftsman 180808, 532180808, 174369, 532174369, 531300771, 33908
  • 954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 2

    SAVING SOLUTION

    Enjoy the great feeling when your mower is repaired and works like before - BlueStars brings DIY solutions to help you deal with any trouble
  • 954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 3

    FIX MOWER'S SYMPTOMS

    Uneven Grass Cutting, Loud or Unusual Noises, Excessive Vibration, Burning Smell, Slipping or Stalling Blades
  • 954-04138A, 754-04138A Mower Deck Belt, 54" Cub Cadet RZT 54 Craftsman, 143" 4

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
CHECK BEFORE INSTALLING

CHECK BEFORE INSTALLING

Pulley Bearings: Make sure they spin freely, as damaged bearings can increase friction and wear | Pulleys Edges: Rust or sharp edges can cause belt damage | Pulley Grooves: Clean debris from the pulley grooves | Tensioner Spring: A weak spring can lead to belt slippage and increased friction
4 SIMPLE STEPS

4 SIMPLE STEPS

1. Remove key & disconnect spark plug wire(s) to prevent start; let engine cool | 2. Raise & secure deck, remove belt covers | 3. Release tension, remove old belt (note/take photos of routing) | 4. Install new belt, rotate blades/spindle to check alignment & operation.

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This belt fits many 54-inch mower decks used on Cub Cadet, Craftsman, MTD, White Outdoor, and Troy-Bilt zero-turn mowers. Models commonly referenced include Cub Cadet RZT-54, MTD ZT54 and ZTL8000, White Outdoor ZT54, certain Craftsman 54-inch deck zero turns, and Troy-Bilt zero-turn models such as 17ARCACQ011 and 17ARCACQ211. Specific Cub Cadet model numbers seen with this belt include 17AI2ACK709, 17AI2ACK710, and 17AI2ACK010. Because 54-inch decks can use different belt routings by model and serial range, match the full model number before ordering.
The main replacement numbers are 954-04138A, 954-04138, 754-04138A, and 754-04138. Additional cross-references found for this belt family include 754-05078, 954-05078, 791335, 791335X, 1-413308, 413308, and 574845603. If you are matching by number only, confirm your mower's deck size and routing because some cross-references may depend on the exact application.
This deck belt is commonly listed as 5/8 inch wide by 143 inches long. Some manufacturer listings show a top width of about .656 inch and a length of 143 inches, which is consistent with a 54-inch deck application.
Common signs include the blades not engaging, weak or uneven cutting, a burning rubber smell, belt squeal when the PTO is turned on, visible cracking or frayed edges, glazing on the belt sides, or the belt repeatedly jumping off the pulleys. On zero-turn mowers, a stretched belt can also cause poor blade speed and leave uncut strips of grass.
For most 54-inch zero-turn decks, this is a moderate repair. Plan on about 30 to 90 minutes depending on deck access and whether the deck must be lowered or removed. Typical tools include work gloves, a socket or wrench set, and sometimes pliers for spring-loaded idler components or belt keepers. Taking a photo of the belt routing before removal helps prevent misrouting during reassembly.
Check the idler pulleys, spindle pulleys, belt keepers, tension spring, and deck spindles before fitting the new belt. Spin each pulley by hand and listen for rough bearings or wobble. Make sure the pulley grooves are clean and not packed with grass. If the old belt failed from heat or slipping, also verify that the idler arm moves freely and that the deck is not binding from seized spindle bearings.
Early belt failure is usually caused by worn idler or spindle bearings, incorrect routing, weak belt tension, bent belt guides, or debris buildup around the pulleys. Running the deck in heavy growth at low engine speed can also increase slipping and heat. On older zero-turns, a pulley that is slightly out of alignment can quickly wear the belt edges and cause repeated throw-off.