Best Seller 954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5"
954-05021 green mower deck belt in BlueStars packaging for Cub Cadet, Troy Bilt, and MTD lawn tractors.
Specification chart for 954-05021 mower deck belt showing dimensions, length, and width details.
Comparison graphic showing 954-05021 mower deck belt grip and stability versus standard worn-out lawn tractor belts.
Infographic showing 954-05021 mower deck belt performance features including fatigue life and bonding strength.
Infographic showing 954-05021 mower deck belt construction with heat-resistant rubber and aramid fiber cord details.
954-05021 mower deck belt compatibility chart showing replacement part numbers and compatible lawn tractor models.
Instructional guide for identifying the correct 954-05021 mower deck belt for lawn tractors.
954-05021 mower deck belt and drive belt maintenance combo chart for Cub Cadet, Troy Bilt, and Craftsman tractors.
954-05021 mower deck belt diagram showing installation on a lawn tractor to fix common cutting and blade issues.
954-05021 green mower deck belt in BlueStars packaging for Cub Cadet, Troy Bilt, and MTD lawn tractors.
Specification chart for 954-05021 mower deck belt showing dimensions, length, and width details.
Comparison graphic showing 954-05021 mower deck belt grip and stability versus standard worn-out lawn tractor belts.
Infographic showing 954-05021 mower deck belt performance features including fatigue life and bonding strength.
Infographic showing 954-05021 mower deck belt construction with heat-resistant rubber and aramid fiber cord details.
954-05021 mower deck belt compatibility chart showing replacement part numbers and compatible lawn tractor models.
Instructional guide for identifying the correct 954-05021 mower deck belt for lawn tractors.
954-05021 mower deck belt and drive belt maintenance combo chart for Cub Cadet, Troy Bilt, and Craftsman tractors.
954-05021 mower deck belt diagram showing installation on a lawn tractor to fix common cutting and blade issues.

954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5"

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954-05021 Mower Deck Belt (99.75" x 0.5")

Key Features

  • Type: Mower Deck Drive Belt
  • Length: 99.75 inches
  • Width: 0.5 inches (1/2")
  • Material: Aramid fiber-reinforced construction for high tensile strength and durability.
  • Design: Engineered for reduced slippage and consistent power transfer to mower blades.

Replaces / Cross-Reference Part Numbers

  • 954-05021
  • 954-05021A
  • 754-05021
  • 490-501-M062
  • 265-435
  • 75-400

Compatibility & Fitment

  • Fits select lawn tractors and riding mowers from Cub Cadet, Troy-Bilt, MTD, and Craftsman.
  • Commonly used on models with 46-inch and 50-inch cutting decks.
  • Confirm fitment by verifying the part number in your equipment's owner's manual.

When to Replace

  • Visible signs of wear such as cracking, fraying, glazing, or exposed cords.
  • Noticeable stretching or incorrect tension, leading to belt slippage.
  • Reduced cutting performance, uneven cut quality, or blades failing to engage.
  • Audible squealing or grinding sounds from the deck during operation.

Installation Tips

  • Before installation, disconnect the spark plug wire for safety.
  • Refer to your owner's manual for the specific belt routing diagram for your model.
  • Inspect all deck pulleys and tensioner springs for wear or damage and replace if necessary.
  • Ensure the belt is correctly seated in all pulley grooves and that proper tension is applied.

Compatibility & Fitment

    954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 1
    954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 2
    954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 3
    954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 4
    • 954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 1

      PART NUMBERS

      This Deck Belt replaces: MTD/Cub Cadet/Craftsman 754-05021, 954-05021, 490-501-C062, 490-501-M062, CMXGZAM501062
    • 954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 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
    • 954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 3

      FIX MOWER'S SYMPTOMS

      Uneven Grass Cutting, Loud or Unusual Noises, Excessive Vibration, Burning Smell, Slipping or Stalling Blades
    • 954-05021 Mower Deck Belt - Cub Cadet/Troy-Bilt/MTD, Replaces 754-05021/490-501-C062, 99.75" x 0.5" 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 select 42-inch deck riding mowers and lawn tractors from Cub Cadet, Troy-Bilt, MTD, and Craftsman. Known fit families mentioned in manufacturer listings include Cub Cadet XT1 and XT2 Enduro Series models such as LT42, LT42 EFI, LT42 KH, LX42, LX42 EFI, LX42 KH, and LX42 KW, along with some Craftsman T8000, T7800, and T210 tractors. Because 42-inch decks can use different belt routings depending on year and build, match your exact model number and original belt number before ordering.
    This mower deck belt replaces part numbers 954-05021, 754-05021, 490-501-C062, and 490-501-M062. Cross-reference numbers also associated with this belt include 754-05021A and 954-05021A. The safest way to confirm fit is to compare both the part number and your tractor's 42-inch deck application.
    Common signs of a worn deck belt include blades that stop or slow down in heavy grass, squealing when the PTO is engaged, uneven cutting, a burning rubber smell, visible cracking or glazing on the belt, or the belt repeatedly jumping off the pulleys. If the belt has stretched, the deck may also engage poorly or lose blade speed under load.
    This is the mower deck belt used to drive the cutting blades on select 42-inch decks. It is not the ground drive belt that propels the tractor forward or backward. On many listings for this part family it may also be described as a deck and PTO belt, but its application is still tied to the 42-inch mower deck system.
    Before installing the new belt, inspect the spindle pulleys, idler pulleys, belt keepers, tension spring, and PTO engagement system. A new belt can fail quickly if an idler bearing is seized, a pulley is bent, a spindle is rough, or a belt guide is out of position. It is also smart to clean packed grass from the deck and confirm the belt routing matches the decal or service diagram for your exact tractor.
    For most 42-inch riding mowers, this is a moderate repair. Many owners can complete it in about 30 to 90 minutes depending on deck access and whether the deck must be lowered or removed. Typical tools include sockets or wrenches, pliers for spring handling, and possibly a breaker bar or ratchet to relieve belt tension. Always disconnect the spark plug wire and remove the key before working around the deck or PTO system.
    The most common causes are normal wear, heat buildup from slipping, misaligned pulleys, weak idler tension, seized pulley bearings, and debris packed around the deck. Hitting sticks or running in heavy wet grass can also overload the belt. If your old belt shredded or flipped over instead of simply wearing thin, check for a pulley or keeper problem before installing the replacement.