[Lifetime Warranty] [Upgraded Grip120] M126536 Mower Deck Belt for 38" and 42C Deck J-Deere LT133 LT150 LT155 LT160 LT166 LT180 Cub Cadet Lawn Mowers - Replaces 01005375 01005375P | 1/2" x 114.2"
M126536 green mower deck belt in BlueStars branded packaging for John Deere and Cub Cadet lawn mowers.
M126536 mower deck belt specifications chart showing dimensions, length, and width for lawn mower compatibility.
Comparison graphic showing M126536 mower deck belt stability and grip versus standard worn-out lawn mower belts.
M126536 mower deck belt performance infographic highlighting durability and bonding strength specifications.
M126536 mower deck belt features 3-layer material construction with chloroprene rubber and aramid fiber cords.
M126536 mower deck belt compatibility chart showing replacement part numbers and fitment for J-Deere and Cub Cadet mowers.
M126536 mower deck belt compatibility chart and product information for J-Deere and Cub Cadet lawn mowers.
Infographic showing M126536 mower deck belt installation on a John Deere lawn mower to fix common cutting symptoms.
M126536 mower deck belt installation guide for John Deere lawn mowers with step-by-step instructions.
M126536 green mower deck belt in BlueStars branded packaging for John Deere and Cub Cadet lawn mowers.
M126536 mower deck belt specifications chart showing dimensions, length, and width for lawn mower compatibility.
Comparison graphic showing M126536 mower deck belt stability and grip versus standard worn-out lawn mower belts.
M126536 mower deck belt performance infographic highlighting durability and bonding strength specifications.
M126536 mower deck belt features 3-layer material construction with chloroprene rubber and aramid fiber cords.
M126536 mower deck belt compatibility chart showing replacement part numbers and fitment for J-Deere and Cub Cadet mowers.
M126536 mower deck belt compatibility chart and product information for J-Deere and Cub Cadet lawn mowers.
Infographic showing M126536 mower deck belt installation on a John Deere lawn mower to fix common cutting symptoms.
M126536 mower deck belt installation guide for John Deere lawn mowers with step-by-step instructions.
Lifetime Warranty

[Lifetime Warranty] [Upgraded Grip120] M126536 Mower Deck Belt for 38" and 42C Deck J-Deere LT133 LT150 LT155 LT160 LT166 LT180 Cub Cadet Lawn Mowers - Replaces 01005375 01005375P | 1/2" x 114.2"

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M126536 Mower Deck Belt (1/2" x 114.2")

Key Features

  • Belt Type: Mower Deck Belt
  • Dimensions: 1/2" Width x 114.2" Outer Circumference
  • Construction: Aramid fiber cord for high tensile strength and durability
  • Design: Advanced compound for enhanced grip and reduced slippage

Replaces / Cross-Reference Part Numbers

  • M126536
  • M158692
  • M162443
  • 754-04137
  • 954-04137A
  • 75-299
  • 265-638
  • 12373

Compatibility & Fitment

  • Fits John Deere models with 38-inch and 42C (Convertible) decks:
    • LT133
    • LT150
    • LT155
    • LT160
    • LT166
    • LT180
  • Fits select Cub Cadet lawn mowers that specify part numbers 01005375 or 01005375P.

When to Replace

  • Visible signs of wear such as cracking, fraying, glazing, or peeling.
  • Noticeable stretching or loss of tension, leading to belt slippage.
  • Inconsistent blade speed or reduced cutting performance.
  • Squealing or chirping sounds from the deck during operation.

Installation Tips

  • Before installation, disconnect the spark plug wire to prevent accidental starting.
  • Consult your lawn mower's owner manual for the correct belt routing diagram.
  • Inspect all pulleys for wear or damage; replace if necessary for optimal belt life.
  • Ensure the new belt is properly seated in all pulley grooves.
  • Verify correct tension after installation; the belt should not be too tight or too loose.
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Product image
Product image
  • PART NUMBERS

    PART NUMBERS

    This Drive Belt replaces part numbers: J-Deere GX20006, UC30568; Stens 265-186
  • SAVING SOLUTION

    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
  • FIX MOWER'S SYMPTOMS

    FIX MOWER'S SYMPTOMS

    Uneven Grass Cutting, Loud or Unusual Noises, Excessive Vibration, Burning Smell, Slipping or Stalling Blades
  • IMPORTANT NOTE

    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.
FIT MODELS

FIT MODELS

J-Deere 105, 107, 108, 115, 125, 135, 145, 155c D110, D120, D130, D140, D150, D160, D170, L105, L107, L108, L110, L111, L118, L120, L130, LA110, LA115, LA120, LA125, LA130, LA135, LA140, LA145, LA150, LA155, LA165, LA175, X110, X120, X125, X140, X145, X165, X166 Lawn Tractors | Scott L17542, L17.542, L2048, L2548 Lawn Tractors | Sabre 1642HS, 17542 Lawn Tractors | Sabo 108-14.5, 108-17HS Lawn Tractors | CRAFTSMAN: PYT9000 247.289810 (13AR91PP099), 247.289060 | COLUMBIA: YT950KH (13AQ91GP897)

FAQ

This belt is commonly matched to John Deere LT133, LT150, LT155, LT160, LT166, and LT180 lawn tractors. Based on the available references, it is used on 38-inch decks and on certain 42C deck setups, especially LT180. Cross-reference listings also connect this belt number to some Cub Cadet, MTD, Troy-Bilt, Simplicity, Snapper, and Ferris applications. Because those non-Deere applications can vary by deck design, the safest way to confirm fit is to match your original belt number and deck size before ordering.
This belt replaces M126536, 01005375, and 01005375P. Additional cross-reference numbers found for this belt family include 5103653, 5103653YP, 7079186, 754-04137, 954-04137, 954-04137A, 68114, and 841140. Always confirm by both part number and deck application, since some brands may use similar-length belts on different routing layouts.
The listed belt size is 1/2 inch wide by about 114.2 inches effective length. Some references round that to 114 inches or 114-1/4 inches. Small rounding differences are common in belt listings, but you should still verify that your original belt number matches M126536 or one of its cross-references.
Common signs include the blades not engaging properly, weak or uneven cutting, belt squealing when the PTO is engaged, visible cracking or glazing, frayed belt edges, or the belt repeatedly jumping off the pulleys. On riding mowers, a stretched belt can also reduce blade speed enough to leave uncut strips or clumps even when the engine runs normally.
On most lawn tractors in this group, replacing the deck belt is a moderate repair. Expect roughly 30 to 90 minutes depending on whether the deck must be removed for access. Typical tools include a socket set, wrench set, pliers for spring clips, and a breaker bar or ratchet to relieve idler pulley tension. Taking a photo of the old belt routing before removal helps avoid misrouting during reassembly.
The most common causes are normal wear, heat buildup, debris packed around pulleys, seized or rough idler bearings, bent belt guides, and running the deck with poor pulley alignment. A new belt can wear out quickly if an idler pulley is dragging or if grass buildup prevents the belt from tracking correctly. If the old belt shredded or burned, inspect all pulleys and spindle bearings before installing the replacement.
Inspect the spindle pulleys, idler pulleys, tension spring, belt keepers, and deck spindle bearings. Clean packed grass from the deck shell and pulley grooves, and make sure every pulley turns smoothly without wobble or noise. Also confirm the belt routing for your exact deck size, since similar tractors may use different paths between 38-inch and 42C decks.