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A worn or damaged lawn mower belt can lead to inconsistent cutting performance, reduced power, and even further damage to your mower. Selecting the correct replacement belt ensures optimal function, prolongs the life of your equipment, and makes lawn maintenance a smoother, more efficient task.
Replaces OEM Part: John Deere GX20072, John Deere UC32283, John Deere GY20570
GX20072 Deck Belt Dimensions: 1/2 (0.50) in. width x 103.7 (104) in. length
Fits: GX20072 John Deere 42 Inch Deck Belt Compatible with D110, L110, D105, E100, D130, S100, LA105, LA115, L100
Fits: GX20072 John Deere 42 Inch Deck Belt Compatible with D100, E130, L111, E110, E120, D125, 125, LA135, LA110, LA120, S120, LA125
Fits: UC32283 John Deere 42 Inch Deck Belt Compatible with L105, L107, L108, L118, L130, LA100, X105, X106, X107, X110, X120, X125, X126, X127, X145, 102, 105, 108, 115, 125, 135, 107S, D120, S110, S220 100 Series Tractors
Fits: GX20072 42 Inch Deck Belt Compatible with Sabo 108-14.5, 108-17HS; Sabre 14.542GS, 17.542HS, 1442, 1642HS, 1742HS, 1742PR (PC9096); Scotts L17.542, L1742
1-Year Product Support: We provide one year of product support for manufacturing defects and product-related issues.
Superior Quality: Built with aramid tensile cords, a natural rubber body, and a durable two-layer wrapping cover for maximum strength, durability, and flexibility. Lab-tested for low friction and minimal wear volume to ensure long-lasting performance...
405143 Deck Belt Dimensions: 0.5 in. width x 105.75 in. length
Important: Parts may differ between different configurations of the same mower model. Please confirm the complete model number to ensure a proper fit. For a more detailed list of compatible models, check the description below
Fits: 405143 Husqvarna 46 inch Mower Deck Belt Compatible with YTH22V46, YTH20K46, YT46LS, YTH21K46, YTA22V46, YTH2246, 2346XLS, 2246LS, 2146XLS, YTH2146XP, YTA1946, YTA20V46, YTH22V46XLS, YTH2242, YTH18K46, YTH20V46, YTH2146, YTH223T, YTH224TFI, YTH224T...
Fits: 405143 Craftsman 46 Inch Mower Deck Belt Compatible with 917.289542 (YTH20K46), 917.289543 (YTH20K46), 917.289541 (YTH20K...
1-Year Product Support: We provide one year of product support for manufacturing defects and product-related issues.
Superior Quality: Built with aramid tensile cords, a natural rubber body, and a durable two-layer wrapping cover for maximum strength, durability, and flexibility. Lab-tested for low friction and minimal wear volume to ensure long-lasting performance...
Fits: 532405143 Poulan 46 Inch Mower Deck Belt Compatible with PP20VA46, PP22VH46, PB185A46LT, PB18VA46, PB19546LT, PB195H46YT, PB195H46YTX, PB20H46LT, PB20H46YT, PB20A46, PB20A46YT, PB20VA46, PB22H46YT, PB23H46YT, PP175G46, PP175H46, PP19H46, PB22H46YTX
Fits: 405143 46 Inch Mower Deck Belt Compatible with Jonsered: YT46, LT2223A2, LT2320A2; AYP: P185117H, P185107H; RedMax: YT2246, YT1846; Dixon: D21KH46, D2246YT, D22H46, D22KH46
Material Quality: 405143 Deck Belt is built with aramid tensile cords, a natural rubber body, and a two-layer wrapping cover for maximum strength, durability, and flexibility.
954-04060C Dimensions: 0.5 in. width x 96.50 in. length
Replacement Belt: 954-04060C Deck Belt Compatible with Troy Bilt Pony (13AN77TG766, 13AN77TG711, 13AN77KG211, 13AN77KG066, 13AN77KG011, 13AN779G766, 13AM77BS223, 13AM77BS023, 13AB77BS223, 13AB77BS023). Please confirm the complete model number to ensure a...
Replacement Belt: 954-04060B Deck Belt Compatible with Craftsman T110 (CMXGRAM221307 13AN77XS391, CMXGRAM1130037 13AN77XSB93 13AN77XS293, CMXGRAM1130036 13AN77XSA93, 13AN77XS093). For a more detailed list of compatible models, check the description below
Made From Strong Material to Prevent Stretching and Rollover
Width 1/2" X Length 104"
Also Fits Models: LA135 w/Collection System, LA135 46 inch Snow Blade, LA135 44 inch 2-Stage Snow Blower, LA125, LA125 w/Collection System, LA125 46 inch Snow Blade
Also Fits Models: LA125 44 inch 2-Stage Snow Blower, LA120 w/Collection System, LA120 46 inch Snow Blade, LA120 44 inch 2-Stage Snow Blower, LA120 42 inchDeck
Also Fits Models: LA115, LA115 w/Collection System, LA115 46 inch Snow Blade, LA115 44 inch 2-Stage Snow Blower, LA110 w/Collection System, LA110 46 inch Snow Blade
Also Fits Models: LA110 44 inch 2-Stage Snow Blower, LA110 42 inch Deck, LA110 42 inch 2-Stage Snow Blower, LA105, LA105 w/Collection System, LA105 46 inch Snow Blade
Also Fits Models: LA105 44 inch 2-Stage Snow Blower, LA100 w/Collection System, LA100 46 inch Snow Blade, LA100 44 inch 2-Stage Snow Blower, LA100 42 inch Deck and More...
1-Year Product Support: We provide one year of product support for manufacturing defects and product-related issues.
Superior Quality: Built with aramid tensile cords, a natural rubber body, and a durable two-layer wrapping cover for maximum strength, durability, and flexibility. Lab-tested for low friction and minimal wear volume to ensure long-lasting performance...
Fits select 52-inch Gravely ZT X models, as well as 52-inch and 54-inch ZT XL models; ZT Series 2552. ZTXL Series 2554, 54, ZTXL54 (915164, 915158), ZTXL2554 (915138, 915114)
1-year warranty: Free replacement or a refund for any defective belt.
High-strength Aramid cord material for reduced wear and tear
Heavy-duty mower belt parts construction for maximum durability
【Compatibility】Mower Deck belt Compatible with John Deere 42 inch lawn mower replaces part# GX20072 GY20570. Replacement deck belt provides reliability for the lawn mower, helps maintain the best performance and extend the service life of riding...
【Compatibility】Deck belt for 42 inch lawn mower Compatible with John Deere D100 D105 D110 D120 D125 D130 X105 X106 X126 E100 E110 E120 E130 S100 100 Series Tractors; L100 L105 L107 L108 L110 L111 L118 L130 L1742 102 105 107S 115 125 135 LA100 LA...
【Premium Material】Lawn mower deck belt is made of high-quality Aramid and Neoprene, which is heat and abrasion resistant and non-conductive. Higher tensile strength, heavy duty.
【Easy to install】Belt Size:1/2" width x 103.7" length. Designed for DIY-friendly replacement—no special tools needed. This belt is an excellent mower parts for maintaining and repairing your lawn mower.
【Package List】Package includes 1* deck belt for John Deere 42 inch riding mower. Pls contact us freely if you have any questions for lawn mower drive belt.
Fits as a Replacement Deck Belt for: Exmark QUEST QSS708GEM50200, QSS725GKC50200, QT24KA501, QTE691KA501, QTE708GEM50200, QTE735KC501, QTS691KA502, QTS708GEM50200, QTS725GKC50200, QZE725GKC50200, QZS691CKA50200, QZS708GEM50200
Wear Resistance: Lab-tested with low friction and minimal wear volume, ensuring long-lasting performance.
Load Capacity: Proven high breaking strength and flexibility to handle heavy-duty use without failure.
Material Quality: Built with aramid tensile cords, a natural rubber body, and a two-layer wrapping cover for maximum strength, durability, and flexibility.
Designed under controlled standards with a tolerance of ±0.40". Slight length variations are a normal part of manufacturing and do not affect performance.
Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lawn Mower Belts
Understanding Belt Types
Lawn mower belts are typically categorized by their construction and intended use. The most common types are deck belts, which drive the mower blades, and drive belts, which transmit power from the engine to the transmission and wheels. Deck belts are often exposed and designed for high-speed rotation, while drive belts handle higher torque and are generally more robust.
Key Specifications to Check
Length: This is the most critical measurement. Measure the old belt or consult your mower's manual. Belts are often listed by their outer circumference.
Width: The belt needs to fit snugly within the pulleys. Common widths include 1/2 inch, 5/8 inch, and 3/4 inch.
Thickness/Profile: Some belts have specific profiles (e.g., trapezoidal) to interface correctly with pulley grooves.
Material: Look for durable materials like reinforced rubber or Kevlar for longevity and resistance to stretching and heat.
Identifying Your Mower's Belt
The most reliable way to find the correct belt is by consulting your lawn mower's owner's manual. It will specify the exact part number or dimensions required. If the manual is unavailable, you can often find the part number stamped directly onto the old belt. Alternatively, carefully measure the circumference and width of the existing belt, noting any specific grooving or shape.
When to Replace Your Belt
Regular inspection is key. Look for signs of wear such as fraying, cracking, glazing (shiny, smooth surface), or excessive stretching. If you notice a decrease in cutting performance, hear unusual noises from the deck, or the belt slips frequently, it's likely time for a replacement.
Frequently Asked Questions
How do I measure a lawn mower belt if I can't find a part number?
If you cannot find a part number, you can measure the belt's outer circumference when it's laid flat. You should also measure its width across the top surface. Note any special shapes or grooves, as these are important for proper pulley engagement.
Can I use a belt that's slightly longer or shorter?
It is not recommended to use a belt that is significantly different in length. A belt that is too short will bind and potentially damage pulleys or break, while a belt that is too long will slip, reducing power and causing premature wear.
What does 'Kevlar' mean for a mower belt?
Kevlar is a synthetic fiber known for its strength and durability. Kevlar belts are reinforced, making them highly resistant to stretching, heat, and wear, which translates to a longer lifespan and more consistent performance.
How often should I inspect my mower belt?
It's best to inspect your mower belt at the beginning of each mowing season and periodically throughout, especially after heavy use or if you've hit any debris. This allows you to catch potential issues before they cause a breakdown.
What's the difference between a deck belt and a drive belt?
A deck belt powers the mower blades on the cutting deck, while a drive belt transmits power from the engine to the transmission and wheels, propelling the mower. They have different functions and often different specifications.
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