---
product_id: 540559438
title: "UDC Parts GX21833 GX20571 Mower Deck Belt, 1/2\" x 141.7\", Aramid Cord | Fits John Deere 48 Inch D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 145 155C D150 E150 LA140 LA155"
brand: "udc mower belts"
price: "$58.76"
currency: USD
in_stock: true
reviews_count: 13
category: "Udc Mower Belts"
url: https://www.desertcart.us/products/540559438-udc-parts-gx21833-gx20571-mower-deck-belt-1-2-x
store_origin: US
region: United States of America
---

# 141.7 inch length precision OEM fit for 30+ mower models Aramid cord for max durability UDC Parts GX21833 GX20571 Mower Deck Belt, 1/2" x 141.7", Aramid Cord | Fits John Deere 48 Inch D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 145 155C D150 E150 LA140 LA155

**Brand:** udc mower belts
**Price:** $58.76
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your mower’s heart with the belt that means business!

## Quick Answers

- **What is this?** UDC Parts GX21833 GX20571 Mower Deck Belt, 1/2" x 141.7", Aramid Cord | Fits John Deere 48 Inch D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 145 155C D150 E150 LA140 LA155 by udc mower belts
- **How much does it cost?** $58.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/540559438-udc-parts-gx21833-gx20571-mower-deck-belt-1-2-x)

## Best For

- udc mower belts enthusiasts

## Why This Product

- Trusted udc mower belts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Durability:** Aramid tensile cords and dual-layer wrap deliver superior wear resistance and long-lasting strength.
- • **Heavy-Duty Performance:** Lab-tested for high breaking strength and flexibility to handle tough mowing conditions without failure.
- • **Effortless Installation:** OEM-grade replacement that installs smoothly, restoring drive performance with zero slipping or noise.
- • **Precision Engineered Fit:** Exact 0.56" x 141.7" size ensures seamless compatibility with John Deere & Toro decks.
- • **Wide Compatibility Spectrum:** Fits 30+ John Deere, Toro, Cub Cadet, and Exmark mower models—one belt to rule them all.

## Overview

The UDC GX21833 Mower Deck Belt is a premium replacement belt designed for 48-inch decks, featuring a precise 141.7-inch length and 0.56-inch width. Constructed with aramid tensile cords and a dual-layer rubber wrap, it offers exceptional durability and flexibility. Compatible with over 30 John Deere, Toro, Cub Cadet, and Exmark mower models, this belt delivers OEM-level performance, ensuring smooth, slip-free operation and long-lasting reliability for professional-grade lawn care.

## Description

Product description Step by step instruction

Review: Great replacement, works like OEM. - Picked up this lower drive belt as a replacement and it turned out to be a great fit. The size matched perfectly and installed without any issues, which is always a relief when dealing with mower parts. Once everything was back together, the machine ran smoothly with no slipping or unusual noise. The belt feels well constructed—flexible but strong—and it handled regular use without any problems so far. It restored proper drive performance right away, which tells me it’s doing exactly what it should. Overall, this is a dependable replacement part that performs just like the original. Good quality for the price and definitely worth it if you need a solid, no-hassle fix.
Review: True 5/8" x 41.5" belt - True 5/8" x 41.5" belt. Fit my older Craftsman/Yard Machines mower just right. It's got several hours of mowing on it already and the only wear showing is some of the "newness" wearing off. A perfect replacement for the mower's original (15+ years old!) belt.

## Features

- Replacement For OEM Parts: John Deere GX20571, GX21833; Cub Cadet/MTD 754-05008, 954-05008
- Dimensions: 0.56 in. width x 141.70 in. length, for 48 inch Deck
- Replacement Belt: GX21833 John Deere 48 Inch Deck Belt Compatible with 145 (PC9537), 155C (PC9538), D140 (PC10445), D150 (PC10446), D155 (PC12495), D160 (PC10447), E140 (PC13338), E150 (PC13339), E160 (PC13340), E170 (PC13341), L120 (PC9290), L130 (PC9291), LA130 (PC9633), LA140 (PC9634), LA145 (PC9744), LA155 (PC9745), LA165 (PC9746), S140 (PC13992), S160 (PC13994), S170 (PC13995), X140 (PC9638), X165 (PC10451), X166 (PC13345), X167 (PC13999), Z255 (PC11642), Z355E (PC12789)
- Fits as a Deck Belt for: Toro TimeCutter 5000, 5000C, MX 5000, MX 5025, MX 5050, MX 5060, MX 5075, MX 5075T, ZS 5000, ZS 5000TF, SS 5000, SS 5035, SS 5060, MyRIDE, SWX 5000, SWX 5050, MR5075T
- Fits as a Replacement Deck Belt for: Toro 74387, 74395, 74630, 74631, 74632, 74635, 74637, 74638, 74641, 74643, 74660, 74661, 74694, 74695, 74730, 74731, 74770, 74772, 74775, 74776, 74795, 74798, 75750, 75750TA, 75751, 75753, 75755, 75759, 75761TA
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BZS1R73G |
| Belt Style | Deck Belt |
| Best Sellers Rank | #14 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Lawn Mower Belts |
| Brand | UDC Mower Belts |
| Brand Name | UDC Mower Belts |
| Color | Gray |
| Compatible Devices | John Deere 145, 155C, D140, D150, D155, D160, E140, E150, E160, E170, L120, L130, LA130, LA140, LA145, LA155, LA165, S140, S160, S170, X140, X165, X166, X167, Z255, Z355E Compatible Devices John Deere 145, 155C, D140, D150, D155, D160, E140, E150, E160, E170, L120, L130, LA130, LA140, LA145, LA155, LA165, S140, S160, S170, X140, X165, X166, X167, Z255, Z355E See more |
| Compatible Lawn Mower Models | Cub Cadet RZT-S50, John Deere 145, John Deere 155C, John Deere D140, John Deere D150, John Deere D155, John Deere E140, John Deere E150, John Deere E160, John Deere E170, John Deere L120, John Deere L130, John Deere LA145, John Deere LA155, John Deere LA165, John Deere Z255, MTD 75751, MTD 75755W, Toro 119-8820, Toro 74694, Toro 75750, Toro 75753, Toro 75755, Toro RZT-L50 KH |
| Customer Reviews | 4.3 out of 5 stars 11,846 Reviews |
| Included Components | Aramid cord |
| Item Dimensions L x W | 141.7"L x 0.56"W |
| Item Weight | 0.15 Kilograms |
| Manufacturer | UDC Mower Belts |
| Material | Aramid |
| Material Type | Aramid |
| Part Number | GX20571 |
| Product Dimensions | 141.7"L x 0.56"W |
| Style Number | GX21833 |
| Unit Count | 1.0 Count |

## Product Details

- **Belt Style:** Deck Belt
- **Brand:** UDC Mower Belts
- **Material:** Aramid
- **Product Dimensions:** 141.7"L x 0.56"W

## Images

![UDC Parts GX21833 GX20571 Mower Deck Belt, 1/2" x 141.7", Aramid Cord | Fits John Deere 48 Inch D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 145 155C D150 E150 LA140 LA155 - Image 1](https://m.media-amazon.com/images/I/71U2ynycwVL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement, works like OEM.
*by J***L on April 26, 2026*

Picked up this lower drive belt as a replacement and it turned out to be a great fit. The size matched perfectly and installed without any issues, which is always a relief when dealing with mower parts. Once everything was back together, the machine ran smoothly with no slipping or unusual noise. The belt feels well constructed—flexible but strong—and it handled regular use without any problems so far. It restored proper drive performance right away, which tells me it’s doing exactly what it should. Overall, this is a dependable replacement part that performs just like the original. Good quality for the price and definitely worth it if you need a solid, no-hassle fix.

### ⭐⭐⭐⭐⭐ True 5/8" x 41.5" belt
*by B***M on April 26, 2026*

True 5/8" x 41.5" belt. Fit my older Craftsman/Yard Machines mower just right. It's got several hours of mowing on it already and the only wear showing is some of the "newness" wearing off. A perfect replacement for the mower's original (15+ years old!) belt.

### ⭐⭐⭐⭐⭐ Great belt, fit perfectly. Works well.
*by H***Y on April 19, 2026*

My original review gave it three stars because of slippage and I wrongly placed blame on this product because I just could not see any other issue, but upon further investigation my belt tension spring needed replacement and though it appeared to be in good condition, replacing it fixed the problem and the belt functioned as designed. I apologize to the seller for leaving a less than positive review for something that was not their fault. This belt is amazing and I appreciate the great quality at a low price. I will order another.

## Frequently Bought Together

- UDC Parts Mower Deck Belt GX21833 / Aramid Cord/for John Deere D140, L130, L120, LA145, D160, E140 with 48 inch Deck Replaces OEM GX20571 GX21833
- DVPARTS Mower Deck Belt Tension Spring GX21582 GX20377 for John Deere L120 L130 X140 145 D140 D150 D155 D160 D170 G110 L120 L130 LA130 LA140 LA145 LA150 LA155 LA165 LA175 X165 G110 L2048 L2548 (2)
- Maxpower 561812B Set of 3, 3-N-1 Blades for 48" Cut John Deere, Replaces AM137757, AM141035, GX21784, GY20852, Black

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-23*