This premium aramid-reinforced mower deck belt is designed to replace John Deere GX21833 on compatible riding mower, lawn tractor, and zero-turn mower deck applications. The heavy-duty wrapped construction provides dependable power transfer, resistance to heat and wear, and stable performance under repeated engagement. Its 14.2 mm width and 141.7-inch effective length match the GX21833 reference dimensions. Always confirm the original part number, mower model, deck size, belt routing, and belt dimensions before ordering.
Key Features
- Aramid-reinforced construction for strength and reduced stretching
- Designed for compatible riding mower and zero-turn mower deck drive applications
- Wrapped belt surface for dependable pulley engagement
- Heat-, oil-, and wear-resistant construction for outdoor equipment use
- Direct replacement for John Deere GX21833 reference applications
- 2 mm width and 141.7-inch effective length
- Suitable for select riding mowers, lawn tractors, and zero-turn mowers
Replaces OEM / Cross Reference
| Brand / Supplier |
Reference Number(s) |
| John Deere |
GX21833 |
| Aftermarket Alternative |
A-GX21833 |
| Deck Application |
Select riding mower and zero-turn mower decks |
| Equipment Families |
145, 155C, D140-D160, E140-E170, L120-L130, LA130-LA165, S140-S170, X140-X167, Z255, and Z355E applications |
| Application Note |
Fitment varies by deck configuration and production year; match the original belt number and dimensions |
| Aftermarket |
Premium aramid replacement mower deck belt |
Fits Brands
John Deere and compatible equipment using the GX21833 mower deck belt reference
Fits Models / Equipment Families (Partial List)
Select John Deere models including 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, and Z355E. Fitment can vary by deck configuration and production year; verify the original belt number and dimensions before ordering.
Package Contents
1 x premium aramid mower deck belt
Website Listing Information
| Product Title |
Premium Aramid Mower Deck Belt for John Deere GX21833, 14.2 mm x 141.7 in |
| URL Handle |
gm-mb002-john-deere-gx21833-deck-belt |
| Meta Title |
GX21833 Mower Deck Belt for John Deere Riding Mowers | GMX |
| Meta Description |
Premium aramid mower deck belt for compatible John Deere riding mower and zero-turn mower decks. Replaces GX21833. Measures 14.2 mm wide with a 141.7-inch effective length. |
| Search Tags |
GM-MB002, GMX mower belt, GX21833, John Deere deck belt, riding mower belt, zero turn mower belt, lawn tractor belt, aramid belt, deck drive belt, D140, E150, LA145, S160, Z255, Z355E |
Installation and Safety Notes
- Confirm the mower model, deck size, original belt number, belt routing, width, and effective length before ordering.
- Park on a level surface, disengage the blades, stop the engine, remove the key, and disconnect the spark plug or battery before service.
- Photograph or mark the original belt routing before removal and inspect pulleys, idlers, and tension springs for wear or damage.
- Install the belt fully inside each pulley groove and follow the equipment manufacturer’s routing and tension instructions.
- Rotate the pulleys by hand and verify proper belt seating and clearance before operating the mower.
