gx21833
Worth a lookShows demand growing +215.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+215.3%90-day search growth — must beat 0% to launch
Conversion
Incredible13.3%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$24.21avg listing price — sweet spot $15–$100
Price range
Incredible$16.04–$40.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.2%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Review moat
Okay2,651.08avg incumbent reviews — the moat a new listing must climb
Market size
Okay$162K$162K/yr · 50K searches
Competition
Bad75%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, gx21833 is a $162K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 63/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
gx21833 market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $145K–$194K
- units × avg price
- Conversion rate
- 13.3%
- Avg BSR
- #197
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 92%
- Out of stock
- 0.0%
- Avg brand age
- 36 months
- Avg seller age
- 156 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 falling
Sellers
23
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
13%
- UDC Mower Belts32%
- Tecreddy18%
- John Deere14%
- Wanotine9%
- Holdly8%
- Anpongta5%
- Open — no brand owns it (5 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +215.3% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 11.6×
Top gx21833 search terms
- gx2183314K/yr
- gx21833 john deere mower deck belt5K/yr
- john deere d140 deck belt8K/yr
- john deere 48 inch deck belt7K/yr
- john deere d160 deck belt3K/yr
- d140 deck belt3K/yr
- john deere d140 belt3K/yr
- john deere mower belt 48 inch deck3K/yr
- john deere gx218332K/yr
- gx21833 john deere oem 48 inch mower deck belt2K/yr
Top gx21833 products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
UDC Parts GX21833 Mower Deck Belt Replacement for John Deere 48 Inch D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 GX20571 145 155C D150 E150 LA140 LA155/ Aramid Cord /141.7 inch
UDC Mower Belts$26.144.3★13,180 rev
GX21833 48 Inch Mower Deck Belt for John Deere 145 D140 D150 D155 D160 L120 L130 LA130 LA140 LA145 LA155 LA165 Z200 Z255 Z300 Z355E Riding Lawn Mower GX20571 1/2 X 141.7
Tecreddy$22.924.4★1,008 rev
Wanotine GX21833 Deck Belt Replaces John Deere 48 inch Mower Deck Belt GX20571 for L120 L130 D140 D150 D155 D160 E140 E150 E160 E170 LA130 LA140 LA145 LA155 LA165 Mowers (1/2 x 141)
Wanotine$16.044.3★158 rev
1/2 x 141 Mower Deck Belt GX21833/GX20571 Kevlar Cord Belt for John Deere D140 D150 D160 L120 L130 L145 L155 LA130 LA140 LA145 LA165 S140 S160 S170 S140 Z255 with 48 inch Deck (GX21833)
Holdly$21.344.3★1,611 rev
John Deere Flat Belt GX21833
John Deere$40.844.7★1,898 rev
Newest
by launch dateGX21833 48 Inch Mower Deck Belt for John Deere 145 D140 D150 D155 D160 L120 L130 LA130 LA140 LA145 LA155 LA165 Z200 Z255 Z300 Z355E Riding Lawn Mower GX20571 1/2 X 141.7
Tecreddy$22.921,008 rev
BlueStars GX21833 Lawn Mower Deck Belt - Fits 48 inch Mower Deck J-Deere L120 L130 D140 D150 D155 D160 E140 E150 E160 E170 LA130 LA140 LA145 LA155 LA165 X140 X165 | Aramid Cord | 1/2 x 141.7
BlueStars$19.731,661 rev
Anpongta GX21833 Replacement Deck Belt for John Deere 48 inch Mower - D140 D155 D160 E140 E150 E170 S140 S160 S170 - 1/2 x 141 V-Belt Kevlar Cord
Anpongta$21.09146 rev
1/2 x 141 Mower Deck Belt GX21833/GX20571 Kevlar Cord Belt for John Deere D140 D150 D160 L120 L130 L145 L155 LA130 LA140 LA145 LA165 S140 S160 S170 S140 Z255 with 48 inch Deck (GX21833)
Holdly$21.341,611 rev
Lawn Mower Drive Belt Compatible with John Deere GX21833 GX20571 48 inch Deck Drive Belt Compatible with L120 L130 LA130 LA140 X140 X165 D140 D150 E140 E150 145 155C
RGQSUN$19.15885 rev
Trending
90-day click momentumBlueStars GX21833 Lawn Mower Deck Belt - Fits 48 inch Mower Deck J-Deere L120 L130 D140 D150 D155 D160 E140 E150 E160 E170 LA130 LA140 LA145 LA155 LA165 X140 X165 | Aramid Cord | 1/2 x 141.7
BlueStars$19.734.4★
GX21833 48 Inch Mower Deck Belt for John Deere 145 D140 D150 D155 D160 L120 L130 LA130 LA140 LA145 LA155 LA165 Z200 Z255 Z300 Z355E Riding Lawn Mower GX20571 1/2 X 141.7
Tecreddy$22.924.4★
Anpongta GX21833 Replacement Deck Belt for John Deere 48 inch Mower - D140 D155 D160 E140 E150 E170 S140 S160 S170 - 1/2 x 141 V-Belt Kevlar Cord
Anpongta$21.094.4★
Wanotine GX21833 Deck Belt Replaces John Deere 48 inch Mower Deck Belt GX20571 for L120 L130 D140 D150 D155 D160 E140 E150 E160 E170 LA130 LA140 LA145 LA155 LA165 Mowers (1/2 x 141)
Wanotine$16.044.3★
Honoyam GX21833 Lawn Mower Deck Belt 141 1/8 x 1/2 Replacement 48 for John D-eere GX21833 GX20571 Fits D140 D150 D160 L120 L130 L145 L155 LA130 LA140 LA165 X140 X165
Honoyam$16.674.5★
What buyers say about gx21833
What buyers praise and complain about, mined from review topics.What buyers love
“the belt is the correct length”
“Good quality”
“Good value”
“Excellent durability”
“As expected”
“Installation was straightforward”
“As designed”
“I cut heavy grass for an hour with no problems”
“This mower deck belt is made from quality materials”
“Good heavy duty belt”
What buyers complain about
“Already coming apart”
“Not happy with product performance”
“Does not fit”
“Does not fit as advertised”
“Not as heavy as original”
“Cut grass with it two times”
“There are no installation instructions included”
“costs a more”
“It looks like the fabric again became warn”
“Not sure if I just received a bad belt or if it is just not a good belt or manufacture defect”
Top return reasons
Common questions
- Is gx21833 profitable to sell on Amazon United States?
- The niche generates $162K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +215.3%. Flapen's verdict: Worth a look (63/100).
- How competitive is the gx21833 niche?
- 11 brands and 23 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in gx21833?
- Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 1.2%.
- When does demand for gx21833 peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 11.6× the quietest.
- What does it cost to enter the gx21833 niche?
- Listings span $16.04–$40.84; the average listing price is $24.21 (sweet spot $15–$100). The average incumbent carries 2,651 reviews — the moat a new listing must climb.