918-06991
Worth a lookShows demand growing +209.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+209.6%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$41.70avg listing price — sweet spot $15–$100
Price range
Incredible$21.22–$86.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great229.39avg incumbent reviews — the moat a new listing must climb
Brand share
Great59%top-5 brand share — no brand owns this niche
Returns
Good2.1%return rate — above 5% kills the launch gate
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$55K$55K/yr · 10K searches
According to Flapen's Amazon United States niche tracking, 918-06991 is a $55K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 59% of demand. Verdict: Worth a look — 64/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
918-06991 market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $42K–$52K
- units × avg price
- Conversion rate
- 13.3%
- Avg BSR
- #1,474
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 7.1%
- Avg brand age
- 49 months
- Avg seller age
- 317 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
29
Top-5 brand share
59%
Top 20: 100%
Top-5 click share
59%
Top 20: 100%
Open market
35%
- JYLEYJ18%
- Fourtry13%
- WELOVEHOME13%
- UDC Parts8%
- ILONPA6%
- JSXDNWYJ6%
Top 918-06991 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
JYLEYJ 918-06991 618-06991 Spindle Assembly Fit for Troy Bilt 42 Pony 42 Inch Deck Bronco 42 TB42 Mower Parts MTD Craftsman T1000 T1200 T1400 T1800 Huskee LT4200 Lawn Mower Spindle (2 Pack)
JYLEYJ$48.494.7★69 rev
Fourtry Spindle Fit for Troy Bilt Pony Mower - 918-06991 Greaseable Spindle Assembly Fit for MTD Huskee Craftsman T1000 T1200 Deck Mower and Troy Bilt TB42 TB2246 Bronco 42 Tractor Replace 618-06991
Fourtry$26.504.6★695 rev
(2 Pack) Replacement Spindle Assembly for Craftsman Troy Bilt Cub Cadet Lawn Mower Replaces 918-06991 618-06991 for Huskee LT4200 Craftsman T1000 T1200 T1400 T1800 Mandrel Assembly 42 Mower Deck
WELOVEHOME$43.224.5★211 rev
UDC Parts 918-06991 Spindle Assembly Replacement for Cub Cadet 42 Inch Troy Bilt 13WV78KS011 Pony 618-06991 91806991 Craftsman T1000 T1200 T1400 T1800 MTD Murray
UDC Parts$25.904.6★233 rev
ILONPA (2 Pack 618-06991 918-06991 42 inch Deck Mower Spindle Assembly Replaces for Troy Bilt MTD Craftsman T1000 T1400 T1200 T1800 TB42 TB2246 for Huskee LT4200 Bronco Tractor
ILONPA$45.024.6★147 rev
Newest
by launch date
UPOW 918-06991 Greaseable Spindle Assembly Fit for Troy Bilt Pony Mower Compatible with MTD Huskee Craftsman T1000 T1200 Deck Mower Troy Bilt TB42 TB2246 Bronco 42 Tractor Replace 618-06991
UPOW$25.828 rev
POSFLAG 2 Pack 918-06991 Spindle Assembly Greased with 954-04060C Deck Belt 490-900-M061 Deck Wash Kit Replaces 918 06991 618-06991 91806991 for Huskee LT4200 Craftsman T110 Troy Bilt Bronco 42 Decks
POSFLAG$46.572 rev
UDC Parts 918-06991 Spindle Assembly Replacement for Cub Cadet 42 Inch Troy Bilt 13WV78KS011 Pony 618-06991 91806991 Craftsman T1000 T1200 T1400 T1800 MTD Murray
UDC Parts$25.90233 rev
TENGMUJX 42 Inch Deck Rebuild Kit for Huskee LT4200 Craftsman T1200 T1000 T1400 T100 T110 Troy Bilt Pony Bronco TB42 Mower Includes 2 Spindle 618-06991 918-06991 2 Blade 742-04312 1 Belt 754-04060
TENGMUJX$86.6841 rev
JYLEYJ 918-06991 618-06991 Spindle Assembly Fit for Troy Bilt 42 Pony 42 Inch Deck Bronco 42 TB42 Mower Parts MTD Craftsman T1000 T1200 T1400 T1800 Huskee LT4200 Lawn Mower Spindle (2 Pack)
JYLEYJ$48.4969 rev
Trending
90-day click momentum
POSFLAG 2 Pack 918-06991 Spindle Assembly for Troy Bilt Pony 42 Inch Decks
POSFLAG$45.104.8★
ranwin 918-04822B Spindle Assembly Fit for Craftsman Cub Cad Troy Bilt Pony Bronco 42 Deck Tractor Riding Mower Replace 918-04822A 618-04822 Including Threaded Bolt &Hole 2 Pack
ranwin$47.434.8★
Youxmoto 618-04822 LT1500 LTX1042 Spindle Assembly with Pulley Fit for 42 Deck Troy-Bilt Cub Cadet LTX1040 60 Deck ZT1-60 ZT2-60 Replaces 918-04822B 918-04889 (2 Pcs)
Youxmoto$45.474.5★
918-06991 618-06991 Spindle Assembly for MTD Troy Bilt Bronco Pony 42 TB42 MTD CraftsMan 42 Deck T1000 T1200 T1400 T1300 T1800 LT4200 CLT42G CLT42H T130(2 Pack)
Aeagle$46.854.5★
GYZJ Lawn Mower Spindle for MTD Troy-Bilt Craftsman Columbia Huskee Murray 42 inch Deck Lawn Tractors Mandrel Assembly Replacement Part Number 918-06991 618-06991 2-Pack
GYZJ$43.984.3★
What buyers say about 918-06991
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Appears to be good quality”
“Worth the money”
“Easy to install”
“Exactly what I was looking for”
“Has been durable”
“Works very good goes on very easy”
“They look well built”
“Solidly built”
“No modification needed”
What buyers complain about
“Wrong pulley diameter”
“Cheap junk”
“One of the spindle welds on the pulley came apart only after about 20 hours of use”
“I didn't get blade mounting nuts”
“Was hard to put on”
Top return reasons
Common questions
- Is 918-06991 profitable to sell on Amazon United States?
- The niche generates $55K/yr across 23 tracked products. 90-day search growth is +209.6%. Flapen's verdict: Worth a look (64/100).
- How competitive is the 918-06991 niche?
- 22 brands and 29 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 59% of demand.
- What do buyers complain about in 918-06991?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 2.1%.
- What does it cost to enter the 918-06991 niche?
- Listings span $21.22–$86.68; the average listing price is $41.70 (sweet spot $15–$100). The average incumbent carries 229 reviews — the moat a new listing must climb.