918-06978
Worth a lookShows demand growing +303.8% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+303.8%90-day search growth — must beat 0% to launch
Review moat
Incredible77.61avg incumbent reviews — the moat a new listing must climb
Avg price
Great$76.48avg listing price — sweet spot $15–$100
Returns
Great2.0%return rate — above 5% kills the launch gate
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Brand share
Good68%top-5 brand share — brands hold most of the demand
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Price range
Okay$26.90–$196.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$98K$98K/yr · 20K searches
According to Flapen's Amazon United States niche tracking, 918-06978 is a $98K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
918-06978 market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $76K–$96K
- units × avg price
- Conversion rate
- 6.6%
- Avg BSR
- #1,116
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 30 months
- Avg seller age
- 211 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
18 flat
Sellers
21
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
52%
Top 20: 88%
Open market
26%
- JSXDNWYJ26%
- JYLEYJ12%
- PetMigo11%
- TENGMUJX10%
- whldyno9%
- ATRACYPART6%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +303.8% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 20.5×
Top 918-06978 search terms
- cub cadet zt1 54 spindle kit10K/yr
- cub cadet spindle assembly 54 inch deck3K/yr
- cub cadet zt1 54 spindle4K/yr
- cub cadet 54 inch deck spindles3K/yr
Top 918-06978 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
JSXDNWYJ 918-06978 618-06978 Spindle Assembly for 54 Inch Mower Decks Cub Cadet RZT-S54 L54 ZT1-54 ZT2-54 XT1-ST54 GT54 XT2-54 GX54 Troy Bilt TB2454 Craftsman T8400 G8400 Z6660 (3-Pack)
JSXDNWYJ$66.234.7★69 rev
whldyno 618-09236 618P09236 Spindle Assembly for Cub Cadet XT1-GT54 ST54 ZT1-54 ZT2-54 ZTS2-54 Craftsman Z5800 Troy Bilt Mustang 54XP MTD 54 Mower Deck Spindle with Mounting Bolts and Threads
whldyno$38.455.0★13 rev
JSXDNWYJ 918-06978 618-06978 Spindle Assembly for 54 Inch Mower Decks Cub Cadet RZT-S54 L54 ZT1-54 ZT2-54 XT1-ST54 GT54 XT2-54 GX54 Troy Bilt TB2454 Craftsman T8400 G8400 Z6660 (1-Pack)
JSXDNWYJ$28.584.6★111 rev
RZT-S54 Spindle Assembly 54 Deck 618-06978 918-06978 Fits for MTD Cub Cadet Troy Bilt XT1-ST54 XT1-GT54 ZT1-54 ST54 ZT2-54 TB2454 Craftsman T8400 G8400 Z66603 Pack
PetMigo$65.044.7★365 rev
618P09236 Mower Deck Spindle Compatible with Cub Cadet XT1-GT54 XT1-ST54 ZT1-54 ZT2-54 ZTS2-54; Craftsman Z5800 T3200; Troy Bilt Mustang 54XP Mustang Z54 54 Decks Spindle Replaces# 618-09236
ATRACYPART$41.564.8★38 rev
Newest
by launch date
POSEAGLE 918-06978 54 Deck Rebuild Kit for Cub Cadet ZT1 54 RZT L54 ZT2 54
POSEAGLE$149.412 rev
AEFHKM 618P09236 Spindle Assembly Fits for 54 Inch Decks Cub Cadet ZT1-54 ZT2-54 XT1-ST54 XT1-GT54 ZTS2-54 Craftsman T3200 Z5800 Z7600 Troy Bilt Mustang Z54 54XP Lawn Mower Replaces 618-09236
AEFHKM$36.5512 rev
54 Mower Deck Spindle Rebuild Kit Compatible with Cub Cadet ZT1-54 ZT2-54 Troy-Bilt Mustang Z54 Craftsman Z560 54-Inch Deck Includes 3 Spindles 918-06978 Blades Idlers Wheels & Belt
ATRACYPART$176.615 rev
54 inch Deck Lawn Mower Spindle Kit Parts for MTD Cub Cadet ZT1 ZT2 Troy Bilt Mustang 54XP Z54 Craftsman Z7600 Z5800 Include 3 spindle 618-09236 3 Blade 742P05086 2 Idler GY22082 1 Belt 754-04329
JXJKCZ$196.912 rev
PetMigo 54 Decks Mower Deck 618-09236 Spindle Replaces 618P09236 Compatible with Cub Cadet XT1-GT54 XT1-ST54 ZT1-54 ZT2-54 ZTS2-54 for Craftsman Z5800 T3200 for Troy Bilt Mustang 54XP
PetMigo$36.106 rev
Trending
90-day click momentum54 inch Deck Lawn Mower Spindle Kit Parts for MTD Cub Cadet ZT1 ZT2 Troy Bilt Mustang 54XP Z54 Craftsman Z7600 Z5800 Include 3 spindle 618-09236 3 Blade 742P05086 2 Idler GY22082 1 Belt 754-04329
JXJKCZ$196.915.0★
PetMigo 54 Decks Mower Deck 618-09236 Spindle Replaces 618P09236 Compatible with Cub Cadet XT1-GT54 XT1-ST54 ZT1-54 ZT2-54 ZTS2-54 for Craftsman Z5800 T3200 for Troy Bilt Mustang 54XP
PetMigo$36.105.0★
POSEAGLE 918-06978 54 Deck Rebuild Kit for Cub Cadet ZT1 54 RZT L54 ZT2 54
POSEAGLE$149.415.0★
54 Deck 918-06978 Spindle Rebuild Kit for Cub Cadet ZT1 54 RZT 54 RZT L54 RZT S54 3 Spindles for 618-06978 with Pulley for Craftsman Z6600 Z6900 3 Blades for 742-05056 942-05056 1 148 1/4 Belt
Magorfas$92.354.2★
Youxmoto 618-06978 Spindle Rebuild Kit for 54 Deck MTD Cub Cadet RZT L54 RZT-S54 ZT1-54 ZT2-54 XT2-54 Z6600 3 Spindles 918-06978 3 Blade 942-05056 148 Belt 954-04329
Youxmoto$92.714.5★
What buyers say about 918-06978
What buyers praise and complain about, mined from review topics.What buyers love
“Fit good”
“Great Value”
“Exactly what the description is”
“looks well made”
“Easy install”
“After installing these spindles on my ZT1-54 Cub Cadet it cuts as good or better than new”
“A huge bonus was that it came with brand-new mounting bolts, saving me a trip to the hardware store and making the installation process smooth and straightforward”
“Super easy change out from old to new”
“Was a quick easy fix”
“Blade lasted a good while”
What buyers complain about
“Belt didnt fit”
“Broke after the 1st use trying to return”
“Poor manufacturing”
“didnt work”
“When a second assembly had issues this week”
“unfortunately it is shown with bolts for mounting and a nut for the blade, neither included”
“Not same dimension as oem”
“difficult. I'm pushing 70 now”
Top return reasons
Common questions
- Is 918-06978 profitable to sell on Amazon United States?
- The niche generates $98K/yr across 31 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +303.8%. Flapen's verdict: Worth a look (63/100).
- How competitive is the 918-06978 niche?
- 18 brands and 21 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in 918-06978?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.0%.
- When does demand for 918-06978 peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 20.5× the quietest.
- What does it cost to enter the 918-06978 niche?
- Listings span $26.90–$196.91; the average listing price is $76.48 (sweet spot $15–$100). The average incumbent carries 78 reviews — the moat a new listing must climb.