hydro-gear
Skip itPrices mostly outside the sweet spot ($11.16–$716.88) — this niche doesn't clear our bar today.
Review moat
Great175.33avg incumbent reviews — the moat a new listing must climb
Growth
Great+67.3%90-day search growth — must beat 0% to launch
Avg price
Good$113.01avg listing price — sweet spot $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$86K$86K/yr · 54K searches
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Price range
Bad$11.16–$716.88cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, hydro-gear is a $86K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 44/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
hydro-gear market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $113K–$141K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #1,791
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 72%
- Out of stock
- 0.4%
- Avg brand age
- 38 months
- Avg seller age
- 174 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
13 flat
Sellers
66
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
13%
- Hydro-Gear54%
- Bzcovac10%
- sixcow7%
- Lucas Oil6%
- Hydro Flask6%
- KVUTCIEIN4%
- Open — no brand owns it (7 brands, 13%)
Top hydro-gear search terms
- hydro gear parts9K/yr
- hydro-gear8K/yr
- hydro gear zt 3100 service kit5K/yr
- hydro gear transaxle5K/yr
- hydro gear zt31006K/yr
- hydro gear6K/yr
- hydro gear zt 31003K/yr
- hydro gear rebuild kit3K/yr
- hydro gear hydro gear kit3K/yr
- hydro gear service kit3K/yr
Top hydro-gear 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hydro Gear Genuine 72750 Transaxle Service Kit for ZT2800 ZT3100 ZT3200 ZT3400
Hydro-Gear$99.554.8★699 rev
72994 Transaxle Seal Service Kit for Hydro-Gear ZT-2800 ZT-3100 ZT-3200 and ZT-3400 Rebuild Charge Pump Gerotor Seal Part 30-piece set
Bzcovac$20.974.5★126 rev
Genuine Hydro Gear Transmission Oil Service Kit for Lawn Mowers fits ZT2800 ZT3100 ZT3200 ZT3400 / 72750
Hydro-Gear$101.124.9★64 rev
Upgrade Replacement for Hydro Gear 72274 Hydraulic Transmission Charge Pump Lawn Mower Kit for ZT2800 ZT3100 ZT3400 G700 Series Fix Pump Oil Leakage Also Replace 71411 HG71411 HG72274 PXHG72274
sixcow$19.494.4★162 rev
Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion
Lucas Oil$74.534.7★44 rev
Newest
by launch date
Cylinman 2 Set 71411 72274 Charge Pump Kit Fit for Hydro Gear ZT2800 ZT3100 ZT3400 G700 HG71411 HG72274 PXHG72274
Cylinman$38.225 rev
ZEZHIMI 70853 Overhaul Rebuild Seal Retaining Ring Kits Fits for Hydro Gear Lawn Mower Series ZA ZB ZC ZD ZT-2200(EZT) Series
ZEZHIMI$11.1653 rev
Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion
Lucas Oil$74.5344 rev
70331 10cc Block Kit 10A Series Pump Compatible with Hydro-Gear
SURPOUF$59.6015 rev
(2) Transmission Filters/Hydraulic Filters/Oil Filters for Bad Boy 063-1050-00 Hydro Gear 2800 3100 3200
LikeLion$21.92177 rev
Trending
90-day click momentum
Hydro Flask Carryout Tote - Insulated Tote Bag - 8 L Capacity in Trillium Pink
Hydro Flask$44.474.4★
Genuine Hydro Gear Transmission Oil Service Kit for Lawn Mowers fits ZT2800 ZT3100 ZT3200 ZT3400 / 72750
Hydro-Gear$101.124.9★
Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion
Lucas Oil$74.534.7★
Cylinman 2 Set 71411 72274 Charge Pump Kit Fit for Hydro Gear ZT2800 ZT3100 ZT3400 G700 HG71411 HG72274 PXHG72274
Cylinman$38.225.0★
Genuine Hydro Gear Transaxle ZT-2200 for Lawn Mowers Compatible with Bad Boy MZ Mag 050-4071-00 / ZC-DUBB-3DKC-1PPX
Hydro-Gear$549.475.0★
What buyers say about hydro-gear
What buyers praise and complain about, mined from review topics.What buyers love
“It fits”
“Great fit and filter”
“Great price”
“Quality Product”
“As Advertised”
“Perfect for hydro 3100”
“It makes the job go smoothly”
“More convenient and less expensive than hauling to a service provider”
“so far so good since the oil change”
“Good fix”
What buyers complain about
“Tight Fit”
“poor quality replacement”
“Slow leak”
“Unbeatable value for the money”
“Didnt Last”
“Some of the caps fell out during install”
“The flat side doesn't look particularly smooth since it's not polished”
“Getting at the fill/drain plugs on this machine is a nightmare”
“This didnt hit”
“Tight space inside”
Top return reasons
Common questions
- Is hydro-gear profitable to sell on Amazon United States?
- The niche generates $86K/yr across 18 tracked products. 90-day search growth is +67.3%. Flapen's verdict: Skip it (44/100).
- How competitive is the hydro-gear niche?
- 13 brands and 66 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in hydro-gear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Leak-Proof. The return rate is 2.5%.
- What does it cost to enter the hydro-gear niche?
- Listings span $11.16–$716.88; the average listing price is $113.01 (sweet spot $15–$100). The average incumbent carries 175 reviews — the moat a new listing must climb.