---
title: "Hydro-gear — $86K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/hydro-gear"
last_updated: "2026-08-11T05:24:30.927Z"
locale: en
meta:
description: "Niche score 44/100 · $86K/yr market · 54K searches/yr · $113.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $86K/yr market · 54K searches/yr · $113.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hydro-gear — $86K/yr Amazon US Niche (2026) - Flapen"
---
# **hydro-gear**
**Skip it**
Prices mostly outside the sweet spot ($11.16–$716.88) — this niche doesn't clear our bar today.
Market size 22Growth 78Conversion 18Competition 39Returns 63Price range 12Avg price 71Brand share 37Review moat 91Quality gap 23
**Review moat**
**Great****175.33**
avg 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****$113.01**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$86K**
$86K/yr · 54K searches
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$11.16–$716.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 parts**9K/yr+60.1%1.0% conv. - **hydro-gear**8K/yr+65.6%1.4% conv. - **hydro gear zt 3100 service kit**5K/yr+61.9%5.5% conv. - **hydro gear transaxle**5K/yr+179.1%0.2% conv. - **hydro gear zt3100**6K/yr+36.7%2.6% conv. - **hydro gear**6K/yr+56.0%0.9% conv. - **hydro gear zt 3100**3K/yr+96.4%1.3% conv. - **hydro gear rebuild kit**3K/yr+78.4%0.5% conv. - **hydro gear hydro gear kit**3K/yr+48.6%1.2% conv. - **hydro gear service kit**3K/yr+65.5%4.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/hydro-gear/search-terms)
## **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.
0%10%$9K20%$17K30%$26K40%$35K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hydro Gear Genuine 72750 Transaxle Service Kit for ZT2800 ZT3100 ZT3200 ZT3400**Hydro-Gear**$99.55**4.8★699 rev](https://www.amazon.com/dp/B01N9P2LD9) [2**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**$20.97**4.5★126 rev](https://www.amazon.com/dp/B0CGLXW15N) [3**Genuine Hydro Gear Transmission Oil Service Kit for Lawn Mowers fits ZT2800 ZT3100 ZT3200 ZT3400 / 72750**Hydro-Gear**$101.12**4.9★64 rev](https://www.amazon.com/dp/B0C73NW5LX) [4**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**$19.49**4.4★162 rev](https://www.amazon.com/dp/B0BZ3BVRK4) [5**Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion**Lucas Oil**$74.53**4.7★44 rev](https://www.amazon.com/dp/B0DRM6X1L4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Cylinman 2 Set 71411 72274 Charge Pump Kit Fit for Hydro Gear ZT2800 ZT3100 ZT3400 G700 HG71411 HG72274 PXHG72274**Cylinman**$38.22**5 rev1y ago](https://www.amazon.com/dp/B0FC679WTW) [**ZEZHIMI 70853 Overhaul Rebuild Seal Retaining Ring Kits Fits for Hydro Gear Lawn Mower Series ZA ZB ZC ZD ZT-2200(EZT) Series**ZEZHIMI**$11.16**53 rev1y ago](https://www.amazon.com/dp/B0DSYZ3XTS) [**Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion**Lucas Oil**$74.53**44 rev1y ago](https://www.amazon.com/dp/B0DRM6X1L4) [**70331 10cc Block Kit 10A Series Pump Compatible with Hydro-Gear**SURPOUF**$59.60**15 rev1y ago](https://www.amazon.com/dp/B0DM5G2VF3) [**(2) Transmission Filters/Hydraulic Filters/Oil Filters for Bad Boy 063-1050-00 Hydro Gear 2800 3100 3200**LikeLion**$21.92**177 rev2y ago](https://www.amazon.com/dp/B0D1P79YX8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hydro Flask Carryout Tote - Insulated Tote Bag - 8 L Capacity in Trillium Pink**Hydro Flask**$44.47**4.4★**▲ 156%**](https://www.amazon.com/dp/B0CQPPTYRD) [**Genuine Hydro Gear Transmission Oil Service Kit for Lawn Mowers fits ZT2800 ZT3100 ZT3200 ZT3400 / 72750**Hydro-Gear**$101.12**4.9★**▲ 63%**](https://www.amazon.com/dp/B0C73NW5LX) [**Lucas 5-Quart 20W-50 Hydrostatic Transmission Fluid Change Kit with 2-Filters Prevents Corrosion**Lucas Oil**$74.53**4.7★**▲ 59%**](https://www.amazon.com/dp/B0DRM6X1L4) [**Cylinman 2 Set 71411 72274 Charge Pump Kit Fit for Hydro Gear ZT2800 ZT3100 ZT3400 G700 HG71411 HG72274 PXHG72274**Cylinman**$38.22**5.0★**▲ 43%**](https://www.amazon.com/dp/B0FC679WTW) [**Genuine Hydro Gear Transaxle ZT-2200 for Lawn Mowers Compatible with Bad Boy MZ Mag 050-4071-00 / ZC-DUBB-3DKC-1PPX**Hydro-Gear**$549.47**5.0★**▲ 16%**](https://www.amazon.com/dp/B0C73RD4KK)
**~~View all trending →~~**
## **What buyers say about hydro-gear**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“It fits”*
**Filtration**15%
*“Great fit and filter”*
**Value For Money**15%
*“Great price”*
**Quality-Overall**14%
*“Quality Product”*
**Advertised Vs Actual Product**12%
*“As Advertised”*
**Compatibility-Overall**3%
*“Perfect for hydro 3100”*
**Efficiency**3%
*“It makes the job go smoothly”*
**Ease Of Use**2%
*“More convenient and less expensive than hauling to a service provider”*
**Lubrication**2%
*“so far so good since the oil change”*
**Maintenance And Repair**2%
*“Good fix”*
### **What buyers complain about **
**Size-Overall**16%
*“Tight Fit”*
**Quality-Overall**15%
*“poor quality replacement”*
**Leak-Proof**14%
*“Slow leak”*
**Value For Money**11%
*“Unbeatable value for the money”*
**Durability**6%
*“Didnt Last”*
**Assembly/Installation**6%
*“Some of the caps fell out during install”*
**Flatness**4%
*“The flat side doesn't look particularly smooth since it's not polished”*
**Ease Of Use**2%
*“Getting at the fill/drain plugs on this machine is a nightmare”*
**Functionality-Overall**2%
*“This didnt hit”*
**Storage Capacity**1%
*“Tight space inside”*
### **Top return reasons **
**Size-Overall**56%
**Advertised Vs Actual Product**9%
**Filtration**8%
**Compatibility-Overall**6%
**Defective Material/Parts**5%
**Functionality-Overall**3%
**Leak-Proof**2%
**Value For Money**2%
**Storage Capacity**1%
**Stain Resistance**1%
## **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.
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