---
title: "Mercury Prop Hub Kit — $2K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/sports-outdoors/mercury-prop-hub-kit"
last_updated: "2026-08-12T18:42:51.091Z"
locale: en
meta:
  description: "Amazon product research for mercury prop hub kit: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for mercury prop hub kit: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Mercury Prop Hub Kit — $2K/mo Amazon US Product Research"
---

# **Mercury Prop Hub Kit**

**Skip it**

A small market ($27K/yr) — this niche doesn't clear our bar today.

Market size 7Growth 65Conversion 46Competition 23Returns 31Price range 53Avg price 89Brand share 39Review moat 92Quality gap 80

**Review moat**

**Great****166.21**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$62.14**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+43.4%**

90-day search growth — must beat 0% to launch

**Price range**

**Good****$20.00–$169.83**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Okay****3.7%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Okay****82%**

top-5 brand share — brands hold most of the demand

**Returns**

**Okay****4.5%**

return rate — above 5% kills the launch gate

**Competition**

**Bad****73%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$27K**

$27K/yr · 12K searches

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## **Is mercury prop hub kit profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, mercury prop hub kit is a $27K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 46/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **mercury prop hub kit market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$31K–$47K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#903**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**11.8%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**164 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**11 **▼falling

**Sellers**

**31**

**Top-5 brand share**

**82%**

Top 20: 100%

**Top-5 click share**

**73%**

Top 20: 100%

**Open market**

**14%**

- Quicksilver40% - Qiclear15% - NOVINO13% - KSJED9% - MiCCiKA4% - Rogierra4% - Open — no brand owns it (5 brands, 14%)

## **mercury prop hub kit demand & seasonality**

Weekly Amazon search volume, last 9 weeks — +43.4% search growth over the last 90 days.

400300Spike '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26Jul '26

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/mercury-prop-hub-kit/trend)

## **Top mercury prop hub kit products & what they sell for**

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$3K20%$5K30%$8K40%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Quicksilver 835257Q1 Flo-Torq II Hub Kit - for Mercury/Mariner and MerCruiser Engines](https://m.media-amazon.com/images/I/217fUqzaO8L.jpg)**Quicksilver 835257Q1 Flo-Torq II Hub Kit - for Mercury/Mariner and MerCruiser Engines**Quicksilver**$60.93**4.7★1,680 rev](https://www.amazon.com/dp/B001HBNGFW) [2![NOVINO 835257Q1 Flo-Torq II Hub Kit for Mercury/Mariner&Mercruiser Outboard](https://m.media-amazon.com/images/I/41Y96FrXvML.jpg)**NOVINO 835257Q1 Flo-Torq II Hub Kit for Mercury/Mariner&Mercruiser Outboard**NOVINO**$36.49**4.6★41 rev](https://www.amazon.com/dp/B0CZRKT3NY) [3![Qiclear 835257Q1 Flo-Torq II Hub Kits Replacement fit Mercruiser Alpha One/Bravo One Mercury Mariner Outboard Boat Motos 60-300 HP for 15 Spline Tooth Propeller Installation Parts](https://m.media-amazon.com/images/I/51Zt8WSI5sL.jpg)**Qiclear 835257Q1 Flo-Torq II Hub Kits Replacement fit Mercruiser Alpha One/Bravo One Mercury Mariner Outboard Boat Motos 60-300 HP for 15 Spline Tooth Propeller Installation Parts**Qiclear**$41.93**4.5★191 rev](https://www.amazon.com/dp/B083HVWLPP) [4![Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)](https://m.media-amazon.com/images/I/41wcsj+6aCL.jpg)**Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)**KSJED**$20.00**4.0★5 rev](https://www.amazon.com/dp/B0GSCQSSFG) [5![Quicksilver 8M0101603 Flo-Torq SSR HD Propeller Hub Kit Mercury 200-400 Hp 4-Stroke Outboards with 1.25 Prop Shaft](https://m.media-amazon.com/images/I/31MTp-br0eL.jpg)**Quicksilver 8M0101603 Flo-Torq SSR HD Propeller Hub Kit Mercury 200-400 Hp 4-Stroke Outboards with 1.25 Prop Shaft**Quicksilver**$169.83**4.6★47 rev](https://www.amazon.com/dp/B078H669S7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)](https://m.media-amazon.com/images/I/41wcsj+6aCL.jpg)**Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)**KSJED**$20.00**5 rev4mo ago](https://www.amazon.com/dp/B0GSCQSSFG) [![WINGOGO 835257Q1 Flo-Torq II Hub Kits](https://m.media-amazon.com/images/I/31l9pLqFgqL.jpg)**WINGOGO 835257Q1 Flo-Torq II Hub Kits**WINGOGO**$44.90**4 rev2y ago](https://www.amazon.com/dp/B0D2V1YV5D) [![MARKGOO 835257Q1 Flo-Torq II Hub Kit for Mercury Outboard Propeller 40 50 60 65 70 75 80 90 100 115 135 150 175 200 225 250 275 300 HP 15 Spline Verado Mercruiser Alpha Bravo One 835257K1](https://m.media-amazon.com/images/I/31n-Dm74NcL.jpg)**MARKGOO 835257Q1 Flo-Torq II Hub Kit for Mercury Outboard Propeller 40 50 60 65 70 75 80 90 100 115 135 150 175 200 225 250 275 300 HP 15 Spline Verado Mercruiser Alpha Bravo One 835257K1**MARKGOO**$61.19**6 rev2y ago](https://www.amazon.com/dp/B0D2PFG1CM) [![NOVINO 835257Q1 Flo-Torq II Hub Kit for Mercury/Mariner&Mercruiser Outboard](https://m.media-amazon.com/images/I/41Y96FrXvML.jpg)**NOVINO 835257Q1 Flo-Torq II Hub Kit for Mercury/Mariner&Mercruiser Outboard**NOVINO**$36.49**41 rev2y ago](https://www.amazon.com/dp/B0CZRKT3NY) [![Rogierra Marine Upgrade 835257K1 Flo-Torq II Hub Kits fit for Mercury Outboard Boat Motos 70-300 HP Compatible with Mercruiser Alpha and Alpha One Bravo One 15 Spline Tooth](https://m.media-amazon.com/images/I/41Kh+4dfZoL.jpg)**Rogierra Marine Upgrade 835257K1 Flo-Torq II Hub Kits fit for Mercury Outboard Boat Motos 70-300 HP Compatible with Mercruiser Alpha and Alpha One Bravo One 15 Spline Tooth**Rogierra**$28.96**51 rev2y ago](https://www.amazon.com/dp/B0CZ6F173Q)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)](https://m.media-amazon.com/images/I/41wcsj+6aCL.jpg)**Marine 835257Q1 Flo-Torq II Hub Kit fit Mercury 60-300 HP Mercruiser Alpha Bravo One Drives (Kit)**KSJED**$20.00**4.0★**▲ 131%**](https://www.amazon.com/dp/B0GSCQSSFG) [![Mercury 835257K1 Flo-Torq II Propeller Hub Kit](https://m.media-amazon.com/images/I/317l4g+owIL.jpg)**Mercury 835257K1 Flo-Torq II Propeller Hub Kit**MERCURY**$66.43**4.9★**▲ 74%**](https://www.amazon.com/dp/B003900A3A) [![8M0101601 Flo-Torq SSR HD Hub Kits Replacement fit Mercury Outboard Boat Motors 200-400 HP 4 Stroke Outboards with 1.25in Propeller](https://m.media-amazon.com/images/I/41XNlH0YskL.jpg)**8M0101601 Flo-Torq SSR HD Hub Kits Replacement fit Mercury Outboard Boat Motors 200-400 HP 4 Stroke Outboards with 1.25in Propeller**Qiclear**$102.35**5.0★**▲ 47%**](https://www.amazon.com/dp/B0FY6HK3Q7) [![Qiclear 835257Q1 Flo-Torq II Hub Kits Replacement fit Mercruiser Alpha One/Bravo One Mercury Mariner Outboard Boat Motos 60-300 HP for 15 Spline Tooth Propeller Installation Parts](https://m.media-amazon.com/images/I/51Zt8WSI5sL.jpg)**Qiclear 835257Q1 Flo-Torq II Hub Kits Replacement fit Mercruiser Alpha One/Bravo One Mercury Mariner Outboard Boat Motos 60-300 HP for 15 Spline Tooth Propeller Installation Parts**Qiclear**$41.93**4.5★**▲ 27%**](https://www.amazon.com/dp/B083HVWLPP) [![MARKGOO 835257Q1 Flo-Torq II Hub Kit for Mercury Outboard Propeller 40 50 60 65 70 75 80 90 100 115 135 150 175 200 225 250 275 300 HP 15 Spline Verado Mercruiser Alpha Bravo One 835257K1](https://m.media-amazon.com/images/I/31n-Dm74NcL.jpg)**MARKGOO 835257Q1 Flo-Torq II Hub Kit for Mercury Outboard Propeller 40 50 60 65 70 75 80 90 100 115 135 150 175 200 225 250 275 300 HP 15 Spline Verado Mercruiser Alpha Bravo One 835257K1**MARKGOO**$61.19**4.5★**▲ 16%**](https://www.amazon.com/dp/B0D2PFG1CM)

**~~View all trending →~~**

## **What reviews say buyers love and hate about mercury prop hub kit**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**40%

*“Fits perfectly”*

**Advertised Vs Actual Product**27%

*“As advertised”*

**Quality-Overall**13%

*“It is very well made”*

**Value For Money**10%

*“Cheap enough to keep a spare on the boat”*

**Design-Overall**3%

*“Worked as designed”*

**Efficiency**3%

*“Works fine”*

### **What buyers complain about **

**Size-Overall**31%

*“Does not fit”*

**Quality-Overall**15%

*“Trash”*

**Defective Material/Parts**15%

*“broken or missing parts”*

**Compatibility-Overall**8%

*“The Hub and drive sleeve are not compatible”*

**Grip**8%

*“After about four hours of use experienced slippage at higher speeds”*

**Value For Money**4%

*“Cheap price for a reason”*

**Material Quality**4%

*“cheap materials”*

**Instructions/User Manual/Troubleshooting**4%

*“.I didnt read the instructions so maybe its mentioned”*

**Durability**4%

*“And all broke”*

**Mounting**4%

*“I could not get the plastic hub back out”*

### **Top return reasons **

**Size-Overall**53%

**Compatibility-Overall**14%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**9%

**Product Condition**4%

**Value For Money**2%

**Functionality-Overall**2%

**Durability**1%

**Motor Issues**1%

**Quality-Overall**1%

## **Common mercury prop hub kit questions**

<dl>

<dt>**Is mercury prop hub kit profitable to sell on Amazon United States?**</dt><dd>The niche generates $27K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +43.4%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the mercury prop hub kit niche?**</dt><dd>11 brands and 31 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 82% of demand.</dd>

<dt>**What do buyers complain about in mercury prop hub kit?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Defective Material/Parts. The return rate is 4.5%.</dd>

<dt>**What does it cost to enter the mercury prop hub kit niche?**</dt><dd>Listings span $20.00–$169.83; the average listing price is $62.14 (sweet spot $15–$100). The average incumbent carries 166 reviews — the moat a new listing must climb.</dd>

</dl>

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