---
title: "Mercury 150 4 Stroke Oil Change Kit — $105K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/mercury-150-4-stroke-oil-change-kit"
last_updated: "2026-08-10T06:46:47.956Z"
locale: en
meta:
description: "Niche score 36/100 · $105K/yr market · 43K searches/yr · $74.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $105K/yr market · 43K searches/yr · $74.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mercury 150 4 Stroke Oil Change Kit — $105K/yr Amazon US Niche (2026) - Flapen"
---
# **mercury 150 4 stroke oil change kit**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 22Conversion 41Competition 20Returns 98Price range 59Avg price 84Brand share 0Review moat 62Quality gap 18
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$74.87**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,008.42**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$35.26–$144.95**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$105K**
$105K/yr · 43K searches
**Growth**
**Bad****-5.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**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, mercury 150 4 stroke oil change kit is a $105K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun. Verdict: Skip it — 36/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mercury 150 4 stroke oil change kit market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$150K–$187K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#583**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **58%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▲rising
**Sellers**
**32**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**0%**
- Quicksilver51% - MERCURY46% - Wakeboss3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.9% search growth over the last 90 days.
3K2KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun · busiest ÷ quietest = 8.9×
[**Open Trend **](https://flapen.com/research/us/automotive/mercury-150-4-stroke-oil-change-kit/trend)
## **Top mercury 150 4 stroke oil change kit search terms**
- **mercury oil change kit**12K/yr+66.2%3.9% conv. - **mercury 4 stroke oil change kit**6K/yr+31.3%3.3% conv. - **mercury outboard oil change kit**7K/yr-20.2%3.5% conv. - **mercury oil change kit 4 stroke**15K/yr-66.1%3.4% conv. - **mercury marine oil change kit**3K/yr+7.7%2.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/mercury-150-4-stroke-oil-change-kit/search-terms)
## **Top mercury 150 4 stroke oil change kit 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%$11K20%$21K30%$32K40%$42K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Quicksilver 25W-40 Oil Change Kit for 4-Stroke 40hp 50hp and 60hp Mercury Outboards**Quicksilver**$52.70**4.8★2,028 rev](https://www.amazon.com/dp/B00MIPCT4A) [2**Quicksilver 10W-30 Oil Change Kit for 4-Stroke 150hp Mercury and Mariner Outboards**Quicksilver**$78.12**4.8★2,028 rev](https://www.amazon.com/dp/B07H12XQ1Y) [3**Mercury 8M0081916 25W-40 4-Stroke Outboard Oil Change Kit for Mercury 40/50/60hp EFI Outboards**MERCURY**$59.14**4.8★1,583 rev](https://www.amazon.com/dp/B00J903Q6M) [4**Mercury 8M0107510 10W-30 4-Stroke Outboard Oil Change Kit for Mercury 2.1L 75/90/115hp EFI Outboards - 8M0107510**MERCURY**$85.53**4.8★292 rev](https://www.amazon.com/dp/B08GV4GMKV) [5**Mercury 8M0081917 25W-40 4-Stroke Outboard Oil Change Kit for Mercury 1.7L 75/90/115hp EFI Outboards**MERCURY**$91.97**4.2★540 rev](https://www.amazon.com/dp/B00J903R48)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mercury 8M0187621 10W-30 4-Stroke Outboard Oil Change Kit for Mercury V6 and V8 175-300hp Outboards**Wakeboss**$144.95**5 rev1y ago](https://www.amazon.com/dp/B0GR79NYFX) [**Mercury 8M0107510 10W-30 4-Stroke Outboard Oil Change Kit for Mercury 2.1L 75/90/115hp EFI Outboards - 8M0107510**MERCURY**$85.53**292 rev5y ago](https://www.amazon.com/dp/B08GV4GMKV) [**Quicksilver 10W-30 Oil Change Kit for 4-Stroke 150hp Mercury and Mariner Outboards**Quicksilver**$78.12**2,028 rev7y ago](https://www.amazon.com/dp/B07H12XQ1Y) [**Quicksilver 10W-30 Oil Change Kit for 4-Stroke 75hp 90hp and 115hp Mercury 2.1L Outboards**Quicksilver**$71.43**2,028 rev7y ago](https://www.amazon.com/dp/B07H13DZDH) [**Mercury 8M0188357 10W-30 4-Stroke Outboard Oil Change Kit for Mercury and Mariner 150hp Outboards**MERCURY**$109.54**438 rev9y ago](https://www.amazon.com/dp/B01MXFVZTA)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mercury 8M0187621 10W-30 4-Stroke Outboard Oil Change Kit for Mercury V6 and V8 175-300hp Outboards**Wakeboss**$144.95**5.0★**▲ 187%**](https://www.amazon.com/dp/B0GR79NYFX) [**Mercury 8M0081914 25W-40 4-Stroke Outboard Oil Change Kit for Mercury 15/20hp Carbureted Outboards**MERCURY**$36.77**4.5★**▲ 59%**](https://www.amazon.com/dp/B00J903OKA) [**Mercury 8M0188357 10W-30 4-Stroke Outboard Oil Change Kit for Mercury and Mariner 150hp Outboards**MERCURY**$109.54**4.7★**▲ 34%**](https://www.amazon.com/dp/B01MXFVZTA) [**Quicksilver 25W-40 Oil Change Kit for 4-Stroke 40hp 50hp and 60hp Mercury Outboards**Quicksilver**$52.70**4.8★**▲ 32%**](https://www.amazon.com/dp/B00MIPCT4A) [**Mercury 8M0081915 25W-40 4-Stroke Outboard Oil Change Kit for Mercury 25/30hp EFI Outboards**MERCURY**$46.00**4.6★**▲ 26%**](https://www.amazon.com/dp/B00J903PDQ)
**~~View all trending →~~**
## **What buyers say about mercury 150 4 stroke oil change kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**34%
*“As advertised”*
**Quality-Overall**16%
*“great quality”*
**Ease Of Use**14%
*“Convenient kit, everything you need is included”*
**Value For Money**13%
*“Overall, great value for the money and everything you need in one kit”*
**Motor Power**4%
*“Great price for name brand Outboard motor oil”*
**Lubrication**4%
*“It's great 👍 Everything you need for an oil change”*
**Leak-Proof**4%
*“no oil drips into the engine compartment”*
**Filtration**2%
*“Filter fit, oil went in, first time I've changed the oil myself, went well”*
**Ease Of Cleaning**2%
*“which helps maintain cleanliness during the process”*
**Add-Ons/Attachments**2%
*“great value, very easy to use and very useful, it came with all accessories needed”*
### **What buyers complain about **
**Size-Overall**47%
*“was a little short for my engine”*
**Advertised Vs Actual Product**17%
*“Listing incorrect”*
**Filtration**13%
*“Filter Didnt appear to have been used though”*
**Product Condition**7%
*“Makes me think i received a returned filter from a previous customer”*
### **Top return reasons **
**Size-Overall**39%
**Advertised Vs Actual Product**19%
**Compatibility-Overall**18%
**Value For Money**7%
**Filtration**5%
**Defective Material/Parts**3%
**Lubrication**2%
**Leak-Proof**2%
**Functionality-Overall**1%
**Maintenance And Repair**1%
## **Common questions**
- **Is mercury 150 4 stroke oil change kit profitable to sell on Amazon United States?**
- The niche generates $105K/yr across 12 tracked products. 90-day search growth is -5.9%. Flapen's verdict: Skip it (36/100).
- **How competitive is the mercury 150 4 stroke oil change kit niche?**
- 3 brands and 32 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in mercury 150 4 stroke oil change kit?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Filtration. The return rate is 0.4%.
- **When does demand for mercury 150 4 stroke oil change kit peak?**
- Demand peaks in May–Jun; the busiest month runs 8.9× the quietest.
- **What does it cost to enter the mercury 150 4 stroke oil change kit niche?**
- Listings span $35.26–$144.95; the average listing price is $74.87 (sweet spot $15–$100). The average incumbent carries 1,008 reviews — the moat a new listing must climb.
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