---
title: "Lower Unit Gear Oil Pump — $71K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/lower-unit-gear-oil-pump"
last_updated: "2026-08-10T22:03:08.652Z"
locale: en
meta:
description: "Niche score 53/100 · $71K/yr market · 37K searches/yr · $13.15 avg price. A small market ($71K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $71K/yr market · 37K searches/yr · $13.15 avg price. A small market ($71K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Lower Unit Gear Oil Pump — $71K/yr Amazon US Niche (2026) - Flapen"
---
# **lower unit gear oil pump**
**Worth a look**
Shows searches that convert (14.7% search→purchase), but a small market ($71K/yr) keeps it on the watch list.
Market size 18Growth 76Conversion 97Competition 18Returns 96Price range 53Avg price 60Brand share 40Review moat 50Quality gap 50
**Conversion**
**Incredible****14.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+61.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$13.15**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.90–$25.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,512.25**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$71K**
$71K/yr · 37K searches
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, lower unit gear oil pump is a $71K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Apr–May–Oct. Verdict: Worth a look — 53/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lower unit gear oil pump market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$66K–$79K**
- units × avg price
- **Conversion rate**
- **14.7%**
- **Avg BSR**
- **#42**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**64**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**13%**
- Slippery Pete33% - LOZAGU17% - SeaSierra16% - Quicksilver9% - Bzcovac7% - Jewheg6% - Open — no brand owns it (4 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +61.7% search growth over the last 90 days.
1K800Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Oct · busiest ÷ quietest = 3.3×
[**Open Trend **](https://flapen.com/research/us/automotive/lower-unit-gear-oil-pump/trend)
## **Top lower unit gear oil pump search terms**
- **lower unit gear oil pump**22K/yr+53.3%14.3% conv. - **gear lube pump for marine lower unit**7K/yr+77.6%15.7% conv. - **lower unit oil pump**5K/yr+92.3%14.0% conv. - **outboard lower unit oil pump**3K/yr+47.2%11.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/lower-unit-gear-oil-pump/search-terms)
## **Top lower unit gear oil pump 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%$7K20%$14K30%$21K40%$29K101001K10K 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**Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles Includes 3/8 inch Metal Swivel 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)**Slippery Pete**$15.97**4.7★6,063 rev](https://www.amazon.com/dp/B07QQVCRSD) [2**LOZAGU Lower Unit Gear Oil Pump for Standard Quart Bottles - 10cc Per Pump Stroke Transmission Fluid Pump Includes 3/8 inch Metal Swivel 8mm and 10mm 3rd Hand Adapter**LOZAGU**$9.50**4.4★305 rev](https://www.amazon.com/dp/B0D3LL44YV) [3**Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors**SeaSierra**$15.00**4.2★185 rev](https://www.amazon.com/dp/B0DNFJ1DZ3) [4**Bzcovac Lower Unit Gear Oil Pump for Standard Quart Bottles - 8cc Pump 8mm & 10mm Adapters 3/8 Metal Swivel - Outboard Motors Gear Lube Pump for Mercury Yamaha Suzuki and More**Bzcovac**$12.98**4.4★97 rev](https://www.amazon.com/dp/B0DK3GSF6N) [5**Lower Unit Gear Oil Pump for Standard Quart Bottles for 28mm bottle caps10CC Per Pump Strokegear oil pump for quart bottle 3/8 inch Metal Swivel 8mm and 10mm 3rd Hand Adapter and 19 inch hose**Jewheg**$8.65**4.3★270 rev](https://www.amazon.com/dp/B0DNK6V4FJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SankWin Boat Lower Unit Gear Lube Oil Pump Compatible with Mercury Yamaha Honda Suzuki Evinrude Marine Outboard and MerCruiser OMC Outdrive**SankWin**$15.39**60 rev1y ago](https://www.amazon.com/dp/B0FHB13LMT) [**Lower Unit Gear Oil Pump for Standard Quart Bottles for 28mm bottle caps10CC Per Pump Strokegear oil pump for quart bottle 3/8 inch Metal Swivel 8mm and 10mm 3rd Hand Adapter and 19 inch hose**Jewheg**$8.65**270 rev1y ago](https://www.amazon.com/dp/B0DNK6V4FJ) [**Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors**SeaSierra**$15.00**185 rev1y ago](https://www.amazon.com/dp/B0DNFJ1DZ3) [**Bzcovac Lower Unit Gear Oil Pump for Standard Quart Bottles - 8cc Pump 8mm & 10mm Adapters 3/8 Metal Swivel - Outboard Motors Gear Lube Pump for Mercury Yamaha Suzuki and More**Bzcovac**$12.98**97 rev1y ago](https://www.amazon.com/dp/B0DK3GSF6N) [**LOZAGU Lower Unit Gear Oil Pump for Standard Quart Bottles - 10cc Per Pump Stroke Transmission Fluid Pump Includes 3/8 inch Metal Swivel 8mm and 10mm 3rd Hand Adapter**LOZAGU**$9.50**305 rev2y ago](https://www.amazon.com/dp/B0D3LL44YV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SankWin Boat Lower Unit Gear Lube Oil Pump Compatible with Mercury Yamaha Honda Suzuki Evinrude Marine Outboard and MerCruiser OMC Outdrive**SankWin**$15.39**4.2★**▲ 70%**](https://www.amazon.com/dp/B0FHB13LMT) [**Bzcovac Lower Unit Gear Oil Pump for Standard Quart Bottles - 8cc Pump 8mm & 10mm Adapters 3/8 Metal Swivel - Outboard Motors Gear Lube Pump for Mercury Yamaha Suzuki and More**Bzcovac**$12.98**4.4★**▲ 63%**](https://www.amazon.com/dp/B0DK3GSF6N) [**Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors**SeaSierra**$15.00**4.2★**▲ 28%**](https://www.amazon.com/dp/B0DNFJ1DZ3) [**Quicksilver 8M0072133 Gear Lube Pump - Fits One Qt. or One Liter Bottles**Quicksilver**$14.83**4.7★**▲ 24%**](https://www.amazon.com/dp/B000XBKKWY) [**Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles Includes 3/8 inch Metal Swivel 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)**Slippery Pete**$15.97**4.7★**▲ 13%**](https://www.amazon.com/dp/B07QQVCRSD)
**~~View all trending →~~**
## **What buyers say about lower unit gear oil pump**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Performance has been great”*
**Efficiency**15%
*“Did its job”*
**Advertised Vs Actual Product**13%
*“As advertised”*
**Ease Of Use**12%
*“Easy to use”*
**Size-Overall**10%
*“Fits well”*
**Value For Money**10%
*“reasonable price”*
**Pressure**4%
*“Worked good pumping the fluid in”*
**Leak-Proof**4%
*“doesn't leak”*
**Lubrication**2%
*“Makes adding transfer case oil much easier”*
**Maintenance And Repair**2%
*“Perfect for Servicing Lower Unit”*
### **What buyers complain about **
**Size-Overall**27%
*“adapters don't fit”*
**Quality-Overall**19%
*“poor quality control”*
**Compatibility-Overall**8%
*“threads don't fit the Suzuki DF70”*
**Add-Ons/Attachments**6%
*“Adapters wont adapt”*
**Lubrication**5%
*“Wasting expensive lube”*
**Instructions/User Manual/Troubleshooting**4%
*“Ok. No instructions worked ok”*
**Leak-Proof**4%
*“The clear hose kept slipping off of the pump causing oil leaking out in a fairly fast rate”*
**Ease Of Use**4%
*“well it can't get any easier than this”*
**Durability**4%
*“Broke on first use”*
**Advertised Vs Actual Product**3%
*“Not like on the description”*
### **Top return reasons **
**Size-Overall**39%
**Value For Money**12%
**Compatibility-Overall**9%
**Defective Material/Parts**9%
**Advertised Vs Actual Product**8%
**Leak-Proof**6%
**Functionality-Overall**5%
**Add-Ons/Attachments**2%
**Maintenance And Repair**2%
**Product Condition**1%
## **Common questions**
- **Is lower unit gear oil pump profitable to sell on Amazon United States?**
- The niche generates $71K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +61.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the lower unit gear oil pump niche?**
- 10 brands and 64 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in lower unit gear oil pump?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Compatibility-Overall. The return rate is 0.8%.
- **When does demand for lower unit gear oil pump peak?**
- Demand peaks in Apr–May–Oct; the busiest month runs 3.3× the quietest.
- **What does it cost to enter the lower unit gear oil pump niche?**
- Listings span $5.90–$25.27; the average listing price is $13.15 (sweet spot $15–$100). The average incumbent carries 1,512 reviews — the moat a new listing must climb.
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