---
title: "Marine Grease — $751K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/marine-grease"
last_updated: "2026-08-10T06:11:10.513Z"
locale: en
meta:
description: "Niche score 58/100 · $751K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $751K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Marine Grease — $751K/yr Amazon US Niche (2026) - Flapen"
---
# **marine grease**
**Worth a look**
Shows searches that convert (16.3% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 71Growth 79Conversion 98Competition 21Returns 96Price range 84Avg price 82Brand share 15Review moat 41Quality gap 17
**Conversion**
**Incredible****16.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$8.32–$56.63**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$17.99**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+69.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$751K**
$751K/yr · 256K searches
**Review moat**
**Okay****2,359.77**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, marine grease is a $751K/yr Amazon United States market (256K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 58/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **marine grease market data**
- **Units sold / yr**
- **40K–50K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$720K–$900K**
- units × avg price
- **Conversion rate**
- **16.3%**
- **Avg BSR**
- **#26**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **62%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **91 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**124**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**4%**
- Lucas Oil64% - Quicksilver16% - STAR BRITE6% - Better Boat5% - Generic3% - Yamaha Motor2% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +69.7% search growth over the last 90 days.
8K6KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/automotive/marine-grease/trend)
## **Top marine grease search terms**
- **marine grease**133K/yr+64.0%13.6% conv. - **marine grease tube**34K/yr+70.0%16.7% conv. - **lucas marine grease**19K/yr+32.3%18.1% conv. - **marine wheel bearing grease**8K/yr+82.8%10.0% conv. - **marine grade grease**8K/yr+61.7%10.9% conv. - **2-4-c marine grease**6K/yr+189.2%8.5% conv. - **yamalube marine grease**6K/yr+167.2%7.2% conv. - **lucas oil marine grease**5K/yr+87.3%19.5% conv. - **lucas marine grease tube**5K/yr+37.4%20.5% conv. - **quicksilver 2-4-c marine grease**5K/yr+116.9%9.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/marine-grease/search-terms)
## **Top marine grease 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%$75K20%$150K30%$225K40%$300K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Marine GREASE/30X1/14 OUN**Lucas Oil**$8.32**4.7★4,744 rev](https://www.amazon.com/dp/B005973H5Y) [2**Lucas Oil Products 8072382 16 oz Marine Grease**Lucas Oil**$13.58**4.7★4,744 rev](https://www.amazon.com/dp/B09GS6ZQQ9) [3**Lucas Oil 10682 Marine Grease 3 Ounce Combo Pack**Lucas Oil**$12.13**4.7★4,744 rev](https://www.amazon.com/dp/B00O7CLV1O) [4**Quicksilver 8M0071838 High Performance Multi-Purpose Extreme NLGI 2 Marine Grease - 8 Oz. Tube**Quicksilver**$12.83**4.8★2,672 rev](https://www.amazon.com/dp/B00BO8A6P6) [5**STAR BRITE Wheel Bearing Grease - Marine Grade Boat Trailer - 14 OZ Grease Gun Cartridge (026014)**STAR BRITE**$11.15**4.7★2,012 rev](https://www.amazon.com/dp/B000XBHAV8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Marine Grease Tube Waterproof High Temp Marine Wheel Bearing Grease Extreme Pressure Protection High Performance Multi-Purpose for Steering Cables Throttle and Shift Cables 50g**YOTEBLE**$10.78**14 rev8mo ago](https://www.amazon.com/dp/B0FZV2D924) [**Marine Grease 10320 | Overbased Calcium Sulfonate Formula | 14 Ounce Tube | for Marine Trailer Wheel Bearing/Trailer Chassis Lubrication and Outboards | 2 Pack Special**Generic**$23.24**31 rev1y ago](https://www.amazon.com/dp/B0FXY9CF8D) [**Better Boat Marine Grease Tube 14 Oz Waterproof High Temp Trailer Bearing Lubricant NLGI 2 Compatible with Grease Guns**Better Boat**$16.09**339 rev1y ago](https://www.amazon.com/dp/B0CY3D6JLT) [**Quicksilver 8M0190469 2-4-C Marine Grease with Teflon 14 oz**Quicksilver**$16.43**43 rev3y ago](https://www.amazon.com/dp/B0C54KKMDK) [**AtomLube Ultra Heavy Duty Red Grease 2-Pack of 14 Oz. Tubes| Waterproof & High Temp Lubricant | Wheel Bearing Grease for Semi Truck Accessories**AtomLube**$24.28**2,634 rev4y ago](https://www.amazon.com/dp/B09MSHCK6Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Better Boat Marine Grease Tube 14 Oz Waterproof High Temp Trailer Bearing Lubricant NLGI 2 Compatible with Grease Guns**Better Boat**$16.09**4.6★**▲ 59%**](https://www.amazon.com/dp/B0CY3D6JLT) [**Marine GREASE/30X1/14 OUN**Lucas Oil**$8.32**4.7★**▲ 53%**](https://www.amazon.com/dp/B005973H5Y) [**Marine Grease Tube Waterproof High Temp Marine Wheel Bearing Grease Extreme Pressure Protection High Performance Multi-Purpose for Steering Cables Throttle and Shift Cables 50g**YOTEBLE**$10.78**4.7★**▲ 52%**](https://www.amazon.com/dp/B0FZV2D924) [**Quicksilver 8M0071838 High Performance Multi-Purpose Extreme NLGI 2 Marine Grease - 8 Oz. Tube**Quicksilver**$12.83**4.8★**▲ 38%**](https://www.amazon.com/dp/B00BO8A6P6) [**Quicksilver 8M0190469 2-4-C Marine Grease with Teflon 14 oz**Quicksilver**$16.43**4.9★**▲ 12%**](https://www.amazon.com/dp/B0C54KKMDK)
**~~View all trending →~~**
## **What buyers say about marine grease**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**30%
*“Great results”*
**Lubrication**12%
*“This Lucas grease holds up well”*
**Value For Money**11%
*“Good Value as of today”*
**Advertised Vs Actual Product**11%
*“Item worked as it should have”*
**Efficiency**6%
*“Works well”*
**Size-Overall**4%
*“fittings all season with zero issues”*
**Ease Of Use**4%
*“ease to use”*
**Durability**3%
*“So its durable professional grade”*
**Smell**3%
*“No complaints & no odor”*
**Water Resistance**3%
*“Great stuff for water exposure”*
### **What buyers complain about **
**Value For Money**14%
*“way to expensive 7 t0 9 dollars elsewhere try walmart”*
**Lubrication**13%
*“These cartridges have grease in them, however, the center of the grease is hollow, like someone stuck a 5/8" diameter rod down the center for about 3 1/2".”*
**Leak-Proof**10%
*“Thin and liquid like grease, leaks out of tubes”*
**Advertised Vs Actual Product**10%
*“Very misleading”*
**Durability**7%
*“they didnt hold up nearly as well over time”*
**Quality-Overall**7%
*“Junk”*
**Size-Overall**4%
*“Tubes are small”*
**Color**4%
*“Miss the blue color”*
**Ease Of Cleaning**4%
*“I had a mess to clean, threw the tube out, the gun with it, my shoes and shirt”*
**Ease Of Use**4%
*“The pop open end of the tube just would not open up”*
### **Top return reasons **
**Size-Overall**38%
**Leak-Proof**19%
**Defective Material/Parts**16%
**Advertised Vs Actual Product**7%
**Compatibility-Overall**4%
**Value For Money**4%
**Lubrication**3%
**Functionality-Overall**2%
**Maintenance And Repair**2%
**Color**1%
## **Common questions**
- **Is marine grease profitable to sell on Amazon United States?**
- The niche generates $751K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +69.7%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the marine grease niche?**
- 8 brands and 124 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in marine grease?**
- Top complaints mined from reviews: Value For Money, Lubrication, Leak-Proof. The return rate is 0.8%.
- **When does demand for marine grease peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the marine grease niche?**
- Listings span $8.32–$56.63; the average listing price is $17.99 (sweet spot $15–$100). The average incumbent carries 2,360 reviews — the moat a new listing must climb.
## **Related niches in Automotive**
- 72 [**brake bleeder kit**](https://flapen.com/research/us/automotive/brake-bleeder-kit)$2.2M/yr+8.2%**Launch it**- 72 [**gas can pump**](https://flapen.com/research/us/automotive/gas-can-pump)$1.7M/yr+20.1%**Launch it**- 72 [**dewalt hedge trimmer**](https://flapen.com/research/us/automotive/dewalt-hedge-trimmer)$1.6M/yr+158.2%**Launch it**- 72 [**iron eraser**](https://flapen.com/research/us/automotive/iron-eraser)$107K/yr>1,000%**Worth a look**- 72 [**marine fuel line**](https://flapen.com/research/us/automotive/marine-fuel-line)$198K/yr+104.3%**Worth a look**- 72 [**garden hose filter**](https://flapen.com/research/us/automotive/garden-hose-filter)$729K/yr+110.7%**Worth a look**[**All Automotive niches **](https://flapen.com/research/us/automotive)