---
title: "3 Oz Grease Cartridge — $79K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/3-oz-grease-cartridge"
last_updated: "2026-08-09T10:26:57.547Z"
locale: en
meta:
description: "Niche score 46/100 · $79K/yr market · 61K searches/yr · $13.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $79K/yr market · 61K searches/yr · $13.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "3 Oz Grease Cartridge — $79K/yr Amazon US Niche (2026) - Flapen"
---
# **3 oz grease cartridge**
**Skip it**
A concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Market size 20Growth 71Conversion 86Competition 13Returns 85Price range 45Avg price 62Brand share 17Review moat 48Quality gap 35
**Conversion**
**Great****9.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+53.5%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$13.38**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****1,700.67**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****$9.03–$19.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$79K**
$79K/yr · 61K searches
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, 3 oz grease cartridge is a $79K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–May–Jun. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3 oz grease cartridge market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$80K–$107K**
- units × avg price
- **Conversion rate**
- **9.7%**
- **Avg BSR**
- **#101**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.9%**
- **Avg brand age**
- **92 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**93**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**3%**
- Lucas Oil68% - Sta-Lube8% - KRETLAW7% - Better Boat5% - Lubrimatic5% - AGS4% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +53.5% search growth over the last 90 days.
2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/automotive/3-oz-grease-cartridge/trend)
## **Top 3 oz grease cartridge search terms**
- **3 oz grease cartridge**20K/yr+30.6%7.8% conv. - **3oz grease cartridge**12K/yr+46.2%10.9% conv. - **mini grease gun cartridge**11K/yr+53.6%10.0% conv. - **small grease gun 3 oz cartridge**5K/yr+231.7%7.2% conv. - **mini grease tube**5K/yr+68.4%11.9% conv. - **grease tube 3 oz**4K/yr+56.7%9.0% conv. - **small grease tube**4K/yr+13.0%8.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/3-oz-grease-cartridge/search-terms)
## **Top 3 oz grease cartridge 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%15%$12K30%$24K45%$35K60%$47K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lucas Oil 10318 Red N Tacky Grease 3 Ounce Combo Pack**Lucas Oil**$10.53**4.6★4,829 rev](https://www.amazon.com/dp/B08YJ3J221) [2**Lucas Oil 10682 Marine Grease 3 Ounce Combo Pack**Lucas Oil**$12.13**4.7★4,744 rev](https://www.amazon.com/dp/B00O7CLV1O) [3![Sta-Lube Moly-Graph Extreme Pressure Multi-Purpose Grease SL3144 - [Pack of 3] 3 Wt Oz. Extreme Pressure Multi-Purpose Molybdenum and Graphite Grease](https://m.media-amazon.com/images/I/41bSYPAPi0L.jpg)**Sta-Lube Moly-Graph Extreme Pressure Multi-Purpose Grease SL3144 - \[Pack of 3\] 3 Wt Oz. Extreme Pressure Multi-Purpose Molybdenum and Graphite Grease**Sta-Lube**$15.04**4.6★504 rev](https://www.amazon.com/dp/B000CPCSNU) [4**KRETLAW Mini Grease Gun (3000PSI) with Double 3oz Cartridge Grease and 12 Flex Hose Reinforced Coupler for Automotive Marine**KRETLAW**$17.88**4.2★2,490 rev](https://www.amazon.com/dp/B0D67HJBWW) [5**3PK Mini Marine Grease Tube 3 Oz Cartridge Waterproof High Temp Wheel Bearing Lubricant NLGI 2 for Boat Trailer Bearings and Grease Guns 3-Pack**Better Boat**$19.79**4.6★339 rev](https://www.amazon.com/dp/B0CYCQ7NMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AGS Sticky Red Multipurpose Grease Lithium Complex 3 oz Tubes Water Resistant Extreme Pressure 3 Pack**AGS**$9.03**13 rev3mo ago](https://www.amazon.com/dp/B0GTRRZFQ7) [**3PK Mini Marine Grease Tube 3 Oz Cartridge Waterproof High Temp Wheel Bearing Lubricant NLGI 2 for Boat Trailer Bearings and Grease Guns 3-Pack**Better Boat**$19.79**339 rev1y ago](https://www.amazon.com/dp/B0CYCQ7NMC) [**KRETLAW Mini Grease Gun (3000PSI) with Double 3oz Cartridge Grease and 12 Flex Hose Reinforced Coupler for Automotive Marine**KRETLAW**$17.88**2,490 rev2y ago](https://www.amazon.com/dp/B0D67HJBWW) [**Lucas Oil 10318 Red N Tacky Grease 3 Ounce Combo Pack**Lucas Oil**$10.53**4,829 rev5y ago](https://www.amazon.com/dp/B08YJ3J221) [**Red and Tacky Lithium Grease Tube | Wheel Bearing | High Temp | Axle | Automotive | Trailer | 5th Wheel | Ball Joint | Tractor | Single Cartridge for Grease Gun | NLGI 2 | HeavyDuty**GREASECO**$9.96**742 rev5y ago](https://www.amazon.com/dp/B08Z7WCDG2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AGS Sticky Red Multipurpose Grease Lithium Complex 3 oz Tubes Water Resistant Extreme Pressure 3 Pack**AGS**$9.03**4.6★**▲ 165%**](https://www.amazon.com/dp/B0GTRRZFQ7) [**Red and Tacky Lithium Grease Tube | Wheel Bearing | High Temp | Axle | Automotive | Trailer | 5th Wheel | Ball Joint | Tractor | Single Cartridge for Grease Gun | NLGI 2 | HeavyDuty**GREASECO**$9.96**4.6★**▲ 22%**](https://www.amazon.com/dp/B08Z7WCDG2) [**3PK Mini Marine Grease Tube 3 Oz Cartridge Waterproof High Temp Wheel Bearing Lubricant NLGI 2 for Boat Trailer Bearings and Grease Guns 3-Pack**Better Boat**$19.79**4.6★**▲ 14%**](https://www.amazon.com/dp/B0CYCQ7NMC) [**KRETLAW Mini Grease Gun (3000PSI) with Double 3oz Cartridge Grease and 12 Flex Hose Reinforced Coupler for Automotive Marine**KRETLAW**$17.88**4.2★**— 5%**](https://www.amazon.com/dp/B0D67HJBWW) [**Lucas Oil 10318 Red N Tacky Grease 3 Ounce Combo Pack**Lucas Oil**$10.53**4.6★**— 4%**](https://www.amazon.com/dp/B08YJ3J221)
**~~View all trending →~~**
## **What buyers say about 3 oz grease cartridge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Excellent product”*
**Advertised Vs Actual Product**13%
*“Works as advertised”*
**Ease Of Use**12%
*“Ease of use”*
**Value For Money**11%
*“Good Value as of today”*
**Lubrication**10%
*“Good multipurpose grease”*
**Size-Overall**5%
*“Convenient size for golf carts etc”*
**Efficiency**5%
*“its performing nicely without any complaints”*
**De-Grease**4%
*“Not sure what to say about it except it's good grease”*
**Compactness**3%
*“compact”*
**Durability**2%
*“It feels durable”*
### **What buyers complain about **
**Quality-Overall**23%
*“Quality control issue”*
**Leak-Proof**13%
*“Leaks like crazy”*
**Functionality-Overall**9%
*“Doesnt work properly”*
**Lubrication**8%
*“The tube of grease had to be pounded into place because of tight tolerances”*
**Size-Overall**6%
*“These didnt fit”*
**Value For Money**5%
*“Not a good value”*
**Ease Of Use**3%
*“even worse getting it out”*
**Design-Overall**3%
*“POOR DESIGN or improper spring”*
**Durability**2%
*“Broke on the first use”*
**Pressure**2%
*“Hard to load and weak PSI”*
### **Top return reasons **
**Size-Overall**47%
**Defective Material/Parts**14%
**Leak-Proof**12%
**Advertised Vs Actual Product**6%
**Functionality-Overall**4%
**Value For Money**3%
**Lubrication**2%
**Compatibility-Overall**2%
**Quality-Overall**1%
**Pressure**1%
## **Common questions**
- **Is 3 oz grease cartridge profitable to sell on Amazon United States?**
- The niche generates $79K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +53.5%. Flapen's verdict: Skip it (46/100).
- **How competitive is the 3 oz grease cartridge niche?**
- 7 brands and 93 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in 3 oz grease cartridge?**
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Functionality-Overall. The return rate is 1.5%.
- **When does demand for 3 oz grease cartridge peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the 3 oz grease cartridge niche?**
- Listings span $9.03–$19.79; the average listing price is $13.38 (sweet spot $15–$100). The average incumbent carries 1,701 reviews — the moat a new listing must climb.
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