80w90 gear oil
Skip itBrand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$21.45avg listing price — sweet spot $15–$100
Price range
Great$10.80–$56.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Conversion
Good6.3%search→purchase rate — share of searches ending in a sale
Market size
Good$613K$613K/yr · 451K searches
Growth
Okay+12.8%90-day search growth — must beat 0% to launch
Review moat
Okay2,717.25avg incumbent reviews — the moat a new listing must climb
Competition
Bad74%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad99%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 80w90 gear oil is a $613K/yr Amazon United States market (451K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in May. Verdict: Skip it — 47/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
80w90 gear oil market data
- Units sold / yr
- 30K–40K
- avg 1,500–2,000/product
- Revenue / yr
- $644K–$858K
- units × avg price
- Conversion rate
- 6.3%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 63%
- Out of stock
- 0.0%
- Avg brand age
- 88 months
- Avg seller age
- 147 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
145
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- Valvoline55%
- Lucas Oil33%
- Quicksilver5%
- Triax4%
- Ford1%
- ULTRA 1PLUS1%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +12.8% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 2.0×
Top 80w90 gear oil search terms
- gear oil112K/yr
- differential fluid78K/yr
- 80w90 gear oil54K/yr
- rear differential fluid40K/yr
- differential oil25K/yr
- 80w-90 gear oil16K/yr
- gear oil 80w-9015K/yr
- 90w gear oil11K/yr
- 80w-90 gl-5 gear oil8K/yr
- 80w90 synthetic gear oil13K/yr
Top 80w90 gear oil 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Valvoline Daily Protection 80W-90 Gear Oil 1 Quart
Valvoline$10.804.8★4,129 rev
Lucas Oil 10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon
Lucas Oil$34.634.8★1,873 rev
80W-90 Gear Oil Qt
Lucas Oil$11.434.8★4,269 rev
Valvoline FlexFill Advanced Full Synthetic 75W-90 Gear Oil 1 Quart Pouch
Valvoline$15.474.8★4,288 rev
Valvoline High Performance SAE 80W-90 Gear Oil 1 GA
Valvoline$31.294.8★369 rev
Newest
by launch dateValvoline FlexFill Advanced Full Synthetic 75W-90 Gear Oil 1 Quart Pouch
Valvoline$15.474,288 rev
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
Valvoline$15.324,288 rev
Valvoline Flexfill SAE 75W-90 Full Synthetic Gear Oil 1 QT Case of 4
Valvoline$56.374,288 rev
ULTRA 1PLUS SAE 80W-90 Gear Oil - Heavy Duty API GL-5 80W90 Gear Oil - 1 Gallon
ULTRA 1PLUS$31.36168 rev
Triax Gear Premium LS 80W-90 GL-5 Limited Slip Ready Manual Transmissions Hypoid Gear Systems Differentials NATO Military Approved Widest OEM Specification Range (1 Gallon)
Triax$32.01513 rev
Trending
90-day click momentum
TRIAX Gear Premium LS 80W-90 GL-5 Limited Slip Ready Manual Transmissions Hypoid Gear Systems Differentials NATO Military Approved Widest OEM Specification Range (1 Quart)
Triax$12.834.7★
ULTRA 1PLUS SAE 80W-90 Gear Oil - Heavy Duty API GL-5 80W90 Gear Oil - 1 Gallon
ULTRA 1PLUS$31.364.6★
Valvoline Daily Protection 80W-90 Gear Oil 1 Quart
Valvoline$10.804.8★
Lucas Oil 10046 SAE 80W-90 Heavy Duty Gear Oil - 1 Gallon
Lucas Oil$34.634.8★
Ford Genuine Ford Fluid XY-80W90-QL SAE 80W-90 Premium Rear Axle Lubricant - 1 Quart
Ford$12.504.9★
What buyers say about 80w90 gear oil
What buyers praise and complain about, mined from review topics.What buyers love
“Its good oil”
“Fair price”
“Very convenient bag”
“Great oil”
“As advertised”
“Flex bag makes it so easy”
“Works well”
“very smooth”
“This fit the bill”
“no noise in rear differential”
What buyers complain about
“Arrived leaking”
“easy to poor”
“Did not have a lift so did the Ol crawl under”
“Garbage”
“Smelly”
“making terrible noises”
“Not much space wothout lifting thr car”
“just wanted to point out that the listing apparently is incorrect”
“just wish it were cheaper”
“The tube is small”
Top return reasons
Common questions
- Is 80w90 gear oil profitable to sell on Amazon United States?
- The niche generates $613K/yr across 16 tracked products. 90-day search growth is +12.8%. Flapen's verdict: Skip it (47/100).
- How competitive is the 80w90 gear oil niche?
- 6 brands and 145 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in 80w90 gear oil?
- Top complaints mined from reviews: Leak-Proof, Ease Of Use, Lubrication. The return rate is 1.4%.
- When does demand for 80w90 gear oil peak?
- Demand peaks in May; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 80w90 gear oil niche?
- Listings span $10.80–$56.37; the average listing price is $21.45 (sweet spot $15–$100). The average incumbent carries 2,717 reviews — the moat a new listing must climb.