75w140 synthetic gear oil
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$37.39avg listing price — sweet spot $15–$100
Price range
Incredible$15.32–$61.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.6%return rate — above 6% kills the launch gate
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Review moat
Good1,251.5avg incumbent reviews — the moat a new listing must climb
Market size
Good$368K$368K/yr · 137K searches
Growth
Okay+15.5%90-day search growth — must beat 0% to launch
Competition
Bad78%top-5 click share — a locked-up shelf
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad98%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
134
Top-5 brand share
98%
Open market
0%
- Valvoline59%
- Lucas Oil18%
- Royal Purple13%
- Amsoil5%
- Triax3%
- ULTRA 1PLUS2%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
Valvoline$15.324.8★4,288 rev

Lucas Oil 10122 75 W-140 Synthetic Motor Lube Case of 4
Lucas Oil$50.594.8★1,384 rev

Valvoline FlexFill Extended Protection Full Synthetic 75W-140 Gear Oil 1 QT Pouch
Valvoline$21.724.9★144 rev

MAX GEAR 75W140- Quart pack of 6
Royal Purple$22.194.6★990 rev

Valvoline Flexfill SAE 75W-140 Full Synthetic Gear Oil 1 QT Case of 4
Valvoline$61.804.8★4,288 rev
Newest
by launch date
Valvoline FlexFill Extended Protection Full Synthetic 75W-140 Gear Oil 1 QT Pouch
Valvoline$21.72144 rev

ULTRA 1PLUS SAE 75W-140 Synthetic Gear Oil API GL-5
ULTRA 1PLUS$41.2599 rev

Amsoil SVOPK 100% Synthetic Extreme Pressure (EP) SEVERE GEAR Lube Quart Easy-Pack (75W-140)
Amsoil$38.5599 rev

Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
Valvoline$15.324,288 rev

Valvoline Flexfill SAE 75W-140 Full Synthetic Gear Oil 1 QT Case of 4
Valvoline$61.804,288 rev
Trending
90-day click momentum
Valvoline FlexFill Extended Protection Full Synthetic 75W-140 Gear Oil 1 QT Pouch
Valvoline$21.724.9★

MAX GEAR 75W140- Quart pack of 6
Royal Purple$22.194.6★

Valvoline Flexfill SAE 75W-140 Full Synthetic Gear Oil 1 QT Case of 4
Valvoline$61.804.8★

Lucas Oil 10122 75 W-140 Synthetic Motor Lube Case of 4
Lucas Oil$50.594.8★

Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil 1 Quart Pouch
Valvoline$15.324.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.5% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“It keeps everything lubricated and working”
“Very convenient bag”
“Fair price”
“Works as it should, no issues”
“no noise in rear differential”
“Flex bag makes it so easy”
“Works well”
“Full synthetic”
“Quality Gear Oil”
What buyers complain about
“False advertising”
“bags leak during shipping”
“Easy poor”
“You cant even get all the oil out of the bag”
“Its smells awful”
“hubs because its way too thin for a 75w140 which is a terrible grade with a massive allowed range of viscosities”
“a pain to clean because of a bag”
“This is expensive oil”