oils & fluids
Launch itA $2.8M/yr market growing +7.3% this quarter with returns at 0.6% — clears our launch bar.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Market size
Incredible$2.8M$2.8M/yr · 1.4M searches
Avg price
Incredible$26.82avg listing price — sweet spot $15–$100
Price range
Great$6.37–$52.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.3%search→purchase rate — share of searches ending in a sale
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Growth
Okay+7.3%90-day search growth — must beat 0% to launch
Review moat
Bad5,770.52avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, oils & fluids is a $2.8M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Launch it — 57/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
oils & fluids market data
- Units sold / yr
- 100K–125K
- avg 4,000–5,000/product
- Revenue / yr
- $2.7M–$3.4M
- units × avg price
- Conversion rate
- 7.3%
- Avg BSR
- #20
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 68%
- Out of stock
- 0.0%
- Avg brand age
- 94 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
118
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
50%
Top 20: 95%
Open market
1%
- Valvoline38%
- Castrol26%
- Mobil23%
- Pennzoil10%
- Royal Purple2%
- Liqui Moly1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.3% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 2.1×
Top oils & fluids search terms
- 5w-30 full synthetic oil205K/yr
- 5w30169K/yr
- 5w30 motor oil160K/yr
- oils & fluids179K/yr
- motor oil 5w-30127K/yr
- 5w30 full synthetic oil117K/yr
- 5w 30 full synthetic motor oil89K/yr
- 5w-3068K/yr
- 5w30 oil43K/yr
- oil 5w3033K/yr
Top oils & fluids 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor Oil 5 Quart
Valvoline$20.594.8★28,037 rev
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT
Valvoline$26.884.8★13,436 rev
Mobil 1 Advanced Full Synthetic Motor Oil 5W-30 5 Quart
Mobil$25.924.8★7,245 rev
Castrol GTX Full Synthetic 5W-30 Motor Oil 5 Quarts
Castrol$23.384.8★3,971 rev
Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30 5 Quart
Mobil$26.264.9★5,438 rev
Newest
by launch date
Havoline Motor Oil 5w30 High Mileage Synthetic Technology Smart Change Engine Oil 5W-30 6 Quarts Pack of 1
HAVOLINE$23.22158 rev
Valvoline Restore & Protect Full Synthetic 5W-30 Motor Oil 5 Quart
Valvoline$31.011,511 rev
Valvoline MaxLife Extended Protection High Mileage 5W-30 Full Synthetic Motor Oil 5 Quart
Valvoline$27.28637 rev
Castrol GTX Full Synthetic 5W-30 Motor Oil 5 Quarts
Castrol$23.383,971 rev
Valvoline Extended Protection Full Synthetic Motor Oil SAE 5W-30 5 QT
Valvoline$27.521,426 rev
Trending
90-day click momentum
Pennzoil Platinum Full Synthetic 5W-30 Motor Oil 5 Quart
Pennzoil$24.554.8★
Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil 5 Quarts
Castrol$16.834.8★
Pennzoil 5W-30 Motor Oil 1 Quart
Pennzoil$6.374.8★
Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-30 5 Quart
Mobil$27.994.8★
Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30 5 Quart
Mobil$26.264.9★
What buyers say about oils & fluids
What buyers praise and complain about, mined from review topics.What buyers love
“Fair price”
“BEST QUALITY”
“It provides excellent lubrication”
“As advertised”
“help with fuel efficiency”
“Excellent Motor oil”
“The performance is smooth”
“Good Performance & Cleaning Capabilities”
“no leakage just routine change”
“quieter”
What buyers complain about
“arrived leaking”
“It's like lube”
“New cars are expensive”
“it makes all kinds of ticking noise”
“Full Synthetic is marketing hype without any legal standards to it”
“the 1 quart / 1500 miles oil consumption problem I had with a 150K mile”
“It would of blown up my engine”
“it's not the best”
“until your boyfriend forgets to tighten the oil filter”
“Smells oily and is slippery”
Top return reasons
Common questions
- Is oils & fluids profitable to sell on Amazon United States?
- The niche generates $2.8M/yr across 25 tracked products. 90-day search growth is +7.3%. Flapen's verdict: Launch it (57/100).
- How competitive is the oils & fluids niche?
- 7 brands and 118 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in oils & fluids?
- Top complaints mined from reviews: Leak-Proof, Lubrication, Value For Money. The return rate is 0.6%.
- When does demand for oils & fluids peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 2.1× the quietest.
- What does it cost to enter the oils & fluids niche?
- Listings span $6.37–$52.50; the average listing price is $26.82 (sweet spot $15–$100). The average incumbent carries 5,771 reviews — the moat a new listing must climb.