oil additive
Worth a lookShows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Market size
Incredible$4.5M$4.5M/yr · 1.9M searches
Avg price
Incredible$32.52avg listing price — sweet spot $15–$100
Price range
Great$9.70–$111.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.3%search→purchase rate — share of searches ending in a sale
Growth
Okay+2.9%90-day search growth — must beat 0% to launch
Review moat
Bad8,020.88avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad87%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, oil additive is a $4.5M/yr Amazon United States market (1.9M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 50/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
oil additive market data
- Units sold / yr
- 125K–150K
- avg 10,000–12,500/product
- Revenue / yr
- $4.1M–$4.9M
- units × avg price
- Conversion rate
- 7.3%
- Avg BSR
- #7
- Page quality
- 0%
- Prime
- 63%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 87 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
121
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
0%
- Prolube69%
- Liqui Moly14%
- Lucas Oil13%
- LUCAS OIL5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 3.3×
Top oil additive search terms
- prolube oil treatment243K/yr
- liqui moly292K/yr
- lucas oil stabilizer200K/yr
- prolube171K/yr
- lucas161K/yr
- pro lube oil additive110K/yr
- liquid molly89K/yr
- lucas oil63K/yr
- pro lube76K/yr
- prolube oil treatment additive176K/yr
Top oil additive 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
Prolube$37.004.6★2,793 rev

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)
Prolube$29.384.6★2,793 rev

Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart
Lucas Oil$11.914.8★6,656 rev

LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml
Liqui Moly$28.704.8★33,774 rev

Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
Liqui Moly$9.704.7★7,073 rev
Newest
by launch date
Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1Gallon)
Prolube$111.962,793 rev

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
Prolube$37.002,793 rev

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)
Prolube$29.382,793 rev

Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart
LUCAS OIL$15.333,457 rev

LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml
Liqui Moly$28.7033,774 rev
Trending
90-day click momentum
Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1Gallon)
Prolube$111.964.6★

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
Prolube$37.004.6★

Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart
Lucas Oil$11.914.8★

Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
Liqui Moly$9.704.7★

Lucas Oil 10130 Pure Synthetic Oil Stabilizer - 1 Quart
Lucas Oil$16.224.8★
What buyers say about oil additive
What buyers praise and complain about, mined from review topics.What buyers love
“Great product, worked wonderfully for my car”
“quiet as could be”
“Excellent Lubricant”
“AS ADVERTISED”
“A five percent increase in fuel mileage”
“Immediate improvements”
“Best price”
“Goes in everything I have motor wise”
“Easy to use”
“Works great and smooth”
What buyers complain about
“it took alot of the mechanical noise from the motor”
“Don't work as described”
“Overpriced”
“Anxious to see if this lubricant lives up to it's reputation”
“Caused leaking seals”
“Crap dont buy this product it made my engine tick”
“Extremely dissatisfied with this product”
“change the photo it is very deceiving”
“found out that the oil was very thick”
“I used as directed didn't seem to make any difference”
Top return reasons
Common questions
- Is oil additive profitable to sell on Amazon United States?
- The niche generates $4.5M/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Worth a look (50/100).
- How competitive is the oil additive niche?
- 4 brands and 121 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in oil additive?
- Top complaints mined from reviews: Noise Level, Functionality-Overall, Value For Money. The return rate is 0.3%.
- When does demand for oil additive peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 3.3× the quietest.
- What does it cost to enter the oil additive niche?
- Listings span $9.70–$111.96; the average listing price is $32.52 (sweet spot $15–$100). The average incumbent carries 8,021 reviews — the moat a new listing must climb.