Prolong
FailShoppers spend an estimated $12K a year here, so Prolong is a Fail.
- Flapen Score
- 38 / 100Ranks 6,359 of 7,287 Automotive niches · −11 vs the category median of 4938
- Market size
- $12K/yr33K searches / yr
- 90-day growth
- -5.4%search demand this quarter
- Competition
- 70%top-5 click share · 12 brands · 92 sellers
Flapen Score
Prolong against its category
The dotted line is the Automotive average. Past it, Prolong is stronger. Inside it, weaker.
Market
The Prolong market on Amazon at a glance
Shoppers on Amazon United States searched for Prolong 33K times last year and spent an estimated $12K. The top 5 brands take 80% of clicks. Demand peaks in Jan–Dec. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.3% of those searches ended in a purchase.
Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.3% of those searches ended in a purchase. Searches in the last 90 days moved -5.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $12K a year.
- Searches, last 12 months
- 33K
- Growth, 90 days vs prior 90
- -5.4%
- Conversion, latest week
- 1.3%
- Market size, estimated
- $12Ka year
- Peak month
- December1.8× the quietest month
- Top search term
- prolong engine treatment19K searches a year
02 · Price
A sale here is worth $29.56.
Listings sell for $29.56 on average, from $9.70 to $111.96. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $29.56 that is $0 to $3K a year per listing.
- Average price
- $29.56inside the $15 to $100 sweet spot
- Price range
- $9.70–$111.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
47% of listings pay for placement with sponsored ads. 76% ship with Prime. On an average day, 8.8% of listings are out of stock. The average listing ranks #3,729 within Oils & Fluids. It carries 5,616 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 47%
- Prime listings
- 76%
- Out of stock, average day
- 8.8%
- Average rank
- #3,729in Oils & Fluids
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 5,616per listing
- Listings tracked
- 17
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 104 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 104 months
Products
Top Prolong products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Prolong Super Lubricants PSL11000 Engine Treatment - 12 oz White
- Price
- $33.11
- Rating
- 4.8/5
- Reviews
- 2,312
- Age
- 16y ago

Prolong Super Lubricants PSL15000 Transmission Treatment 8 oz
- Price
- $23.69
- Rating
- 4.6/5
- Reviews
- 1,479
- Age
- 17y ago

Eyelash Extension Shampoo & Brush - Large 100ml Bottle - Gentle Foaming Cleanser Lash Wash for Extensions and Natural Lashes - Safe Daily Makeup Remover - Paraben & Sulphate Free - Salon & Home Use
- Price
- $25.00
- Rating
- 4.6/5
- Reviews
- 943
- Age
- 6y ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
- Price
- $37.00
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 1y ago

Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml
- Price
- $23.66
- Rating
- 3.9/5
- Reviews
- 16,448
- Age
- 7y ago
Trending
estimated 90-day click momentum
AlphaMale Premium Delay Cream - Last Longer in Bed - Desensitizing Creme with 7.5% Benzocaine - No-Mess Alternative to Delay Spray - To Prolong Intimacy - 1oz
- Price
- $21.14
- Rating
- 4.1/5
- Reviews
- 1,992
- Age
- 5mo ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1Gallon)
- Price
- $111.96
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 11mo ago

Slick 50 Original Engine Treatment | 32 oz. Single
- Price
- $16.54
- Rating
- 4.8/5
- Reviews
- 893
- Age
- 7y ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
- Price
- $37.00
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 1y ago

(5 Pack) Prolong Power Pills for Men Prolong Power Prolong Power Capsules Prolong Power Supplement ProlongPower Capsules for Men Prolong Power Original Pills Review 300 Pills for 5 Months
- Price
- $53.50
- Rating
- 3.2/5
- Reviews
- 241
- Age
- 1y ago
Newest
by launch date
AlphaMale Premium Delay Cream - Last Longer in Bed - Desensitizing Creme with 7.5% Benzocaine - No-Mess Alternative to Delay Spray - To Prolong Intimacy - 1oz
- Price
- $21.14
- Rating
- 4.1/5
- Reviews
- 1,992
- Age
- 5mo ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1Gallon)
- Price
- $111.96
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 11mo ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)
- Price
- $37.00
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 1y ago

Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)
- Price
- $29.38
- Rating
- 4.6/5
- Reviews
- 2,793
- Age
- 1y ago

(5 Pack) Prolong Power Pills for Men Prolong Power Prolong Power Capsules Prolong Power Supplement ProlongPower Capsules for Men Prolong Power Original Pills Review 300 Pills for 5 Months
- Price
- $53.50
- Rating
- 3.2/5
- Reviews
- 241
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 rising
Sellers
92
Est. top-5 brand share
80%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
15%
- Prolong Super Lubricants42%
- PROLONG LASH14%
- Prolube13%
- Liqui Moly6%
- Promescent5%
- Slick 505%
- Open — no brand owns it (6 brands, 15%)
Demand
Prolong search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Dec · busiest ÷ quietest = 1.8×
Reviews and returns
What reviews say buyers love and hate about Prolong
We read the reviews and the return reasons for every product selling here.
“I didn't get any results”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Prolong questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









