Engine Restore
FailThe top 5 brands take 99% of clicks, so Engine Restore is a Fail.
- Flapen Score
- 41 / 100Ranks 5,810 of 7,287 Automotive niches · −8 vs the category median of 4941
- Market size
- $81K/yr70K searches / yr
- 90-day growth
- -1.3%search demand this quarter
- Competition
- 71%top-5 click share · 6 brands · 68 sellers
Flapen Score
Engine Restore against its category
The dotted line is the Automotive average. Past it, Engine Restore is stronger. Inside it, weaker.
Market
The Engine Restore market on Amazon at a glance
Shoppers on Amazon United States searched for Engine Restore 70K times last year and spent an estimated $81K. The top 5 brands take 99% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 5.5% of those searches ended in a purchase.
Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.5% of those searches ended in a purchase. Searches in the last 90 days moved -1.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $81K a year.
- Searches, last 12 months
- 70K
- Growth, 90 days vs prior 90
- -1.3%
- Conversion, latest week
- 5.5%
- Market size, estimated
- $81Ka year
- Top search term
- rislone engine treatment18K searches a year
02 · Price
A sale here is worth $20.99.
Listings sell for $20.99 on average, from $6.47 to $47.03. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $20.99 that is $2K to $5K a year per listing.
- Average price
- $20.99inside the $15 to $100 sweet spot
- Price range
- $6.47–$47.03
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 0.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
78% of listings pay for placement with sponsored ads. 78% ship with Prime. On an average day, 5.0% of listings are out of stock. The average listing ranks #104 within Oils & Fluids. It carries 3,243 reviews at 4.50 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 78%
- Prime listings
- 78%
- Out of stock, average day
- 5.0%
- Average rank
- #104in Oils & Fluids
- Average rating
- 4.50 starsAmazon United States average 4.42 stars
- Average reviews
- 3,243per listing
- Listings tracked
- 18
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 89 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 89 months
Products
Top Engine Restore 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
Rislone 4102 XTREME LUBE Maximum Performance Engine Treatment 16.9 oz.
- Price
- $6.47
- Rating
- 4.6/5
- Reviews
- 1,968
- Age
- 14y ago

Rislone 4447 High Mileage Compression Repair with Ring Seal 16.9 oz.
- Price
- $10.18
- Rating
- 4.4/5
- Reviews
- 2,011
- Age
- 13y ago

Ametech- Restore Engine Restorer & Lubricant 400Ml
- Price
- $47.03
- Rating
- 4.1/5
- Reviews
- 80
- Age
- 14y ago

Ametech- Restore Engine Restorer & Lubricant 250Ml
- Price
- $43.94
- Rating
- 4.0/5
- Reviews
- 102
- Age
- 14y ago

Rislone 4720 Cat Complete Fuel Exhaust and Emissions System Cleaner 16.9 oz. | Cleans Catalytic Converter Reduces Emissions & Saves Gas
- Price
- $24.30
- Rating
- 4.1/5
- Reviews
- 1,288
- Age
- 5y ago
Trending
estimated 90-day click momentum
Rislone 4102 Xtreme LUBE Maximum Performance Engine Treatment 16.9 oz 5-Pack
- Price
- $28.99
- Rating
- 4.6/5
- Reviews
- 1,968
- Age
- 6y ago

Ametech- Restore Engine Restorer & Lubricant 400Ml
- Price
- $47.03
- Rating
- 4.1/5
- Reviews
- 80
- Age
- 14y ago

Rislone 4416-5PK Ring Seal Repair 16 oz (Pack of 5)
- Price
- $29.10
- Rating
- 4.6/5
- Reviews
- 82
- Age
- 6y ago

XADO EX120 Motor Oil Additive - Engine Restore - Ceramic-Metal Coating and Revitalizant - Oil Treatment for High Mileage Engines - Restores Worn Metal Parts - for Gas and LPG Vehicles (Syringe 8 ml)
- Price
- $21.01
- Rating
- 4.4/5
- Reviews
- 421
- Age
- 14y ago

Rislone High Mileage Oil Supplement/Stabilizer 16.9 oz
- Price
- $8.78
- Rating
- 4.6/5
- Reviews
- 71
- Age
- 2y ago
Newest
by launch date
Rislone 4784 DEF Crystal Clean Diesel DEF & SCR Emissions System Cleaner 11.8 oz
- Price
- $20.18
- Rating
- 4.6/5
- Reviews
- 549
- Age
- 2y ago

Rislone High Mileage Oil Supplement/Stabilizer 16.9 oz
- Price
- $8.78
- Rating
- 4.6/5
- Reviews
- 71
- Age
- 2y ago

Rislone 4744 DPF CLEAN Diesel DPF Exhaust & Emissions System Cleaner 16.9 oz 1-Pack
- Price
- $22.80
- Rating
- 4.6/5
- Reviews
- 290
- Age
- 3y ago

Rislone 4720 Cat Complete Fuel Exhaust and Emissions System Cleaner 16.9 oz. | Cleans Catalytic Converter Reduces Emissions & Saves Gas
- Price
- $24.30
- Rating
- 4.1/5
- Reviews
- 1,288
- Age
- 5y ago

Rislone 4102 Xtreme LUBE Maximum Performance Engine Treatment 16.9 oz 5-Pack
- Price
- $28.99
- Rating
- 4.6/5
- Reviews
- 1,968
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
68
Est. top-5 brand share
99%
Top 20: 100%
Est. top-5 click share
71%
Top 20: 100%
Open market
0%
- Rislone54%
- Bar's Leaks15%
- Restore14%
- Ametech11%
- Liqui Moly4%
- XADO1%
Demand
Engine Restore search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3× · 6 of 12 months tracked
Search terms
Top Engine Restore search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rislone engine treatment18K/yr
- rislone18K/yr
- engine restore11K/yr
- restore engine restorer5K/yr
- restore oil additive4K/yr
- engine restore 4 cylinder4K/yr
- engine restore 6 cylinder3K/yr
- engine restorer3K/yr
- engine restore 8 cylinder4K/yr
Reviews and returns
What reviews say buyers love and hate about Engine Restore
We read the reviews and the return reasons for every product selling here.
“Usually if parts are making noise”
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.
19 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 Engine Restore 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









