Engine Cleaner
MaybeAn estimated 0.4% of orders come back. But the products selling today already average 4.6★, so Engine Cleaner is a Maybe.
- Flapen Score
- 58 / 100Top 14% of 7,287 Automotive niches · +9 vs the category median of 4958
- Market size
- $1.1M/yr738K searches / yr
- 90-day growth
- +13.8%search demand this quarter
- Competition
- 64%top-5 click share · 9 brands · 103 sellers
Flapen Score
Engine Cleaner against its category
The dotted line is the Automotive average. Past it, Engine Cleaner is stronger. Inside it, weaker.
Market
The Engine Cleaner market on Amazon at a glance
Shoppers on Amazon United States searched for Engine Cleaner 738K times last year and spent an estimated $1.1M. The top 5 brands take 82% of clicks. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 6.6% of those searches ended in a purchase.
Shoppers searched for this 738K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.6% of those searches ended in a purchase. Searches in the last 90 days moved +13.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.1M a year.
- Searches, last 12 months
- 738K
- Growth, 90 days vs prior 90
- +13.8%
- Conversion, latest week
- 6.6%
- Market size, estimated
- $1.1Ma year
- Peak month
- March1.8× the quietest month
- Top search term
- engine degreaser174K searches a year
02 · Price
A sale here is worth $22.31.
Listings sell for $22.31 on average, from $5.01 to $66.88. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 1,500 to 2,000 of them. At $22.31 that is $33K to $45K a year per listing.
- Average price
- $22.31inside the $15 to $100 sweet spot
- Price range
- $5.01–$66.88
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 40K–50K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $33K–$45K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
61% of listings pay for placement with sponsored ads. 78% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #41 within Oils & Fluids. It carries 2,560 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 61%
- Prime listings
- 78%
- Out of stock, average day
- 0.0%
- Average rank
- #41in Oils & Fluids
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 2,560per listing
- Listings tracked
- 18
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 75 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 75 months
Products
Top Engine Cleaner 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
Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz
- Price
- $11.33
- Rating
- 4.6/5
- Reviews
- 7,682
- Age
- 12y ago

Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon
- Price
- $11.32
- Rating
- 4.6/5
- Reviews
- 442
- Age
- 1y ago

3D Grand Blast Engine Degreaser Heavy Duty Biodegradable Cleaner for Engines Wheels Exhausts & More Fast-Acting Non-Staining Made in USA 1 Gallon
- Price
- $34.12
- Rating
- 4.5/5
- Reviews
- 1,013
- Age
- 15y ago

Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.
- Price
- $6.32
- Rating
- 4.5/5
- Reviews
- 370
- Age
- 1y ago

KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack
- Price
- $16.61
- Rating
- 4.5/5
- Reviews
- 560
- Age
- 3y ago
Trending
estimated 90-day click momentum
Gunk Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 6)
- Price
- $29.22
- Rating
- 4.6/5
- Reviews
- 203
- Age
- 10mo ago

ZEP ZUHFD18 Foam Degreaser 18 oz
- Price
- $5.01
- Rating
- 4.4/5
- Reviews
- 409
- Age
- 12y ago

Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz
- Price
- $11.33
- Rating
- 4.6/5
- Reviews
- 7,682
- Age
- 12y ago

GUNK Engine Cleaner Foamy Spray for Engines with Plastic Covers Expanding Foam Quickly Removes Grease Oil Dirt & Road Grime - Clings to Surfaces for Easy Rinse 17 oz (Case of 12)
- Price
- $66.88
- Rating
- 4.7/5
- Reviews
- 71
- Age
- 13y ago

Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon
- Price
- $11.32
- Rating
- 4.6/5
- Reviews
- 442
- Age
- 1y ago
Newest
by launch date
Gunk Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 6)
- Price
- $29.22
- Rating
- 4.6/5
- Reviews
- 203
- Age
- 10mo ago

Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon
- Price
- $11.32
- Rating
- 4.6/5
- Reviews
- 442
- Age
- 1y ago

Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.
- Price
- $6.32
- Rating
- 4.5/5
- Reviews
- 370
- Age
- 1y ago
![CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz [1 Pack]](https://m.media-amazon.com/images/I/416dTJDjowL.jpg)
CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz [1 Pack]
- Price
- $10.06
- Rating
- 4.6/5
- Reviews
- 470
- Age
- 2y ago

KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack
- Price
- $16.61
- Rating
- 4.5/5
- Reviews
- 560
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 falling
Sellers
103
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 100%
Open market
11%
- Chemical Guys31%
- Zep22%
- Gunk12%
- 3D9%
- WD-40 Specialist7%
- KRAKEN BOND7%
- Open — no brand owns it (3 brands, 11%)
Demand
Engine Cleaner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.8×
Search terms
Top Engine Cleaner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- engine degreaser174K/yr
- engine cleaner147K/yr
- engine bay cleaner64K/yr
- degreaser automotive55K/yr
- gunk engine degreaser41K/yr
- engine degreaser heavy duty40K/yr
- desengrasante para motor de carro34K/yr
- engine cleaner spray28K/yr
- car engine cleaner29K/yr
- industrial degreaser15K/yr
Reviews and returns
What reviews say buyers love and hate about Engine Cleaner
We read the reviews and the return reasons for every product selling here.
“This product does not work well”
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 Engine Cleaner 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









