Rust Inhibitor Spray
FailShoppers spend an estimated $44K a year here, so Rust Inhibitor Spray is a Fail.
- Flapen Score
- 41 / 100Ranks 5,810 of 7,287 Automotive niches · −8 vs the category median of 4941
- Market size
- $44K/yr58K searches / yr
- 90-day growth
- +8.5%search demand this quarter
- Competition
- 66%top-5 click share · 12 brands · 169 sellers
Flapen Score
Rust Inhibitor Spray against its category
The dotted line is the Automotive average. Past it, Rust Inhibitor Spray is stronger. Inside it, weaker.
Market
The Rust Inhibitor Spray market on Amazon at a glance
Shoppers on Amazon United States searched for Rust Inhibitor Spray 58K times last year and spent an estimated $44K. The top 5 brands take 86% of clicks. Demand peaks in Apr. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 3.0% of those searches ended in a purchase.
Shoppers searched for this 58K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.0% of those searches ended in a purchase. Searches in the last 90 days moved +8.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $44K a year.
- Searches, last 12 months
- 58K
- Growth, 90 days vs prior 90
- +8.5%
- Conversion, latest week
- 3.0%
- Market size, estimated
- $44Ka year
- Peak month
- April2.5× the quietest month
- Top search term
- rust inhibitor spray23K searches a year
02 · Price
A sale here is worth $24.61.
Listings sell for $24.61 on average, from $6.48 to $90.01. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At $24.61 that is $0 to $2K a year per listing.
- Average price
- $24.61inside the $15 to $100 sweet spot
- Price range
- $6.48–$90.01
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
76% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #93 within Finishing. It carries 5,669 reviews at 4.60 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 76%
- Prime listings
- 95%
- Out of stock, average day
- 0.3%
- Average rank
- #93in Finishing
- Average rating
- 4.60 starsAmazon United States average 4.42 stars
- Average reviews
- 5,669per listing
- Listings tracked
- 21
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 76 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
- 76 months
Products
Top Rust Inhibitor Spray 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 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Rust-Oleum 248658 Stops Rust Reformer Spray Paint 10.25 oz Matte Black
- Price
- $8.80
- Rating
- 4.7/5
- Reviews
- 11,246
- Age
- 16y ago

WD-40 Specialist Corrosion Inhibitor Long-Lasting Anti-Rust Spray 6.5 OZ
- Price
- $14.76
- Rating
- 4.7/5
- Reviews
- 2,667
- Age
- 14y ago

Rust-Oleum Stops Rust Corrosion Inhibitor Spray Clear AntiRust Coating for Metal LongLasting Moisture Barrier Indoor/Outdoor Waterproof Protection for Tools Automotive & Equipment 10.25 oz
- Price
- $11.64
- Rating
- 4.5/5
- Reviews
- 1,092
- Age
- 17y ago

BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication 12 oz.
- Price
- $20.50
- Rating
- 4.7/5
- Reviews
- 5,494
- Age
- 24y ago

STA-BIL Rust Stopper - Anti-Corrosion Spray and Antirust Lubricant - Prevents Car Rust Protects Battery Terminals Stops Existing Rust Rust Preventative Coating - 13 Oz (22003)
- Price
- $11.94
- Rating
- 4.5/5
- Reviews
- 2,633
- Age
- 9y ago
Trending
estimated 90-day click momentum
Evapo-Rust RB018 Rust-Block Water-Based Rust Inhibitor Corrosion Inhibitor 12 oz Aerosol Spray Gray
- Price
- $14.45
- Rating
- 4.6/5
- Reviews
- 133
- Age
- 9y ago

Rust-Oleum 224284-6PK Stops Rust Rust Inhibitor Spray 10.25 oz 6 Pack
- Price
- $38.79
- Rating
- 4.5/5
- Reviews
- 1,092
- Age
- 4y ago

Rust-Oleum 248658-3PK Rust Reformer Spray 10.25 oz Black 3 Pack
- Price
- $30.67
- Rating
- 4.6/5
- Reviews
- 1,045
- Age
- 5y ago

Rust-Oleum Stops Rust Reformer Spray Instantly Converts Rust to a Protected Paintable Surface No Bare Metal Sanding Required Black 10.25 oz
- Price
- $8.94
- Rating
- 4.7/5
- Reviews
- 2,595
- Age
- 17y ago

BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication 12 oz.
- Price
- $20.50
- Rating
- 4.7/5
- Reviews
- 5,494
- Age
- 24y ago
Newest
by launch date
Eastwood Rust Encapsulator Aerosol | Quick Drying with UV Resistance and Heat Resistance up to 400 Degrees Fahrenheit | 15 Oz Black | 2 Pack
- Price
- $59.90
- Rating
- 4.6/5
- Reviews
- 1,210
- Age
- 2y ago

Rust-Oleum 248657-6PK Stops Rust Undercoating Spray 15 oz Rubberized Black 6 Pack
- Price
- $34.53
- Rating
- 4.6/5
- Reviews
- 3,797
- Age
- 3y ago

Rust-Oleum 224284-6PK Stops Rust Rust Inhibitor Spray 10.25 oz 6 Pack
- Price
- $38.79
- Rating
- 4.5/5
- Reviews
- 1,092
- Age
- 4y ago

Rust-Oleum 248658-3PK Rust Reformer Spray 10.25 oz Black 3 Pack
- Price
- $30.67
- Rating
- 4.6/5
- Reviews
- 1,045
- Age
- 5y ago

AGS RUST SOLUTIONS Rust Stop Spray Paint for Metal 14oz Aerosol Can Matte Black Finish Epoxy-Fortified Corrosion Protection UV Resistant Withstands 300F No Sanding Required
- Price
- $20.27
- Rating
- 4.6/5
- Reviews
- 1,380
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
169
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 99%
Open market
11%
- Rust-Oleum48%
- WD-40 Specialist15%
- Boeshield11%
- STA-BIL7%
- AGS RUST SOLUTIONS5%
- CorrosionX3%
- Open — no brand owns it (6 brands, 11%)
Demand
Rust Inhibitor Spray search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr · busiest ÷ quietest = 2.5×
Search terms
Top Rust Inhibitor Spray search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rust inhibitor spray23K/yr
- anti rust coating for metal10K/yr
- rust prevention6K/yr
- rust preventer6K/yr
- stop rust spray for cars4K/yr
- car rust3K/yr
- anticorrosive2K/yr
- himba shield rust spray4K/yr
Reviews and returns
What reviews say buyers love and hate about Rust Inhibitor Spray
We read the reviews and the return reasons for every product selling here.
“was covered in rust”
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.
18 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 Rust Inhibitor Spray 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









