Fluid Film Undercoating Kit
MaybeAn estimated 0.1% of orders come back. But the top 5 brands take 100% of clicks, so Fluid Film Undercoating Kit is a Maybe.
- Flapen Score
- 58 / 100Top 14% of 7,287 Automotive niches · +9 vs the category median of 4958
- Market size
- $4.4M/yr794K searches / yr
- 90-day growth
- -5.2%search demand this quarter
- Competition
- 49%top-5 click share · 5 brands · 166 sellers
Flapen Score
Fluid Film Undercoating Kit against its category
The dotted line is the Automotive average. Past it, Fluid Film Undercoating Kit is stronger. Inside it, weaker.
Market
The Fluid Film Undercoating Kit market on Amazon at a glance
Shoppers on Amazon United States searched for Fluid Film Undercoating Kit 794K times last year and spent an estimated $4.4M. All 5 brands take every click. Demand peaks in Oct–Nov. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 11.1% of those searches ended in a purchase.
Shoppers searched for this 794K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.1% of those searches ended in a purchase. Searches in the last 90 days moved -5.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.4M a year.
- Searches, last 12 months
- 794K
- Growth, 90 days vs prior 90
- -5.2%
- Conversion, latest week
- 11.1%
- Market size, estimated
- $4.4Ma year
- Peak month
- November2.0× the quietest month
- Top search term
- fluid film448K searches a year
02 · Price
A sale here is worth $49.57.
Listings sell for $49.57 on average, from $8.44 to $201.07. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 2,500 to 3,000 of them. At $49.57 that is $124K to $149K a year per listing.
- Average price
- $49.57inside the $15 to $100 sweet spot
- Price range
- $8.44–$201.07
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 80K–100K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $124K–$149K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
87% of listings pay for placement with sponsored ads. 87% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #291 within Finishing. It carries 1,214 reviews at 4.65 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 87%
- Prime listings
- 87%
- Out of stock, average day
- 2.4%
- Average rank
- #291in Finishing
- Average rating
- 4.65 starsAmazon United States average 4.42 stars
- Average reviews
- 1,214per listing
- Listings tracked
- 30
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 82 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
- 82 months
Products
Top Fluid Film Undercoating Kit 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
Fluid Film Aerosol 11.75oz
- Price
- $10.01
- Rating
- 4.7/5
- Reviews
- 2,551
- Age
- 22y 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

Boeshield T-9 Aerosol Can (4 -Ounce) (122184) White
- Price
- $15.58
- Rating
- 4.7/5
- Reviews
- 3,767
- Age
- 19y ago

Fluid Film (3 Aerosol Cans) Rust & Corrosion Protection; Metal Surface Penetrant & Lubricant Marine Automotive Industrial Home 11.75 Oz
- Price
- $35.53
- Rating
- 4.8/5
- Reviews
- 2,736
- Age
- 13y ago

CorrosionX Rust Inhibitor Industrial-Strength Dielectric Corrosion Prevention Lubricant & Penetrant for Marine Automotive Electronics & RV Use Protects Bolts Cables Engines Parts 6oz Aerosol
- Price
- $17.66
- Rating
- 4.5/5
- Reviews
- 866
- Age
- 22y ago
Trending
estimated 90-day click momentum
CorrosionX Rust Inhibitor Industrial-Strength Dielectric Corrosion Prevention Lubricant & Penetrant for Marine Automotive Electronics & RV Use Protects Bolts Cables Engines Parts 6oz Aerosol
- Price
- $17.66
- Rating
- 4.5/5
- Reviews
- 866
- Age
- 22y ago

Fluid Film Black (3 Aerosol Cans) with DU-Most 2 Extension Hose & Nozzle Long Lasting Corrosion Prevention Penetrant & Lubricant Marine Automotive & Snow-Handling Vehicles Undercoating 11.75 Oz
- Price
- $52.15
- Rating
- 4.6/5
- Reviews
- 134
- Age
- 2y ago

Fluid Film (3 Aerosol Cans) Rust & Corrosion Protection; Metal Surface Penetrant & Lubricant Marine Automotive Industrial Home 11.75 Oz
- Price
- $35.53
- Rating
- 4.8/5
- Reviews
- 2,736
- Age
- 13y ago

Boeshield T-9 Bicycle Chain Waterproof Lubricant and Rust Protection 4 oz Liquid Original Version (122183) White
- Price
- $12.72
- Rating
- 4.7/5
- Reviews
- 3,767
- Age
- 22y 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
Fluid Film 11.75 oz Rust and Corrosion Inhibitor Spray Black 3 Pack Spray Can Extension Wand Can-Gun1 Premium Can Tool Aerosol Spray
- Price
- $46.47
- Rating
- 4.6/5
- Reviews
- 133
- Age
- 1y ago

Fluid Film 11.75 oz Rust and Corrosion Inhibitor Black 6 Pack Spray Can Extension Wand Can-Gun1 Premium Tool Aerosol Spray
- Price
- $87.09
- Rating
- 4.7/5
- Reviews
- 103
- Age
- 1y ago

Fluid Film 11.75 oz Corrosion & Rust Protection Spray 3 Pack Spray Can Extension Wand Can-Gun1 Premium Can Tool Aerosol Spray
- Price
- $44.11
- Rating
- 4.4/5
- Reviews
- 69
- Age
- 1y ago

Fluid Film 11.75 oz Penetrating Oil Spray 6 Pack Spray Can Extension Wand Can-Gun1 Premium Can Tool Aerosol Spray FLAS11RD
- Price
- $74.38
- Rating
- 4.5/5
- Reviews
- 78
- Age
- 1y ago

Fluid Film Rust & Corrosion Protection Aerosol Spray with a DU-Most 24 Extension Hose & Nozzle Metal Surface Penetrant & Lubricant for Marine/Automotive/Industrial/Home 11.75 Oz (Pack of 4)
- Price
- $56.64
- Rating
- 4.6/5
- Reviews
- 82
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 49% of clicks. Leaders hold, but buyers still shop past them.
Brands
5 flat
Sellers
166
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
49%
Top 20: 90%
Open market
0%
- Fluid Film56%
- Boeshield28%
- CorrosionX11%
- CRC3%
- WD-40 Specialist2%
Demand
Fluid Film Undercoating Kit search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 2.0×
Search terms
Top Fluid Film Undercoating Kit search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fluid film448K/yr
- boeshield t-964K/yr
- corrosion x46K/yr
- fluid film spray33K/yr
- corrosion x spray24K/yr
- t9 lubricant spray can25K/yr
- boeshield t-9 rust & corrosion protection15K/yr
- fluid film undercoating33K/yr
- corrosion inhibitor15K/yr
- anti corrosion spray14K/yr
Reviews and returns
What reviews say buyers love and hate about Fluid Film Undercoating Kit
We read the reviews and the return reasons for every product selling here.
“rust thru the deck”
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.
20 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 Fluid Film Undercoating Kit 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









