Skip to content

fluid film undercoating kit

Launch it64/100

fluid film undercoating kit clears our launch bar: a $4.4M/yr market growing +154.0% with returns at 0.1%.

Market/yr

$4.4M

Growth (1y)

+154.0%

Products

30

Brands

5

was 5 a year ago

Sellers

166

Price range

$8.44–$201.07

Returns

0.1%

Rating

4.7★

64/100

Launch it

Scored 64/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
60
×0.30
Growth
71
×0.30
Competition
61
×0.20
Quality gap
25
×0.10
Returns
99
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +154.0% year over year.
23K12KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Oct, Nov · busiest ÷ quietest = 2.0×

Competition

56%Fluid Film
  • Fluid Film56%
  • Boeshield28%
  • CorrosionX11%
  • CRC3%
  • WD-40 Specialist2%

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them. 5 brands and 166 sellers compete here.

Brands

5 flat

was 5 a year ago

Sellers

166

Top 5 brand share

100%

#ProductBrandPriceRatingReviewsClick shareTrend
1Fluid Film$10.014.7★2,55118%falling
3Boeshield$15.584.7★3,7676%rising

Product shelf

All 30 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Rusts/Corrodes24%

“Rust prevention”

Quality-Overall19%

“Good name and consistent product”

Advertised Vs Actual Product8%

“As advertised”

Value For Money7%

“Worth the money”

Spray/Flow6%

“Sprays on well with spray gun found here on Amazon”

Durability5%

“Economical and durable”

Efficiency4%

“a very effective productive product I learned about in Sail Magazine”

Ease Of Use4%

“easy use”

Drop/Impact Protection3%

“saw how well it protected”

Ease Of Cleaning1%

“The cleaner does its job”

What buyers complain about

Rusts/Corrodes20%

“rust thru the deck”

Spray/Flow16%

“Can wont spray”

Value For Money7%

“it is pretty expensive”

Size-Overall6%

“it did not fit well on the cans”

Smell5%

“Also had a weird smell to it”

Ease Of Cleaning4%

“A real mess”

Functionality-Overall3%

“Did not work for me”

Jamming/Clogging2%

“the drop wise applicator constantly clogs”

Quality-Overall2%

“Junk”

Color2%

“The black die is unnecessary and only causes a mess and stains clothing”

Top return reasons

  • Leak-Proof31%
  • Functionality-Overall13%
  • Color10%
  • Defective Material/Parts8%
  • Value For Money6%
  • Advertised Vs Actual Product6%
  • Thickness5%
  • Ease Of Use3%
  • Material Quality3%
  • Product Condition3%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.79 median price · 2.2% median returns across 14,944 tracked niches.