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53

plastic body filler

Worth a look

Shows low returns (0.5%), but brand-locked demand (top 5 brands take 88% of clicks) keeps it on the watch list.

Market size 30Growth 37Conversion 53Competition 61Returns 98Price range 59Avg price 95Brand share 28Review moat 64Quality gap 50

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Incredible$38.57

avg listing price — sweet spot $15–$100

Review moat

Good955.37

avg incumbent reviews — the moat a new listing must climb

Competition

Good48%

top-5 click share — leaders hold, buyers still browse

Price range

Good$6.06–$150.85

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good4.3%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+9.9%

90-day search growth — must beat 0% to launch

Market size

Okay$135K

$135K/yr · 81K searches

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

According to Flapen's Amazon United States niche tracking, plastic body filler is a $135K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

plastic body filler market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
$154K–$193K
units × avg price
Conversion rate
4.3%
Avg BSR
#109
Page quality
0%
Prime
76%
Sponsored
71%
Out of stock
2.3%
Avg brand age
69 months
Avg seller age
170 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

139

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

48%

Top 20: 79%

Open market

9%

  • Evercoat53%
  • EVERCOAT Body Shop21%
  • 3M6%
  • Roberlo5%
  • J-B Weld3%
  • U.S. Chemical & Plastics2%
  • Open — no brand owns it (8 brands, 9%)

Demand

Weekly Amazon search volume, last 10 weeks — +9.9% search growth over the last 90 days.
4K3KSpike '26May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

Top plastic body filler search terms

  • evercoat body filler30K/yr
  • plastic body filler12K/yr
  • evercoat9K/yr
  • lightweight body filler6K/yr
  • evercoat rage gold5K/yr
  • rage body filler4K/yr
  • auto body putty4K/yr
  • light weight body filler3K/yr
  • rage gold body filler3K/yr
  • evercoat rage3K/yr
All search terms

Top plastic body filler products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$4K6%$8K9%$12K12%$16K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about plastic body filler

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

What buyers love

Adhesion/Stickiness16%

“Stick on great”

Quality-Overall12%

“Good product as i expected”

Ease Of Use11%

“Its easy to apply”

Value For Money10%

“Great Value”

Advertised Vs Actual Product8%

“Just what I needed”

Efficiency8%

“it seems effective”

Maintenance And Repair5%

“Very good for my small repairs”

Strength5%

“it holds strong”

Functionality-Overall3%

“It did do the job for what I bought it for”

Material Quality2%

“Good quality material for the metal clips”

What buyers complain about

Adhesion/Stickiness18%

“really poor adhesion”

Functionality-Overall12%

“Doesn't work well”

Durability6%

“It broke as soon as I put any pressure on it”

Size-Overall6%

“The bottle feels tiny”

Quality-Overall5%

“bad quality”

Value For Money4%

“Too Expensive”

Maintenance And Repair3%

“it just all kinds of things you never think about fixing”

Leak-Proof3%

“Bottle Leaked During Shipping”

Advertised Vs Actual Product3%

“The description in not as clear as I wouldve liked”

Strength3%

“could be stronger”

Top return reasons

Adhesion/Stickiness17%
Functionality-Overall17%
Defective Material/Parts10%
Heating9%
Value For Money6%
Advertised Vs Actual Product6%
Color5%
Material Quality5%
Size-Overall4%
Maintenance And Repair3%

Common questions

Is plastic body filler profitable to sell on Amazon United States?
The niche generates $135K/yr across 41 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +9.9%. Flapen's verdict: Worth a look (53/100).
How competitive is the plastic body filler niche?
14 brands and 139 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in plastic body filler?
Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Durability. The return rate is 0.5%.
What does it cost to enter the plastic body filler niche?
Listings span $6.06–$150.85; the average listing price is $38.57 (sweet spot $15–$100). The average incumbent carries 955 reviews — the moat a new listing must climb.