---
title: "Plastic Body Filler — $135K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/plastic-body-filler"
last_updated: "2026-08-10T10:40:27.223Z"
locale: en
meta:
  description: "Niche score 53/100 · $135K/yr market · 81K searches/yr. Brand-locked demand (top 5 brands take 88% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $135K/yr market · 81K searches/yr. Brand-locked demand (top 5 brands take 88% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Plastic Body Filler — $135K/yr Amazon US Niche (2026) - Flapen"
---

# **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**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$38.57**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****955.37**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****48%**

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**

**Good****4.3%**

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

**Quality gap**

**Good****4.5★**

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**

**Okay****88%**

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 ~~](https://flapen.com/research/methodology)

## **plastic body filler market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$154K–$193K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#109**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**76%**</dd>

<dt>**Sponsored**</dt><dd>**71%**</dd>

<dt>**Out of stock**</dt><dd>**2.3%**</dd>

<dt>**Avg brand age**</dt><dd>**69 months**</dd>

<dt>**Avg seller age**</dt><dd>**170 days**</dd>

</dl>

## **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

[**Open Trend **](https://flapen.com/research/us/automotive/plastic-body-filler/trend)

## **Top plastic body filler search terms**

- **evercoat body filler**30K/yr+9.7%4.5% conv. - **plastic body filler**12K/yr+0.9%3.3% conv. - **evercoat**9K/yr+17.2%1.6% conv. - **lightweight body filler**6K/yr+12.9%4.9% conv. - **evercoat rage gold**5K/yr+17.3%6.7% conv. - **rage body filler**4K/yr+8.9%3.3% conv. - **auto body putty**4K/yr+33.8%5.1% conv. - **light weight body filler**3K/yr+11.0%4.8% conv. - **rage gold body filler**3K/yr-0.5%6.3% conv. - **evercoat rage**3K/yr+2.7%4.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/plastic-body-filler/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Evercoat Rage Gold Body Filler for Fiberglass Aluminum & More - Stain-Resistant Filler - 128 Fl Oz](https://m.media-amazon.com/images/I/41j9PcqS-rL.jpg)**Evercoat Rage Gold Body Filler for Fiberglass Aluminum & More - Stain-Resistant Filler - 128 Fl Oz**Evercoat**$81.16**4.6★435 rev](https://www.amazon.com/dp/B000P6URMA) [2![Evercoat Rage Ultra - Sanding Body Filler for Steel Fiberglass Aluminum and More - 128 Fl Oz](https://m.media-amazon.com/images/I/41DJXQlbjSL.jpg)**Evercoat Rage Ultra - Sanding Body Filler for Steel Fiberglass Aluminum and More - 128 Fl Oz**Evercoat**$82.84**4.4★529 rev](https://www.amazon.com/dp/B00AAKFUCI) [3![Evercoat Lite Weight Body Filler - Clog-Free Body Filler for Aluminum Fiberglass & More - 128 Fl Oz](https://m.media-amazon.com/images/I/51T1JF92LIL.jpg)**Evercoat Lite Weight Body Filler - Clog-Free Body Filler for Aluminum Fiberglass & More - 128 Fl Oz**Evercoat**$40.60**4.4★1,292 rev](https://www.amazon.com/dp/B000P70USU) [4![Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.](https://m.media-amazon.com/images/I/41wYB8pellL.jpg)**Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.**EVERCOAT Body Shop**$18.88**4.6★174 rev](https://www.amazon.com/dp/B0DYPDHWGJ) [5![Evercoat Body Shop 105005 Pro-Grade Gold Filler Sands up to 50% Faster Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.](https://m.media-amazon.com/images/I/41KojDdaENL.jpg)**Evercoat Body Shop 105005 Pro-Grade Gold Filler Sands up to 50% Faster Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.**EVERCOAT Body Shop**$16.24**4.3★130 rev](https://www.amazon.com/dp/B0DYPCV9X9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.](https://m.media-amazon.com/images/I/41wYB8pellL.jpg)**Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.**EVERCOAT Body Shop**$18.88**174 rev1y ago](https://www.amazon.com/dp/B0DYPDHWGJ) [![Evercoat Body Shop 105005 Pro-Grade Gold Filler Sands up to 50% Faster Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.](https://m.media-amazon.com/images/I/41KojDdaENL.jpg)**Evercoat Body Shop 105005 Pro-Grade Gold Filler Sands up to 50% Faster Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.**EVERCOAT Body Shop**$16.24**130 rev1y ago](https://www.amazon.com/dp/B0DYPCV9X9) [![Evercoat Body Shop 105000 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 0.8 Gal](https://m.media-amazon.com/images/I/413xgmeIkmL.jpg)**Evercoat Body Shop 105000 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 0.8 Gal**EVERCOAT Body Shop**$35.45**174 rev1y ago](https://www.amazon.com/dp/B0DYPGVQTJ) [![Evercoat Body Shop 105002 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.](https://m.media-amazon.com/images/I/41wUQv7jzgL.jpg)**Evercoat Body Shop 105002 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.**EVERCOAT Body Shop**$14.61**174 rev1y ago](https://www.amazon.com/dp/B0DYPFHGJV) [![Calvana (2 Pack) 20g Car Body Filler Repair Kit Automotive Putty Scratch Filler Quick-Drying Formula for Minor Touch-ups Ideal for Car Paint Scratch Removal and Rust Includes Repair Tools](https://m.media-amazon.com/images/I/412XcW3xpkL.jpg)**Calvana (2 Pack) 20g Car Body Filler Repair Kit Automotive Putty Scratch Filler Quick-Drying Formula for Minor Touch-ups Ideal for Car Paint Scratch Removal and Rust Includes Repair Tools**Calvana**$13.36**205 rev1y ago](https://www.amazon.com/dp/B0DXDXMKJ3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Bondo Glazing and Spot Putty Fills Pinholes Scratches Minor Dings & Hairline Cracks 4.5 oz 1 Tube](https://m.media-amazon.com/images/I/41GIxtsOStL.jpg)**Bondo Glazing and Spot Putty Fills Pinholes Scratches Minor Dings & Hairline Cracks 4.5 oz 1 Tube**3M**$6.06**4.6★**▲ 194%**](https://www.amazon.com/dp/B0002JM8PY) [![Evercoat Body Shop 105002 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.](https://m.media-amazon.com/images/I/41wUQv7jzgL.jpg)**Evercoat Body Shop 105002 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 13 Fl Oz.**EVERCOAT Body Shop**$14.61**4.6★**▲ 100%**](https://www.amazon.com/dp/B0DYPFHGJV) [![High Teck 77062-1 Lightweight Body Filler 1 gal Gray Paste 1.46 lb/gal VOC](https://m.media-amazon.com/images/I/41CvPJcrP6L.jpg)**High Teck 77062-1 Lightweight Body Filler 1 gal Gray Paste 1.46 lb/gal VOC**High Teck**$29.47**4.6★**▲ 84%**](https://www.amazon.com/dp/B0BLJ7J8YF) [![Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.](https://m.media-amazon.com/images/I/41wYB8pellL.jpg)**Evercoat Body Shop 105001 Pro-Grade Body Filler Fast Drying and Lightweight Multipurpose for Dents in Aluminum Fiberglass & More Easy Mix Hardener Included 26 Fl Oz.**EVERCOAT Body Shop**$18.88**4.6★**▲ 63%**](https://www.amazon.com/dp/B0DYPDHWGJ) [![Bondo Body Filler Original Formula for Fast Easy Repair & Restoration of your Vehicle 00261 Filler 14 oz and 0.5 oz Hardener 1 Can](https://m.media-amazon.com/images/I/414vsVo1p9L.jpg)**Bondo Body Filler Original Formula for Fast Easy Repair & Restoration of your Vehicle 00261 Filler 14 oz and 0.5 oz Hardener 1 Can**3M**$13.53**4.6★**▲ 20%**](https://www.amazon.com/dp/B0007ZG9TO)

**~~View all trending →~~**

## **What buyers say about plastic body filler**

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

### **What buyers love **

**Adhesion/Stickiness**16%

*“Stick on great”*

**Quality-Overall**12%

*“Good product as i expected”*

**Ease Of Use**11%

*“Its easy to apply”*

**Value For Money**10%

*“Great Value”*

**Advertised Vs Actual Product**8%

*“Just what I needed”*

**Efficiency**8%

*“it seems effective”*

**Maintenance And Repair**5%

*“Very good for my small repairs”*

**Strength**5%

*“it holds strong”*

**Functionality-Overall**3%

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

**Material Quality**2%

*“Good quality material for the metal clips”*

### **What buyers complain about **

**Adhesion/Stickiness**18%

*“really poor adhesion”*

**Functionality-Overall**12%

*“Doesn't work well”*

**Durability**6%

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

**Size-Overall**6%

*“The bottle feels tiny”*

**Quality-Overall**5%

*“bad quality”*

**Value For Money**4%

*“Too Expensive”*

**Maintenance And Repair**3%

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

**Leak-Proof**3%

*“Bottle Leaked During Shipping”*

**Advertised Vs Actual Product**3%

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

**Strength**3%

*“could be stronger”*

### **Top return reasons **

**Adhesion/Stickiness**17%

**Functionality-Overall**17%

**Defective Material/Parts**10%

**Heating**9%

**Value For Money**6%

**Advertised Vs Actual Product**6%

**Color**5%

**Material Quality**5%

**Size-Overall**4%

**Maintenance And Repair**3%

## **Common questions**

<dl>

<dt>**Is plastic body filler profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the plastic body filler niche?**</dt><dd>14 brands and 139 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 88% of demand.</dd>

<dt>**What do buyers complain about in plastic body filler?**</dt><dd>Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Durability. The return rate is 0.5%.</dd>

<dt>**What does it cost to enter the plastic body filler niche?**</dt><dd>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.</dd>

</dl>

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