---
title: "Sem Trim Black — $428K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/sem-trim-black"
last_updated: "2026-08-09T13:46:19.216Z"
locale: en
meta:
description: "Niche score 52/100 · $428K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $428K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sem Trim Black — $428K/yr Amazon US Niche (2026) - Flapen"
---
# **sem trim black**
**Worth a look**
Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 57Growth 59Conversion 75Competition 16Returns 99Price range 89Avg price 95Brand share 0Review moat 63Quality gap 22
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$39.23**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.62–$97.63**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****994.5**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+34.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$428K**
$428K/yr · 155K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sem trim black is a $428K/yr Amazon United States market (155K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar. Verdict: Worth a look — 52/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sem trim black market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$490K–$588K**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#57**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**90**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**0%**
- SEM79% - Rust-Oleum13% - Dupli-Color3% - LAUCO2% - ExoForma2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +34.5% search growth over the last 90 days.
4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/automotive/sem-trim-black/trend)
## **Top sem trim black search terms**
- **sem trim black**56K/yr+43.7%7.7% conv. - **sem black trim paint**13K/yr+24.0%4.8% conv. - **trim black spray paint**16K/yr+15.5%5.4% conv. - **black trim paint**14K/yr+16.8%3.1% conv. - **trim black**11K/yr+19.0%4.4% conv. - **bumper paint**10K/yr+32.5%2.0% conv. - **trim and bumper paint**7K/yr+55.3%4.4% conv. - **sem trim black 39143**6K/yr+81.6%10.8% conv. - **sem trim paint**6K/yr+31.8%4.2% conv. - **car trim paint**5K/yr+42.6%2.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/sem-trim-black/search-terms)
## **Top sem trim black 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%10%$43K20%$86K30%$129K40%$171K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SEM 39143 Trim Black Aerosol (2)**SEM**$35.66**4.7★1,171 rev](https://www.amazon.com/dp/B073T7FQ23) [2**SEM 49143 Trim Black Ultra Black Spray Paint with Satin Finish| Designed for Plastic Aluminum Steel and Stainless Steel 14.5 oz. Automotive Aerosol Paint Can**SEM**$21.68**4.7★420 rev](https://www.amazon.com/dp/B07NDM9SPB) [3**Rust-Oleum 251574 Automotive Trim & Bumper Spray Paint 11 oz Black**Rust-Oleum**$8.62**4.7★2,719 rev](https://www.amazon.com/dp/B005H5P5C6) [4**SEM 39143 Trim Black Aerosol - 15 oz.**SEM**$20.02**4.8★969 rev](https://www.amazon.com/dp/B000EM019O) [5**SEM 39143 Trim Black Aerosol (6)**SEM**$85.96**4.8★99 rev](https://www.amazon.com/dp/B07ZG4Z8PP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ExoForma Black Trim Restorer - Lasts 6+ Months Dye Infused Waterproof Plastic Restorer for Cars - Perfect for Faded Bumpers Trim & Vinyl on Jeeps Truck Beds Avalanches & ATVs | 4oz Kit**ExoForma**$20.19**4,794 rev1y ago](https://www.amazon.com/dp/B0FD48DNXN) [**LAUCO Trim Black Matte 13 oz. Automotive Spray Paint Can with Gun - Pack of 12 - Black Car Spray Paint with Matte Finish - Designed for Plastic Aluminum Steel and Stainless Steel- 57071**LAUCO**$97.63**124 rev1y ago](https://www.amazon.com/dp/B0D96Y9Y6B) [**SEM 39143 Trim Black Aerosol (6)**SEM**$85.96**99 rev6y ago](https://www.amazon.com/dp/B07ZG4Z8PP) [**SEM 39143 Trim Black Aerosol (2)**SEM**$35.66**1,171 rev6y ago](https://www.amazon.com/dp/B073T7FQ23) [**SEM 39143 Trim Black Aerosol (4)**SEM**$62.67**124 rev6y ago](https://www.amazon.com/dp/B07ZG5KJQH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SEM 49153 Trim Black Ultra Black Spray Paint with Gloss Finish| Designed for Plastic Aluminum Steel and Stainless Steel 14.5 oz. Automotive Aerosol Paint Can**SEM**$23.45**4.6★**▲ 117%**](https://www.amazon.com/dp/B07NDKHR5T) [**ExoForma Black Trim Restorer - Lasts 6+ Months Dye Infused Waterproof Plastic Restorer for Cars - Perfect for Faded Bumpers Trim & Vinyl on Jeeps Truck Beds Avalanches & ATVs | 4oz Kit**ExoForma**$20.19**4.4★**▲ 117%**](https://www.amazon.com/dp/B0FD48DNXN) [**LAUCO Trim Black Matte 13 oz. Automotive Spray Paint Can with Gun - Pack of 12 - Black Car Spray Paint with Matte Finish - Designed for Plastic Aluminum Steel and Stainless Steel- 57071**LAUCO**$97.63**4.5★**▲ 108%**](https://www.amazon.com/dp/B0D96Y9Y6B) [**SEM 39144 Trim Black Aerosol - 1 Quart**SEM**$57.90**4.7★**▲ 20%**](https://www.amazon.com/dp/B000PL25AC) [**SEM 49143 Trim Black Ultra Black Spray Paint with Satin Finish| Designed for Plastic Aluminum Steel and Stainless Steel 14.5 oz. Automotive Aerosol Paint Can**SEM**$21.68**4.7★**▲ 10%**](https://www.amazon.com/dp/B07NDM9SPB)
**~~View all trending →~~**
## **What buyers say about sem trim black**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“If you get a good fresh can--it is a very nice product”*
**Paint Quality**12%
*“Excellent Paint”*
**Efficiency**10%
*“Very effective”*
**Color**9%
*“Really nice color good stuff”*
**Product Condition**7%
*“it looked brand new”*
**Ease Of Use**7%
*“Easy to use”*
**Value For Money**6%
*“Great price”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Durability**4%
*“seems really durable”*
**Adhesion/Stickiness**2%
*“It dries quickly and adheres well, making the process easier”*
### **What buyers complain about **
**Color**14%
*“more like a dark gray instead of a deep matte black”*
**Functionality-Overall**14%
*“Did not work like stated”*
**Paint Quality**13%
*“Spray paint”*
**Quality-Overall**9%
*“Garbage”*
**Value For Money**7%
*“is slightly overpriced”*
**Durability**4%
*“I don't know how long it holds up”*
**Smell**4%
*“It smells like those green stuff they wrap sushi in”*
**Spray/Flow**3%
*“the spray was not smooth and consistent,”*
**Water Resistance**3%
*“when it rained the next day it came off”*
**Instructions/User Manual/Troubleshooting**3%
*“Followed the directions and it did absolutely nothing”*
### **Top return reasons **
**Functionality-Overall**34%
**Advertised Vs Actual Product**21%
**Size-Overall**7%
**Leak-Proof**6%
**Defective Material/Parts**5%
**Value For Money**5%
**Color**4%
**Product Condition**3%
**Material Quality**2%
**Paint Quality**2%
## **Common questions**
- **Is sem trim black profitable to sell on Amazon United States?**
- The niche generates $428K/yr across 12 tracked products. 90-day search growth is +34.5%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the sem trim black niche?**
- 5 brands and 90 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in sem trim black?**
- Top complaints mined from reviews: Color, Functionality-Overall, Paint Quality. The return rate is 0.3%.
- **When does demand for sem trim black peak?**
- Demand peaks in Mar; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the sem trim black niche?**
- Listings span $8.62–$97.63; the average listing price is $39.23 (sweet spot $15–$100). The average incumbent carries 995 reviews — the moat a new listing must climb.
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