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57

third brake light

Worth a look

Shows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 62Growth 14Conversion 27Competition 96Returns 49Price range 49Avg price 95Brand share 67Review moat 59Quality gap 63

Competition

Incredible16%

top-5 click share — an open shelf

Avg price

Incredible$28.27

avg listing price — sweet spot $15–$100

Brand share

Good65%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$554K

$554K/yr · 916K searches

Review moat

Good1,120.89

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.1%

return rate — above 5% kills the launch gate

Price range

Okay$7.95–$180.84

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

Conversion

Okay2.1%

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

Growth

Bad-21.0%

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

According to Flapen's Amazon United States niche tracking, third brake light is a $554K/yr Amazon United States market (916K searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

third brake light market data

Units sold / yr
15K–20K
avg 100–250/product
Revenue / yr
$424K–$565K
units × avg price
Conversion rate
2.1%
Avg BSR
#142
Page quality
0%
Prime
97%
Sponsored
92%
Out of stock
0.2%
Avg brand age
42 months
Avg seller age
165 days

Competition & brand share

Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.

Brands

40 falling

Sellers

83

Top-5 brand share

65%

Top 20: 90%

Top-5 click share

16%

Top 20: 41%

Open market

32%

  • Tresound26%
  • Nilight18%
  • Cxdar9%
  • Partsam6%
  • PIT666%
  • DNA MOTORING3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.0% search growth over the last 90 days.
20K15KSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top third brake light search terms

  • third brake light299K/yr
  • 3rd brake light275K/yr
  • 3rd brake light assembly34K/yr
  • third brake light assembly59K/yr
  • tercera luz de freno trasero26K/yr
  • led 3rd brake light21K/yr
  • led third brake light22K/yr
  • 3rd break light16K/yr
  • high mount brake light17K/yr
  • cargo light21K/yr
All search terms

Top third brake light 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%2%$11K4%$22K6%$33K8%$44K1101001K10K 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 third brake light

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

What buyers love

Size-Overall23%

“Fit like a glove”

Brightness/Shine/Glow22%

“Extremely Bright”

Assembly/Installation13%

“Easy install”

Quality-Overall11%

“Build quality is great”

Value For Money5%

“Worth it”

Efficiency3%

“Light works great”

Advertised Vs Actual Product3%

“Product is as advertised”

Design-Overall2%

“Makes the truck so much nicer”

Ease Of Use1%

“easy enough”

Leak-Proof1%

“hasnt leaked any”

What buyers complain about

Size-Overall16%

“Didn't fit”

Compatibility-Overall10%

“Does not work on truck”

Quality-Overall9%

“poor quality gasket”

Leak-Proof7%

“leaks water”

Functionality-Overall6%

“Not working properly”

Durability6%

“Will not last”

Brightness/Shine/Glow6%

“Not bright enough”

Socket/Port/Plug3%

“Plug will not fit”

Water Resistance3%

“NOT WATERPROOF as described”

Assembly/Installation2%

“Hard install”

Top return reasons

Size-Overall38%
Compatibility-Overall16%
Functionality-Overall8%
Defective Material/Parts6%
Brightness/Shine/Glow5%
Advertised Vs Actual Product5%
Socket/Port/Plug3%
Connectivity-Overall3%
Assembly/Installation2%
Color2%

Common questions

Is third brake light profitable to sell on Amazon United States?
The niche generates $554K/yr across 110 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -21.0%. Flapen's verdict: Worth a look (57/100).
How competitive is the third brake light niche?
40 brands and 83 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in third brake light?
Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Quality-Overall. The return rate is 3.1%.
When does demand for third brake light peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the third brake light niche?
Listings span $7.95–$180.84; the average listing price is $28.27 (sweet spot $15–$100). The average incumbent carries 1,121 reviews — the moat a new listing must climb.