Skip to content

P21w Bulb

Fail

The top 5 brands take 92% of clicks, so P21w Bulb is a Fail.

Flapen Score
39
39 / 100
Ranks 6,186 of 7,287 Automotive niches · −10 vs the category median of 49
Market size
$83K/yr39K searches / yr
90-day growth
+0.9%search demand this quarter
Competition
75%top-5 click share · 10 brands · 79 sellers

Flapen Score

P21w Bulb against its category

The dotted line is the Automotive average. Past it, P21w Bulb is stronger. Inside it, weaker.

39Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The P21w Bulb market on Amazon at a glance

Shoppers on Amazon United States searched for P21w Bulb 39K times last year and spent an estimated $83K. The top 5 brands take 92% of clicks. Flapen scores it 39 out of 100, a Fail.

01 · Demand

An estimated 12.9% of those searches ended in a purchase.

Shoppers searched for this 39K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.9% of those searches ended in a purchase. Searches in the last 90 days moved +0.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $83K a year.

Searches, last 12 months
39K
Growth, 90 days vs prior 90
+0.9%
Conversion, latest week
12.9%
Market size, estimated
$83Ka year
Peak month
March1.5× the quietest month
Top search term
7506 bulb24K searches a year

02 · Price

A sale here is worth $16.39.

Listings sell for $16.39 on average, from $5.75 to $98.78. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 250 to 500 of them. At $16.39 that is $4K to $8K a year per listing.

Average price
$16.39inside the $15 to $100 sweet spot
Price range
$5.75–$98.78
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
5K–6K
Units per listing a year
250–500
Revenue per listing a year
$4K–$8K
Returns
3.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #356 within Lights, Bulbs & Indicators. It carries 5,531 reviews at 4.55 stars, so a new listing needs social proof before a better product.

Sponsored listings
80%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#356in Lights, Bulbs & Indicators
Average rating
4.55 starsAmazon United States average 4.42 stars
Average reviews
5,531per listing
Listings tracked
15

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 56 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
56 months

Products

Top P21w Bulb products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 75% of clicks. A locked shelf that new listings rarely crack.

Brands

10 rising

Sellers

79

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

6%

  • Brand 148%
  • Brand 221%
  • Brand 317%
  • Brand 43%
  • Brand 53%
  • Brand 62%
  • Open — no brand owns it (4 brands, 6%)

Demand

P21w Bulb search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K750Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top P21w Bulb search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 7506 bulb24K/yr
  • 7506 brake light bulb7K/yr
  • sylvania 75064K/yr
  • 75064K/yr

Reviews and returns

What reviews say buyers love and hate about P21w Bulb

We read the reviews and the return reasons for every product selling here.

21%of positive reviews mention “Audio Quality”
10%of negative reviews mention “Size-Overall”
3.1%of orders come back
“But the tight fit is a bummer”
A buyer, on “Size-Overall”10% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common P21w Bulb questions

Answered from the same tracked data.