Third Brake Light Bulb
FailShoppers spend an estimated $92K a year here, so Third Brake Light Bulb is a Fail.
- Flapen Score
- 37 / 100Ranks 6,498 of 7,287 Automotive niches · −12 vs the category median of 4937
- Market size
- $92K/yr87K searches / yr
- 90-day growth
- -2.9%search demand this quarter
- Competition
- 63%top-5 click share · 12 brands · 50 sellers
Flapen Score
Third Brake Light Bulb against its category
The dotted line is the Automotive average. Past it, Third Brake Light Bulb is stronger. Inside it, weaker.
Market
The Third Brake Light Bulb market on Amazon at a glance
Shoppers on Amazon United States searched for Third Brake Light Bulb 87K times last year and spent an estimated $92K. The top 5 brands take 82% of clicks. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 9.9% of those searches ended in a purchase.
Shoppers searched for this 87K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.9% of those searches ended in a purchase. Searches in the last 90 days moved -2.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $92K a year.
- Searches, last 12 months
- 87K
- Growth, 90 days vs prior 90
- -2.9%
- Conversion, latest week
- 9.9%
- Market size, estimated
- $92Ka year
- Peak month
- September1.2× the quietest month
- Top search term
- 7440 bulb41K searches a year
02 · Price
A sale here is worth $10.64.
Listings sell for $10.64 on average, from $6.89 to $21.16. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At $10.64 that is $3K to $5K a year per listing.
- Average price
- $10.64under the $15 to $100 sweet spot
- Price range
- $6.89–$21.16
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$5K
- Returns
- 5.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
63% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #123 within Lights, Bulbs & Indicators. It carries 6,883 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 63%
- Prime listings
- 100%
- Out of stock, average day
- 0.3%
- Average rank
- #123in Lights, Bulbs & Indicators
- Average rating
- 4.51 starsAmazon United States average 4.42 stars
- Average reviews
- 6,883per listing
- Listings tracked
- 19
04 · Newcomers
1 of last year's 4 launches cleared the first-year sales bar.
4 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 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top Third Brake Light Bulb products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SYLVANIA - 7440 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
- Price
- $11.62
- Rating
- 4.5/5
- Reviews
- 490
- Age
- 15y ago

ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack
- Price
- $6.98
- Rating
- 4.4/5
- Reviews
- 38
- Age
- 12mo ago

SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
- Price
- $7.43
- Rating
- 4.6/5
- Reviews
- 299
- Age
- 9y ago

SYLVANIA 7440 Long Life Miniature Bulb (Contains 2 Bulbs)
- Price
- $7.62
- Rating
- 4.6/5
- Reviews
- 308
- Age
- 20y ago

SYLVANIA - 7443 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
- Price
- $7.36
- Rating
- 4.7/5
- Reviews
- 7,629
- Age
- 16y ago
Trending
estimated 90-day click momentum
iFunyLED 10 PCS 7440 Bulb Replacement Light Kit Set for Car Daytime Running Reverse Backup Parking Tail Brake Turn Signal Light Bulb
- Price
- $7.92
- Rating
- 4.7/5
- Reviews
- 56
- Age
- 7mo ago

HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(Amber)
- Price
- $6.95
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo ago

HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(White)
- Price
- $6.89
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo ago

SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
- Price
- $7.43
- Rating
- 4.6/5
- Reviews
- 299
- Age
- 9y ago

ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack
- Price
- $6.98
- Rating
- 4.4/5
- Reviews
- 38
- Age
- 12mo ago
Newest
by launch date
iFunyLED 10 PCS 7440 Bulb Replacement Light Kit Set for Car Daytime Running Reverse Backup Parking Tail Brake Turn Signal Light Bulb
- Price
- $7.92
- Rating
- 4.7/5
- Reviews
- 56
- Age
- 7mo ago

HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(White)
- Price
- $6.89
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo ago

HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(Amber)
- Price
- $6.95
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo ago

ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack
- Price
- $6.98
- Rating
- 4.4/5
- Reviews
- 38
- Age
- 12mo ago

ALKOREY-T20 W21W 7440 Turn Signal Bulbs 2100K Amber 12V 21W 7440NA Automotive Light Bulb Car Miniature Lamps Ideal for Parking 2 Pack
- Price
- $7.09
- Rating
- 4.5/5
- Reviews
- 349
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 63% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 rising
Sellers
50
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
63%
Top 20: 100%
Open market
12%
- SYLVANIA41%
- ALKOREY15%
- OSRAM12%
- Kadiby8%
- HHZL7%
- AUXITO6%
- Open — no brand owns it (6 brands, 12%)
Demand
Third Brake Light Bulb search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Third Brake Light Bulb search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 7440 bulb41K/yr
- 7440 brake light bulb20K/yr
- 744012K/yr
- w21w bulb7K/yr
- sylvania 74405K/yr
- 7440 bulbs3K/yr
Reviews and returns
What reviews say buyers love and hate about Third Brake Light Bulb
We read the reviews and the return reasons for every product selling here.
“which I believe are too small”
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.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Third Brake Light Bulb questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









