Brake Light Bulbs
FailThe top 5 brands take 100% of clicks, so Brake Light Bulbs is a Fail.
- Flapen Score
- 32 / 100Ranks 791 of 811 Automotive niches · −17 vs the category median of 4932
- Market size
- £50K/yr60K searches / yr
- 90-day growth
- -14.4%search demand this quarter
- Competition
- 96%top-5 click share · 5 brands · 27 sellers
Flapen Score
Brake Light Bulbs against its category
The dotted line is the Automotive average. Past it, Brake Light Bulbs is stronger. Inside it, weaker.
Market
The Brake Light Bulbs market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Brake Light Bulbs 60K times last year and spent an estimated £50K. All 5 brands take every click. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 18.7% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 18.7% of those searches ended in a purchase. Searches in the last 90 days moved -14.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £50K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- -14.4%
- Conversion, latest week
- 18.7%
- Market size, estimated
- £50Ka year
- Peak month
- October1.5× the quietest month
- Top search term
- p21/5w bulb22K searches a year
02 · Price
A sale here is worth £4.47.
Listings sell for £4.47 on average, from £2.54 to £6.69. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 750 to 1,000 of them. At £4.47 that is £3K to £4K a year per listing.
- Average price
- £4.47under the $15 to $100 sweet spot
- Price range
- £2.54–£6.69
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £3K–£4K
- Returns
- 1.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
50% 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 #2 within Car Parts. It carries 1,715 reviews at 4.50 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #2in Car Parts
- Average rating
- 4.50 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,715per listing
- Listings tracked
- 6
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 54 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 54 months
Products
Top Brake Light Bulbs 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
- Price
- £3.39
- Rating
- 4.6/5
- Reviews
- 3,602
- Age
- 1y ago

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
- Price
- £5.03
- Rating
- 4.6/5
- Reviews
- 512
- Age
- 2y ago

Motionperformance Essentials 2 x P21/5W BAY15D 380 12v Clear Stop Brake Tail Light Car Bulbs (Staggered Pins Dual Filament) - TWIN PACK
- Price
- £6.29
- Rating
- 4.4/5
- Reviews
- 1,879
- Age
- 14y ago

Simply S380BL 380 (P21/5W) Auxiliary Bulbs Blister 12V 21/5W Base BAY15D High Performance and Maximum Visility Provide Drivers with more time to React to Changes in Traffic Situations
- Price
- £2.54
- Rating
- 4.4/5
- Reviews
- 279
- Age
- 10y ago

Xtremeauto X10 380 P21/5W Bulbs - Brake Light Bulbs X10 12V Car Stop Rear Break Light Bulb Car Lights Rear Tail Light 380 Bulb 380 p21/5w Car Bulb P21/5w Bulb Stop And Tail Light Bulbs
- Price
- £6.69
- Rating
- 4.4/5
- Reviews
- 416
- Age
- 2y ago
Trending
estimated 90-day click momentum
OSRAM ULTRA LIFE P21W Double Blister (2 lamps)
- Price
- £2.89
- Rating
- 4.6/5
- Reviews
- 3,602
- Age
- 1y ago

OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
- Price
- £3.39
- Rating
- 4.6/5
- Reviews
- 3,602
- Age
- 1y ago

Xtremeauto X10 380 P21/5W Bulbs - Brake Light Bulbs X10 12V Car Stop Rear Break Light Bulb Car Lights Rear Tail Light 380 Bulb 380 p21/5w Car Bulb P21/5w Bulb Stop And Tail Light Bulbs
- Price
- £6.69
- Rating
- 4.4/5
- Reviews
- 416
- Age
- 2y ago

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
- Price
- £5.03
- Rating
- 4.6/5
- Reviews
- 512
- Age
- 2y ago

Motionperformance Essentials 2 x P21/5W BAY15D 380 12v Clear Stop Brake Tail Light Car Bulbs (Staggered Pins Dual Filament) - TWIN PACK
- Price
- £6.29
- Rating
- 4.4/5
- Reviews
- 1,879
- Age
- 14y ago
Newest
by launch date
OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
- Price
- £3.39
- Rating
- 4.6/5
- Reviews
- 3,602
- Age
- 1y ago

OSRAM ULTRA LIFE P21W Double Blister (2 lamps)
- Price
- £2.89
- Rating
- 4.6/5
- Reviews
- 3,602
- Age
- 1y ago

Xtremeauto X10 380 P21/5W Bulbs - Brake Light Bulbs X10 12V Car Stop Rear Break Light Bulb Car Lights Rear Tail Light 380 Bulb 380 p21/5w Car Bulb P21/5w Bulb Stop And Tail Light Bulbs
- Price
- £6.69
- Rating
- 4.4/5
- Reviews
- 416
- Age
- 2y ago

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
- Price
- £5.03
- Rating
- 4.6/5
- Reviews
- 512
- Age
- 2y ago

Simply S380BL 380 (P21/5W) Auxiliary Bulbs Blister 12V 21/5W Base BAY15D High Performance and Maximum Visility Provide Drivers with more time to React to Changes in Traffic Situations
- Price
- £2.54
- Rating
- 4.4/5
- Reviews
- 279
- Age
- 10y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
27
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- OSRAM51%
- Tek Automotive17%
- Motionperformance Essentials16%
- Simply8%
- Xtremeauto7%
- Open — no brand owns it (0%)
Demand
Brake Light Bulbs search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Brake Light Bulbs search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- p21/5w bulb22K/yr
- p21/5w bulb brake light10K/yr
- 380 p21/5w car bulb7K/yr
- ford fiesta brake light bulb7K/yr
- ford focus brake light bulb5K/yr
- p21/5w3K/yr
- 380 bulb3K/yr
- p21 5w bulb2K/yr
Reviews and returns
What reviews say buyers love and hate about Brake Light Bulbs
We read the reviews and the return reasons for every product selling here.
“Failed too soon”
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.
15 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 Brake Light Bulbs 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









