brake light bulbs
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Okay1,715avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-14.4%90-day search growth — must beat 0% to launch
Market size
Bad£50K£50K/yr · 60K searches
Avg price
Bad£4.47avg listing price — sweet spot $15–$100
Competition
Bad96%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£2.54–£6.69cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, brake light bulbs is a £50K/yr Amazon United Kingdom market (60K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 32/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
brake light bulbs market data
- Units sold / yr
- 10K–13K
- avg 750–1,000/product
- Revenue / yr
- £45K–£56K
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #2
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
27
Top-5 brand share
100%
Top 20: 100%
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 & seasonality
Weekly Amazon search volume, last 104 weeks — -14.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top brake light bulbs search terms
- 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
Top brake light bulbs 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.
All 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
OSRAM£3.394.6★3,602 rev

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
Tek Automotive£5.034.6★512 rev

Motionperformance Essentials 2 x P21/5W BAY15D 380 12v Clear Stop Brake Tail Light Car Bulbs (Staggered Pins Dual Filament) - TWIN PACK
Motionperformance Essentials£6.294.4★1,879 rev

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
Simply£2.544.4★279 rev

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
Xtremeauto£6.694.4★416 rev
Newest
by launch date
OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
OSRAM£3.393,602 rev

OSRAM ULTRA LIFE P21W Double Blister (2 lamps)
OSRAM£2.893,602 rev

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
Xtremeauto£6.69416 rev

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
Tek Automotive£5.03512 rev

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
Simply£2.54279 rev
Trending
90-day click momentum
OSRAM ULTRA LIFE P21W Double Blister (2 lamps)
OSRAM£2.894.6★

OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)
OSRAM£3.394.6★

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
Xtremeauto£6.694.4★

Tek Automotive 2 x 380 P21/5W BAY15D Brake Light Bulbs 12V 21/5W Stop & Tail Car Bulbs (Staggered Pins Dual Filament)
Tek Automotive£5.034.6★

Motionperformance Essentials 2 x P21/5W BAY15D 380 12v Clear Stop Brake Tail Light Car Bulbs (Staggered Pins Dual Filament) - TWIN PACK
Motionperformance Essentials£6.294.4★
What buyers say about brake light bulbs
What buyers praise and complain about, mined from review topics.What buyers love
“A lot cheaper than anywhere else”
“Brighter lights”
“Brilliant bit of kit”
“It done the job”
“Easy fit”
“Job done”
“Easy to change”
“Once installed and paired it connects instantlyvwith my android phone”
“Just what I needed to replace”
“The second bulb worked fine”
What buyers complain about
“Failed too soon”
“Doesn't fit Ford Focus 2014”
“Doesn't fit Ford Focus 2014”
“No difference in brightness”
“expensive price for one bulb”
“Neither bulb worked on delivery”
“Suggest the bulb vacuum was faulty”
“Neither bulb worked on delivery”
“Not the best”
“Looks like a bad fit / connection”
Top return reasons
Common questions
- Is brake light bulbs profitable to sell on Amazon United Kingdom?
- The niche generates £50K/yr across 6 tracked products. 90-day search growth is -14.4%. Flapen's verdict: Skip it (32/100).
- How competitive is the brake light bulbs niche?
- 5 brands and 27 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in brake light bulbs?
- Top complaints mined from reviews: Durability, Size-Overall, Compatibility-Overall. The return rate is 1.1%.
- When does demand for brake light bulbs peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the brake light bulbs niche?
- Listings span £2.54–£6.69; the average listing price is £4.47 (sweet spot $15–$100). The average incumbent carries 1,715 reviews — the moat a new listing must climb.