w5w bulb
Skip itPrices mostly outside the sweet spot ($1.98–$8.42) — this niche doesn't clear our bar today.
Conversion
Incredible14.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Review moat
Good1,242.17avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad£81K£81K/yr · 123K searches
Avg price
Bad£4.52avg listing price — sweet spot $15–$100
Growth
Bad-43.2%90-day search growth — must beat 0% to launch
Price range
Bad£1.98–£8.42cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, w5w bulb is a £81K/yr Amazon United Kingdom market (123K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jan–Feb–Nov. Verdict: Skip it — 36/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
w5w bulb market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- £68K–£90K
- units × avg price
- Conversion rate
- 14.4%
- Avg BSR
- #33
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
52
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
10%
- Bosch29%
- OSRAM25%
- Tek Automotive24%
- Motionperformance Essentials5%
- Simply4%
- PLUSHA3%
- Open — no brand owns it (6 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -43.2% search growth over the last 90 days.Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.1×
Top w5w bulb search terms
- w5w bulb42K/yr
- 501 bulb25K/yr
- side light bulbs car16K/yr
- 501 w5w bulb7K/yr
- w5w8K/yr
- t10 bulb5K/yr
- side light bulb6K/yr
- w5w 501 bulb4K/yr
- side light bulbs3K/yr
- sidelight bulb4K/yr
Top w5w bulb 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bosch W5W (501) Pure Light Car Light Bulbs - 12 V 5 W W2 1x9 5d - 2 Bulbs
Bosch£3.924.6★6,145 rev
OSRAM ORIGINAL LINE 12V W5W signal lamp Glass Wedge Base Double Blister (2 lamps)
OSRAM£1.984.7★689 rev
Tek Automotive 501 W5W Bulb Capless 12V 5W W2.1x9.5D Pack of 10 Side Light & Number Plate Bulbs
Tek Automotive£4.244.5★682 rev
Tek Automotive 501 W5W Bulb Capless 12V 5W W2.1x9.5D Twin Pack Side Light & Number Plate Bulbs
Tek Automotive£3.384.6★398 rev
Motion performance 10 X 501 Capless Sidelight Car Bulb Bulbs Interior Number Plate Side Light 12V 5W
Motionperformance Essentials£4.074.6★1,606 rev
Newest
by launch date
Argo 501 Bulbs W5W 12V 5W Number Plate Light Car Bulbs Long Lasting Bright Clear W5W Bulb Halogen Side Light Bulb Car Interior Light Bulbs 501 Bulb - Pack of 2
Argo£4.0116 rev
PLUSHA 10 X 501 Capless Sidelight Bulbs 12V 5W W5W Car Light Bulbs for Interior Number Plate Dashboard & Side Light Clear Replacement Automotive Bulbs
PLUSHA£3.5913 rev
GROWS MORE 10 Pack 501 W5W T10 Car Bulbs 12V 5W Capless Side Light Number Plate Interior Dashboard & Parking Light Replacement Clear Automotive Bulbs
GROWS MORE£2.835 rev
20 PCS 501 W5W T10 Car Bulbs 12V 5W Side Car Light Bulbs Enhanced Interior and Exterior Lighting for Car Truck and SUV Car Light Bulbs Easy Installation Fit for Dashboard Reverse Parking Lamps
Eiaigky£4.6612 rev
OSRAM ORIGINAL LINE 12V W5W signal lamp Glass Wedge Base Double Blister (2 lamps)
OSRAM£1.98689 rev
Trending
90-day click momentumOSRAM ORIGINAL LINE 12V W5W signal lamp Glass Wedge Base Double Blister (2 lamps)
OSRAM£1.984.7★
Argo 501 Bulbs W5W 12V 5W Number Plate Light Car Bulbs Long Lasting Bright Clear W5W Bulb Halogen Side Light Bulb Car Interior Light Bulbs 501 Bulb - Pack of 2
Argo£4.014.9★
GROWS MORE 10 Pack 501 W5W T10 Car Bulbs 12V 5W Capless Side Light Number Plate Interior Dashboard & Parking Light Replacement Clear Automotive Bulbs
GROWS MORE£2.834.8★
PLUSHA 10 X 501 Capless Sidelight Bulbs 12V 5W W5W Car Light Bulbs for Interior Number Plate Dashboard & Side Light Clear Replacement Automotive Bulbs
PLUSHA£3.594.6★
Everlec 10 X 501 Capless Sidelight Car Bulb Bulbs Interior Number Plate Side Light 12V 5W
Everlec£4.604.7★
What buyers say about w5w bulb
What buyers praise and complain about, mined from review topics.What buyers love
“Great bright bulbs”
“Excellent value for money”
“Good light no complaints”
“Easy fit”
“Works like it should”
“Does the job”
“Ok. Maybe theyre durable”
“5* color match”
“easy installation”
“Well designed”
What buyers complain about
“Colour is yellow not white”
“Cheap”
“A few were broken on arrival”
“Expensive for what it is”
“Not pure white light”
“Some bulbs in the package were broken”
“No didnt work at all in my car”
“Misleading add”
“These are the small bulb type”
“Dont work”
Top return reasons
Common questions
- Is w5w bulb profitable to sell on Amazon United Kingdom?
- The niche generates £81K/yr across 18 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -43.2%. Flapen's verdict: Skip it (36/100).
- How competitive is the w5w bulb niche?
- 12 brands and 52 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in w5w bulb?
- Top complaints mined from reviews: Color, Quality-Overall, Durability. The return rate is 1.0%.
- When does demand for w5w bulb peak?
- Demand peaks in Jan–Feb–Nov; the busiest month runs 2.1× the quietest.
- What does it cost to enter the w5w bulb niche?
- Listings span £1.98–£8.42; the average listing price is £4.52 (sweet spot $15–$100). The average incumbent carries 1,242 reviews — the moat a new listing must climb.