P21 5w
FailPrices span $3.16–$9.39, mostly outside the sweet spot, so P21 5w is a Fail.
- Flapen Score
- 34 / 100Ranks 1,367 of 1,428 Auto & Motorrad niches · −17 vs the category median of 5134
- Market size
- €68K/yr68K searches / yr
- 90-day growth
- +6.0%search demand this quarter
- Competition
- 83%top-5 click share · 6 brands · 77 sellers
Flapen Score
P21 5w against its category
The dotted line is the Auto & Motorrad average. Past it, P21 5w is stronger. Inside it, weaker.
Market
The P21 5w market on Amazon at a glance
Shoppers on Amazon Germany searched for P21 5w 68K times last year and spent an estimated €68K. The top 5 brands take 94% of clicks. Flapen scores it 34 out of 100, a Fail.
01 · Demand
An estimated 18.1% of those searches ended in a purchase.
Shoppers searched for this 68K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 18.1% of those searches ended in a purchase. Searches in the last 90 days moved +6.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated €68K a year.
- Searches, last 12 months
- 68K
- Growth, 90 days vs prior 90
- +6.0%
- Conversion, latest week
- 18.1%
- Market size, estimated
- €68Ka year
- Peak month
- July1.2× the quietest month
- Top search term
- p21 5w28K searches a year
02 · Price
A sale here is worth €5.55.
Listings sell for €5.55 on average, from €3.16 to €9.39. 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 €5.55 that is €4K to €6K a year per listing.
- Average price
- €5.55under the $15 to $100 sweet spot
- Price range
- €3.16–€9.39
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- €4K–€6K
- Returns
- 0.9%of orders · Amazon Germany median 1.1%
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 #15 within Ersatz-, Tuning- & Verschleißteile. It carries 10,338 reviews at 4.65 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
- #15in Ersatz-, Tuning- & Verschleißteile
- Average rating
- 4.65 starsAmazon Germany average 4.37 stars
- Average reviews
- 10,338per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 77 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 77 months
Products
Top P21 5w 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 6, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €4.51
- Rating
- 4.8/5
- Reviews
- 3,158
- Age
- 1y ago

LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD
- Price
- €6.63
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 4y ago

Philips 12499B2 Kugellampe Vision P21/5W Signallampe 2er Blister 13.50x9.50x13.50 White
- Price
- €3.51
- Rating
- 4.7/5
- Reviews
- 41,112
- Age
- 19y ago

XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
- Price
- €8.55
- Rating
- 4.5/5
- Reviews
- 552
- Age
- 9y ago

Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger
- Price
- €6.62
- Rating
- 4.5/5
- Reviews
- 175
- Age
- 4y ago
Trending
estimated 90-day click momentum
Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White
- Price
- €3.33
- Rating
- 4.7/5
- Reviews
- 41,112
- Age
- 15y ago

Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €4.51
- Rating
- 4.8/5
- Reviews
- 3,158
- Age
- 1y ago

OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528
- Price
- €9.39
- Rating
- 4.7/5
- Reviews
- 294
- Age
- 12y ago

Bosch P21/5W Pure Light Halogen-Glühlampe für Auto-Scheinwerfer 12 V 21/5 W in Originalqualität - Lampensockel Typ BAY15d - 2er-Pack Ersatz-Scheinwerferlampen
- Price
- €3.16
- Rating
- 4.7/5
- Reviews
- 5,553
- Age
- 16y ago

XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
- Price
- €8.55
- Rating
- 4.5/5
- Reviews
- 552
- Age
- 9y ago
Newest
by launch date
Osram ORIGINAL LINE 12V P21/5W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €4.51
- Rating
- 4.8/5
- Reviews
- 3,158
- Age
- 1y ago

LIGHTWORLD24 10 x BAY15D P21/5W Auto Lampe 12V 21 Watt 5 Watt Bremslicht Rücklicht Glühlampe Kugellampe Glühbirne AUTOBIRNEN RÜCKLICHT STOPPLICHT BLINKER MOTORRAD
- Price
- €6.63
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 4y ago

Light Galaxy ... Ihr Lichtlieferant 10x BAY15d P21/5W Bremslicht Birne Rücklicht Glühlampe 12V 21/5W Autolampe Kfz Kugellampe PKW Motorrad Anhänger
- Price
- €6.62
- Rating
- 4.5/5
- Reviews
- 175
- Age
- 4y ago

XENOHYPE 10x P21/5W Premium BAY15d 12 V 21/5 Watt Kugellampe
- Price
- €8.55
- Rating
- 4.5/5
- Reviews
- 552
- Age
- 9y ago

OSRAM 10x Kugelleuchte 12V P21/5W BAY15D 7528
- Price
- €9.39
- Rating
- 4.7/5
- Reviews
- 294
- Age
- 12y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 83% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
77
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
0%
- Osram49%
- PHILIPS18%
- LIGHTWORLD24 Welt der Lichter14%
- XENOHYPE8%
- Light Galaxy ... Ihr Lichtlieferant6%
- Bosch6%
Demand
P21 5w search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top P21 5w search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- p21 5w28K/yr
- p21/5w10K/yr
- bremslicht birne 12v 21w/5w8K/yr
- 12v 21/5w6K/yr
- bay15d4K/yr
- p21/5w bremslicht5K/yr
- p214K/yr
- ford fiesta bremslicht birne hinten3K/yr
Reviews and returns
What reviews say buyers love and hate about P21 5w
We read the reviews and the return reasons for every product selling here.
“Absoluter Schrott kurz nach dem einsetzen sind schon 3 Birnen defekt”
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
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 P21 5w 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









