P21w
FailPrices span $2.51–$11.62, mostly outside the sweet spot, so P21w is a Fail.
- Flapen Score
- 39 / 100Ranks 1,267 of 1,428 Auto & Motorrad niches · −12 vs the category median of 5139
- Market size
- €110K/yr116K searches / yr
- 90-day growth
- -2.6%search demand this quarter
- Competition
- 70%top-5 click share · 8 brands · 113 sellers
Flapen Score
P21w against its category
The dotted line is the Auto & Motorrad average. Past it, P21w is stronger. Inside it, weaker.
Market
The P21w market on Amazon at a glance
Shoppers on Amazon Germany searched for P21w 116K times last year and spent an estimated €110K. The top 5 brands take 89% of clicks. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 17.0% of those searches ended in a purchase.
Shoppers searched for this 116K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 17.0% of those searches ended in a purchase. Searches in the last 90 days moved -2.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated €110K a year.
- Searches, last 12 months
- 116K
- Growth, 90 days vs prior 90
- -2.6%
- Conversion, latest week
- 17.0%
- Market size, estimated
- €110Ka year
- Peak month
- November1.3× the quietest month
- Top search term
- p21w57K searches a year
02 · Price
A sale here is worth €5.59.
Listings sell for €5.59 on average, from €2.51 to €11.62. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 750 to 1,000 of them. At €5.59 that is €4K to €6K a year per listing.
- Average price
- €5.59under the $15 to $100 sweet spot
- Price range
- €2.51–€11.62
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- €4K–€6K
- Returns
- 0.6%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is reviews.
75% 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 #13 within Ersatz-, Tuning- & Verschleißteile. It carries 5,346 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #13in Ersatz-, Tuning- & Verschleißteile
- Average rating
- 4.56 starsAmazon Germany average 4.37 stars
- Average reviews
- 5,346per listing
- Listings tracked
- 12
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 72 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
- 72 months
Products
Top P21w 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 P21W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €2.86
- Rating
- 4.7/5
- Reviews
- 383
- Age
- 1y ago

Bosch P21W Pure Light Fahrzeuglampen - 12 V 21 W BA15s - 2 Stücke
- Price
- €2.51
- Rating
- 4.7/5
- Reviews
- 4,284
- Age
- 19y ago

Philips automotive lighting 0730012 Glühlampen 13.00x9.50x13.00 White
- Price
- €3.33
- Rating
- 4.7/5
- Reviews
- 41,112
- Age
- 15y ago

LIGHTWORLD24 10 x P21W 12V 21W Kugellampe BA15s Bremslichtlampe Nebelschlusslampe Rückfahrlicht Tagfahrlicht Glüh-Lampe Auto Birne Kfz PKW Stop Signal Licht
- Price
- €6.72
- Rating
- 4.5/5
- Reviews
- 971
- Age
- 4y ago

XENOHYPE 10x P21W Premium BA15s 12 V 21 Watt Kugellampen
- Price
- €8.50
- Rating
- 4.5/5
- Reviews
- 563
- Age
- 9y ago
Trending
estimated 90-day click momentum
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 ORIGINAL LINE 12V P21W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €2.86
- Rating
- 4.7/5
- Reviews
- 383
- Age
- 1y ago

Diamond Vision 2x P21W | Xenon Look | Halogen KFZ Autolampen | 8500K Super Ultra White | extrem langlebig | 2er SET | E-Prüfzeichen | BA15S
- Price
- €11.62
- Rating
- 3.9/5
- Reviews
- 3,602
- Age
- 6y ago

XENOHYPE 10x P21W Premium BA15s 12 V 21 Watt Kugellampen
- Price
- €8.50
- Rating
- 4.5/5
- Reviews
- 563
- Age
- 9y ago

Light Galaxy ... Ihr Lichtlieferant 10x P21W 12V 21W BA15s Kugellampe Bremslichtlampe Rückfahrlicht Nebelschlussleuchte Tagfahrlicht KFZ Auto Glühlampe
- Price
- €6.65
- Rating
- 4.6/5
- Reviews
- 85
- Age
- 2y ago
Newest
by launch date
Osram ORIGINAL LINE 12V P21W signal lamp Metal Base Double Blister (2 lamps)
- Price
- €2.86
- Rating
- 4.7/5
- Reviews
- 383
- Age
- 1y ago

Osram ULTRA LIFE P21W Double Blister (2 lamps)
- Price
- €2.90
- Rating
- 4.7/5
- Reviews
- 3,555
- Age
- 1y 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

Light Galaxy ... Ihr Lichtlieferant 10x P21W 12V 21W BA15s Kugellampe Bremslichtlampe Rückfahrlicht Nebelschlussleuchte Tagfahrlicht KFZ Auto Glühlampe
- Price
- €6.65
- Rating
- 4.6/5
- Reviews
- 85
- Age
- 2y ago

LIGHTWORLD24 10 x P21W 12V 21W Kugellampe BA15s Bremslichtlampe Nebelschlusslampe Rückfahrlicht Tagfahrlicht Glüh-Lampe Auto Birne Kfz PKW Stop Signal Licht
- Price
- €6.72
- Rating
- 4.5/5
- Reviews
- 971
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 rising
Sellers
113
Est. top-5 brand share
89%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
6%
- Osram45%
- Bosch15%
- PHILIPS11%
- LIGHTWORLD24 Welt der Lichter10%
- XENOHYPE9%
- GADLANE5%
- Open — no brand owns it (2 brands, 6%)
Demand
P21w search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top P21w search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- p21w57K/yr
- p21w 12v13K/yr
- 12v 21w birne13K/yr
- ba15s7K/yr
- glühlampe 12v 21w6K/yr
- 12v 21w5K/yr
- osram p21w4K/yr
- 12v p21w3K/yr
- glühbirne 12v 21w3K/yr
- 21w 12v birne3K/yr
Reviews and returns
What reviews say buyers love and hate about P21w
We read the reviews and the return reasons for every product selling here.
“Schlechte Qualität”
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 P21w 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









