Is p21w bulb profitable to sell on Amazon United States?

The niche generates $83K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (39/100).

How competitive is the p21w bulb niche?

10 brands and 79 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in p21w bulb?

Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 3.1%.

When does demand for p21w bulb peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the p21w bulb niche?

Listings span $5.75–$98.78; the average listing price is $16.39 (sweet spot $15–$100). The average incumbent carries 5,531 reviews — the moat a new listing must climb.

p21w bulb

Skip it

Brand-locked demand (top 5 brands take 92% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible12.9%

search→purchase rate — share of searches ending in a sale

Price range

Great$5.75–$98.78

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$16.39

avg listing price — sweet spot $15–$100

Returns

Okay3.1%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+0.9%

90-day search growth — must beat 0% to launch

Review moat

Bad5,530.67

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$83K

$83K/yr · 39K searches

Competition

Bad75%

top-5 click share — a locked-up shelf

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, p21w bulb is a $83K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 39/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

p21w bulb market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $82K–$98K; units × avg price
Conversion rate: 12.9%
Avg BSR: #356
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 56 months
Avg seller age: 184 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

SYLVANIA48%
Hella21%
Kadiby17%
Sony3%
Rafeal Auto3%
AUTOONE2%
Open — no brand owns it (4 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +0.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top p21w bulb search terms

7506 bulb24K/yr +2.8%13.4% conv.
7506 brake light bulb7K/yr -4.3%14.4% conv.
sylvania 75064K/yr -6.1%15.8% conv.
75064K/yr +5.5%9.4% conv.

All search terms

Top p21w 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SYLVANIA - 7506 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA$7.284.7★649 rev

Hella 7506TB Bulb 7506 12V 21W Ba15S S8 (2)

Hella$5.754.5★1,105 rev

SYLVANIA 7506 Basic Miniature Bulb (Contains 2 Bulbs)

SYLVANIA$6.174.7★1,411 rev

SYLVANIA - 7506 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA$11.534.6★4,657 rev

Kadiby 2 Pack 7506 Bulb Brake/Back Up/Reverse Light Bulbs 7506LL 1156 P21W 12V 17635 Ba15s Longer Life Daytime Running Lights(DRL) Rear Turn Signal for VW Jetta Beetle Eurovan Passat Corrado Golf

Kadiby$8.654.2★21 rev

Newest

by launch date

AUTOONE White 1156 LED Light Bulbs 700% Super Bright & 6500K White 7506 BA15S P21W LED Bulbs for Backup Reverse Signal Blinker Tail DRL Brake Running Parking Lights 2PCS

AUTOONE$15.135,697 rev

8mo ago

Meonum 10 Pack 1156 Bulbs S25 P21W Bulbs 7506 1141 1156LL 1141LL 1295 Turn Signal Automotive Brake Back Up Reverse Light Clear Long Life Miniature Replacement for Cars RV Truck SUV

Meonum$8.7852 rev

1y ago

Kadiby 2 Pack 7506 Bulb Brake/Back Up/Reverse Light Bulbs 7506LL 1156 P21W 12V 17635 Ba15s Longer Life Daytime Running Lights(DRL) Rear Turn Signal for VW Jetta Beetle Eurovan Passat Corrado Golf

Kadiby$8.6521 rev

1y ago

Kadiby 2 Pack 1156 Bulb 1156NA P21W S25 1141 7506 Ba15s 12v 32cp Automotive Long Life Tail/Stop/Back-up/Reverse Light Bulbs Clear Mini RV Bulbs Fit for Wrangler Sportage Safari Elantra Sonata

Kadiby$7.7744 rev

1y ago

Kadiby 12 Bulk Pack 1156 Bulb P21W S25 1141 7506 Ba15s 12v 32cp Automotive Brake/Back Up/Reverse Light Clear Miniature RV Bulbs Fit for Aveo/Ram Pickup/Hammer

Kadiby$9.971,210 rev

2y ago

What buyers say about p21w bulb

What buyers praise and complain about, mined from review topics.

What buyers love

Audio Quality21%

“Clear and crisp sound”

Brightness/Shine/Glow20%

“Brightness is good”

Quality-Overall12%

“Durable build quality”

Size-Overall10%

“Good snug fit”

Value For Money5%

“Can't beat the price”

Comfort-Overall5%

“they are comfortable”

Durability2%

“Reliable and great”

Advertised Vs Actual Product2%

“as advertised”

Ease Of Use2%

“Easy upgrade”

Efficiency2%

“Works perfectly”

What buyers complain about

Size-Overall10%

“But the tight fit is a bummer”

Durability9%

“these are definitely going to break”

Quality-Overall8%

“These are complete garbage”

Audio Quality6%

“the sound quality is terrible”

Comfort-Overall5%

“they are not the most comfortable headphones”

Advertised Vs Actual Product5%

“Wrong info”

Value For Money4%

“Waste of money”

Defective Material/Parts4%

“Product malfunction”

Functionality-Overall4%

“Tried to put the first bulb on the right side a week later, don't work”

Bass2%

“The bass is almost non-existent”

Top return reasons

Size-Overall31%

Compatibility-Overall16%

Audio Quality11%

Comfort-Overall6%

Advertised Vs Actual Product5%

Functionality-Overall4%

Value For Money4%

Connectivity-Overall3%

Product Condition3%

Defective Material/Parts3%

Common questions

Is p21w bulb profitable to sell on Amazon United States?: The niche generates $83K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (39/100).
How competitive is the p21w bulb niche?: 10 brands and 79 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in p21w bulb?: Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 3.1%.
When does demand for p21w bulb peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the p21w bulb niche?: Listings span $5.75–$98.78; the average listing price is $16.39 (sweet spot $15–$100). The average incumbent carries 5,531 reviews — the moat a new listing must climb.

p21w bulb

p21w bulb market data

Competition & brand share

Demand & seasonality

Top p21w bulb search terms

Top p21w bulb products on Amazon

Top sellers

Newest

Trending

What buyers say about p21w bulb

What buyers love

What buyers complain about

Top return reasons

Common questions

Related niches in Automotive