Is 921 led bulb profitable to sell on Amazon United States?

The niche generates $496K/yr across 22 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.0%. Flapen's verdict: Skip it (47/100).

How competitive is the 921 led bulb niche?

14 brands and 39 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in 921 led bulb?

Top complaints mined from reviews: Durability, Compatibility-Overall, Brightness/Shine/Glow. The return rate is 3.1%.

When does demand for 921 led bulb peak?

Demand peaks in Oct; the busiest month runs 1.6× the quietest.

What does it cost to enter the 921 led bulb niche?

Listings span $5.48–$27.71; the average listing price is $13.76 (sweet spot $15–$100). The average incumbent carries 7,084 reviews — the moat a new listing must climb.

921 led bulb

Skip it

Soft demand (-10.0% this quarter) — this niche doesn't clear our bar today.

Conversion

Great8.3%

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

Avg price

Good$13.76

avg listing price — sweet spot $15–$100

Market size

Good$496K

$496K/yr · 432K searches

Price range

Good$5.48–$27.71

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

Returns

Okay3.1%

return rate — above 5% kills the launch gate

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,083.59

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-10.0%

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

According to Flapen's Amazon United States niche tracking, 921 led bulb is a $496K/yr Amazon United States market (432K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Oct. Verdict: Skip it — 47/100.

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

921 led bulb market data

Units sold / yr: 40K–50K; avg 1,500–2,000/product
Revenue / yr: $550K–$688K; units × avg price
Conversion rate: 8.3%
Avg BSR: #21
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.9%
Avg brand age: 46 months
Avg seller age: 172 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

56%

Top 20: 98%

Open market

17%

AUXITO34%
LASFIT21%
SEALIGHT13%
AOICANKI6%
SYLVANIA5%
Alla Lighting3%
Open — no brand owns it (8 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.0% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 1.6×

Open Trend

Top 921 led bulb search terms

921 led bulb175K/yr -1.6%7.0% conv.
921 led bulb reverse light75K/yr -26.8%8.3% conv.
912 led bulb45K/yr -14.3%5.3% conv.
t15 led bulb33K/yr -13.0%5.1% conv.
921 led21K/yr -3.2%5.9% conv.
921 bulb reverse light10K/yr -2.3%8.8% conv.
led 921 bulb9K/yr +2.7%7.8% conv.
9217K/yr -0.6%4.3% conv.
w16w bulb7K/yr +0.5%3.5% conv.
w16w led bulb7K/yr -22.0%6.8% conv.

All search terms

Top 921 led 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 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

AUXITO 912 921 LED Bulb for Backup Light Reverse Lights High Power 2835 15-SMD Chipsets Error Free T15 906 922 W16W Bulbs 6000K White Exterior Light Bulbs (Upgraded Pack of 2)

AUXITO$12.734.5★35,933 rev

LASFIT 921 LED Bulb Reverse Light 912 T15 6000K White Canbus Error Free W16W 906 904 Backup Light Replacement Cargo Lights for Car Trunk Super Bright Pack of 2

LASFIT$13.674.5★17,973 rev

LASFIT 921 LED Bulb Reverse Lights 912 T15 Back Up Light CANBUS Error Free W16W 906 Reversing Bulb 904 916 6000K Xenon White New Upgrade Design Plug and Play (Pack of 2)

LASFIT$23.954.5★7,270 rev

AUXITO 912 921 LED Bulbs for Backup Reverse Light Bulbs 42-SMD 6000K Ultra Bright White Non-polarity 906 W16W T15 921 LED Bulb Direct Back Up Light Replacement Lamp Pack of 2

AUXITO$15.754.5★20,330 rev

SEALIGHT 921 LED Bulb Reverse Light 600% Brighter T15 906 904 916 W16W 921 LED Bulb with Projector Replacement Tail Backup Reverse Lights Non-polarity Xenon White Interior Lighting Pack of 2

SEALIGHT$18.394.6★316 rev

Newest

by launch date

SEALIGHT 2026 Latest 921 LED Bulb 700% Super Bright 912 T15 Led Reverse Light Canbus Error Free 906 904 916 W16W LED Bulbs 6500K White Non-polarity Automotive Back Up Light Assemblies 2PCS

SEALIGHT$14.146,881 rev

5mo ago

AUXITO 921 LED Bulb Reverse Light 400% Bright 912 T15 6000K White Canbus Error Free W16W 906 904 Backup Replacement Parking Light Assemblies For Car/Trunk Pack of 2

AUXITO$11.6811,013 rev

7mo ago

BANGO 912 921 LED Bulb for Backup Reverse Light 6000K White Non-polarity CANBUS Error Free Super Bright T15 906 922 W16W LED Replacement Bulbs for Back Up Daytime Running Lights Pack of 2

BANGO$9.81449 rev

11mo ago

SEALIGHT 921 LED Bulb Reverse Light 500% Super Bright T15 Reverse Light Bulb 3030-SMD Chipsets Canbus Error Free 906 W16W 922 912 921 LED Bulb for Backup Lights 6000K White Pack of 2

SEALIGHT$12.8815,214 rev

1y ago

Auxbeam Upgraded 921 Bulb for Backup Reverse Light 44W 6000 Lumens 500% Extremely Bright 912 W16W T15 Bulbs Error Free Pack of 2

Auxbeam$27.71285 rev

1y ago

What buyers say about 921 led bulb

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

What buyers love

Brightness/Shine/Glow54%

“Bright light”

Quality-Overall9%

“Excellent product”

Size-Overall8%

“Amazing fit”

Assembly/Installation6%

“Installed without problem”

Value For Money4%

“Good value for money”

Advertised Vs Actual Product3%

“Exactly as Advertised”

Efficiency2%

“energy efficient”

Durability2%

“seems quite durable”

Night Vision1%

“A Major Night-Vision Upgrade”

Color1%

“Nice color”

What buyers complain about

Durability24%

“Didnt last”

Compatibility-Overall12%

“Not CANBUS compatible”

Brightness/Shine/Glow9%

“not as bright as i though”

Quality-Overall8%

“Inconsistent quality”

Size-Overall6%

“The size is considerably larger”

Functionality-Overall6%

“did get a non working one in the set”

Advertised Vs Actual Product3%

“not as claimed”

Value For Money3%

“It's cheaper in the long run”

Socket/Port/Plug2%

“A little tough to push into socket”

Assembly/Installation2%

“Took too long to install these”

Top return reasons

Size-Overall56%

Compatibility-Overall16%

Functionality-Overall6%

Brightness/Shine/Glow5%

Advertised Vs Actual Product5%

Defective Material/Parts3%