---
title: "921 Led Bulb — $496K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/921-led-bulb"
last_updated: "2026-08-09T11:47:21.492Z"
locale: en
meta:
description: "Niche score 47/100 · $496K/yr market · 432K searches/yr · $13.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $496K/yr market · 432K searches/yr · $13.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "921 Led Bulb — $496K/yr Amazon US Niche (2026) - Flapen"
---
# **921 led bulb**
**Skip it**
Soft demand (-10.0% this quarter) — this niche doesn't clear our bar today.
Market size 60Growth 20Conversion 80Competition 48Returns 49Price range 57Avg price 65Brand share 42Review moat 23Quality gap 37
**Conversion**
**Great****8.3%**
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**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****7,083.59**
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 ~~](https://flapen.com/research/methodology)
## **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**
**39**
**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.
13K8KSpike '24 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/automotive/921-led-bulb/trend)
## **Top 921 led bulb search terms**
- **921 led bulb**175K/yr-1.6%7.0% conv. - **921 led bulb reverse light**75K/yr-26.8%8.3% conv. - **912 led bulb**45K/yr-14.3%5.3% conv. - **t15 led bulb**33K/yr-13.0%5.1% conv. - **921 led**21K/yr-3.2%5.9% conv. - **921 bulb reverse light**10K/yr-2.3%8.8% conv. - **led 921 bulb**9K/yr+2.7%7.8% conv. - **921**7K/yr-0.6%4.3% conv. - **w16w bulb**7K/yr+0.5%3.5% conv. - **w16w led bulb**7K/yr-22.0%6.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/921-led-bulb/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.
0%5%$25K10%$50K15%$74K20%$99K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$12.73**4.5★35,933 rev](https://www.amazon.com/dp/B0728DYR9H) [2**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**$13.67**4.5★17,973 rev](https://www.amazon.com/dp/B081YL2Q2W) [3**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**$23.95**4.5★7,270 rev](https://www.amazon.com/dp/B081YJ7G81) [4**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**$15.75**4.5★20,330 rev](https://www.amazon.com/dp/B08KFS93PS) [5**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**$18.39**4.6★316 rev](https://www.amazon.com/dp/B0D3LGQ1SW)
**~~View all top sellers →~~**
### **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**$14.14**6,881 rev5mo ago](https://www.amazon.com/dp/B0GGB1HKCP) [**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**$11.68**11,013 rev7mo ago](https://www.amazon.com/dp/B0FZTLBX4N) [**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**$9.81**449 rev11mo ago](https://www.amazon.com/dp/B0FKS37K4F) [**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**$12.88**15,214 rev1y ago](https://www.amazon.com/dp/B0F8VDD1HP) [**Auxbeam Upgraded 921 Bulb for Backup Reverse Light 44W 6000 Lumens 500% Extremely Bright 912 W16W T15 Bulbs Error Free Pack of 2**Auxbeam**$27.71**285 rev1y ago](https://www.amazon.com/dp/B0DFCKP6K3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$14.14**4.5★**▲ 216%**](https://www.amazon.com/dp/B0GGB1HKCP) [**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**$11.68**4.6★**▲ 121%**](https://www.amazon.com/dp/B0FZTLBX4N) [**SYLVANIA - 921 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Center High Mount Stop Light (CHMSL) and More (Contains 2 Bulbs)**SYLVANIA**$11.67**4.6★**▲ 88%**](https://www.amazon.com/dp/B0049A1N3U) [**KIMLATAR 921 LED Bulbs Reverse Light Upgrade 600% Super Bright White 912 T15 Back up lights W16W 912 LED Bulb Direct Reverse Replacement LampsPack of 2**KIMLATAR**$7.10**4.4★**▲ 66%**](https://www.amazon.com/dp/B09FYV465P) [**AOICANKI 20pcs Super Bright RV Trailer T10 921 194 42-SMD 12V Car Backup Reverse LED Lights Bulbs Light Width Lamp Xenon White**AOICANKI**$11.47**4.5★**▲ 58%**](https://www.amazon.com/dp/B076V9XXW6)
**~~View all trending →~~**
## **What buyers say about 921 led bulb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**54%
*“Bright light”*
**Quality-Overall**9%
*“Excellent product”*
**Size-Overall**8%
*“Amazing fit”*
**Assembly/Installation**6%
*“Installed without problem”*
**Value For Money**4%
*“Good value for money”*
**Advertised Vs Actual Product**3%
*“Exactly as Advertised”*
**Efficiency**2%
*“energy efficient”*
**Durability**2%
*“seems quite durable”*
**Night Vision**1%
*“A Major Night-Vision Upgrade”*
**Color**1%
*“Nice color”*
### **What buyers complain about **
**Durability**24%
*“Didnt last”*
**Compatibility-Overall**12%
*“Not CANBUS compatible”*
**Brightness/Shine/Glow**9%
*“not as bright as i though”*
**Quality-Overall**8%
*“Inconsistent quality”*
**Size-Overall**6%
*“The size is considerably larger”*
**Functionality-Overall**6%
*“did get a non working one in the set”*
**Advertised Vs Actual Product**3%
*“not as claimed”*
**Value For Money**3%
*“It's cheaper in the long run”*
**Socket/Port/Plug**2%
*“A little tough to push into socket”*
**Assembly/Installation**2%
*“Took too long to install these”*
### **Top return reasons **
**Size-Overall**56%
**Compatibility-Overall**16%
**Functionality-Overall**6%
**Brightness/Shine/Glow**5%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**3%
**Socket/Port/Plug**2%
**Assembly/Installation**2%
**Color**2%
**Value For Money**1%
## **Common questions**
- **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.
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