4 inch led lights for trucks
Worth a lookShows a sweet-spot price point ($31.47 avg), but soft demand (-1.7% this quarter) keeps it on the watch list.
Avg price
Incredible$31.47avg listing price — sweet spot $15–$100
Review moat
Great241.95avg incumbent reviews — the moat a new listing must climb
Price range
Great$4.85–$61.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Brand share
Good71%top-5 brand share — brands hold most of the demand
Conversion
Good4.3%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$142K$142K/yr · 106K searches
Growth
Bad-1.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 4 inch led lights for trucks is a $142K/yr Amazon United States market (106K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
4 inch led lights for trucks market data
- Units sold / yr
- 5K–6K
- avg 0–100/product
- Revenue / yr
- $157K–$189K
- units × avg price
- Conversion rate
- 4.3%
- Avg BSR
- #272
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 98%
- Out of stock
- 5.0%
- Avg brand age
- 57 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
20 falling
Sellers
54
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
41%
Top 20: 78%
Open market
25%
- Partsam19%
- Nilight19%
- Partswcgg18%
- LIGBT9%
- PVerandio5%
- EclatLights4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top 4 inch led lights for trucks search terms
- 4 inch round led tail lights19K/yr
- 4 round led tail lights15K/yr
- 4 inch red led round trailer tail lights9K/yr
- 4 inch round led lights10K/yr
- 4 inch round trailer lights6K/yr
- round tail lights7K/yr
- 4 inch led lights for trucks9K/yr
- 4 inch trailer lights6K/yr
- round led tail lights5K/yr
- 4 inch round led stop turn tail lights4K/yr
Top 4 inch led lights for trucks 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nilight - TL-18 2PCS 4 Round Red LED Trailer Tail Lights w/Surface Mount Grommet Plugs IP67 Stop Brake Turn Tail Lights for Truck Trailer RV Jeep
Nilight$18.034.7★944 rev
4Pcs 4 Inch Round LED Trailer Tail Lights Red 24 LED Waterproof 4 Inch Round Led Stop Turn Brake Tail Lights Flush Mount for Trucks RV Include Lights Grommets 3-Prong Wire Pigtails 12V Sealed
Partswcgg$26.854.6★360 rev
LIGBT 4 Inch Red Led Round Trailer Tail Lights 4 led Trailer Stop Brake Turn Tail Lights 16 LED Waterproof led Trailer Lights for Boat Truck RV
LIGBT$13.634.2★226 rev
Partsam 8Pcs 4 Round Red LED Trailer Tail Light 4 Inch Round Led Stop Turn Tail Lights Brake Brake Trailer Lights for RV Trucks Rubber Grommets and 3-Prong Wire Pigtails Included
Partsam$47.904.6★345 rev
4Inch Round LED Trailer Lights - 4 PCS 24 High-Output LED Red Tail Lights Waterproof Sealed Flush Mount with Grommets & 3-Prong Pigtails - Stop/Turn/Brake Lights for Trucks RV Boat UTE UTV 12V
EclatLights$25.984.5★39 rev
Newest
by launch date
Ronybuy 10Pcs 4 Round Red Led Trailer Lights Trailer Tail Lights 4 Inch 12V Waterproof Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Rubber Grommets & 3-Prong Wire Plugs Included
Ronybuy$49.6023 rev
Jamarco 4 Inch Round LED Trailer Tail Lights Red 24 LED 12Pcs 4 Inch Round Led Stop Turn Tail Lights Brake Trailer Lights for RV Trucks Rubber Grommets and 3-Prong Wire Pigtails Included
Jamarco$52.004 rev
Partswcgg 12Pcs 4 Inch Round LED Trailer Tail Lights 24 LED Red Stop Turn Tail Lights Brake Trailer Lights White Backup Reverse Lights w/ 3-Prong Wire Pigtails Plug IP67 Waterproof 12V(8Red+4White)
Partswcgg$50.1213 rev
Ronybuy 10Pcs 4 Inch Round Led Trailer Tail Lights Red 24 LED Trailer Lights Waterproof 4 Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Include Grommets 3-Prong Wire Plugs
Ronybuy$51.7065 rev
4Inch Round LED Trailer Lights - 4 PCS 24 High-Output LED Red Tail Lights Waterproof Sealed Flush Mount with Grommets & 3-Prong Pigtails - Stop/Turn/Brake Lights for Trucks RV Boat UTE UTV 12V
EclatLights$25.9839 rev
Trending
90-day click momentumRonybuy 10Pcs 4 Round Red Led Trailer Lights Trailer Tail Lights 4 Inch 12V Waterproof Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Rubber Grommets & 3-Prong Wire Plugs Included
Ronybuy$49.604.6★
Jamarco 4 Inch Round LED Trailer Tail Lights Red 24 LED 12Pcs 4 Inch Round Led Stop Turn Tail Lights Brake Trailer Lights for RV Trucks Rubber Grommets and 3-Prong Wire Pigtails Included
Jamarco$52.005.0★
Ronybuy 10Pcs 4 Inch Round Led Trailer Tail Lights Red 24 LED Trailer Lights Waterproof 4 Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Include Grommets 3-Prong Wire Plugs
Ronybuy$51.704.4★
Partsam 12Pcs 4 Inch Round Led Trailer Tail Lights Kit Red 24 LED Waterproof 4 Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck RV Boat UTE UTV 12V Grommet Plug Included
Partsam$61.504.6★
Partswcgg 12Pcs 4 Inch Round LED Trailer Tail Lights 24 LED Red Stop Turn Tail Lights Brake Trailer Lights White Backup Reverse Lights w/ 3-Prong Wire Pigtails Plug IP67 Waterproof 12V(8Red+4White)
Partswcgg$50.124.5★
What buyers say about 4 inch led lights for trucks
What buyers praise and complain about, mined from review topics.What buyers love
“Nice and bright”
“The build quality feels solid and durable, and they seem like they will last a long time”
“Looks great can't wait it install”
“price was reasonable”
“Fit great”
“works as advertised”
“They feel durable and work great”
“works great”
“Works great and the added plugs made this even better”
“the IP67 rating gives confidence that these lights are waterproof”
What buyers complain about
“Low quality”
“not bright enough”
“Don't last”
“Not working”
“Do not fit”
“No instruction. wire diagram”
“Minor issue with installation”
“Both lights leaked”
“Hard getting in”
“Not water proof”
Top return reasons
Common questions
- Is 4 inch led lights for trucks profitable to sell on Amazon United States?
- The niche generates $142K/yr across 43 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Worth a look (55/100).
- How competitive is the 4 inch led lights for trucks niche?
- 20 brands and 54 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in 4 inch led lights for trucks?
- Top complaints mined from reviews: Quality-Overall, Brightness/Shine/Glow, Durability. The return rate is 1.8%.
- When does demand for 4 inch led lights for trucks peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the 4 inch led lights for trucks niche?
- Listings span $4.85–$61.50; the average listing price is $31.47 (sweet spot $15–$100). The average incumbent carries 242 reviews — the moat a new listing must climb.