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turn signal assembly

Worth a look56/100

turn signal assembly shows a fragmented shelf (top 5 take 14% of clicks), but a small market ($122K/yr) keeps it on the watch list.

Market/yr

$122K

Growth (1y)

+181.9%

Products

170

Brands

85

was 87 a year ago

Sellers

156

Price range

$5.67–$104.62

Returns

4.2%

Rating

4.4★

56/100

Worth a look

Scored 56/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
6
×0.30
Growth
75
×0.30
Competition
100
×0.20
Quality gap
50
×0.10
Returns
67
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +181.9% year over year.
8K4KSpike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.6×

Competition

8%Partsam
  • Partsam8%
  • AUXITO8%
  • iFunyLED6%
  • iBrightstar6%
  • SEALIGHT6%
  • ONLINE LED STORE5%
  • Other (79 brands)62%

Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen. 85 brands and 156 sellers compete here.

Brands

85 falling

was 87 a year ago

Sellers

156

Top 5 brand share

34%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 170 tracked products in this niche.

iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack

iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack

iBrightstar

$15.654.4★69,021 reviews

Partsam 2Pcs 4.4 Amber 24 LED Turn Signal Side Marker Lights [DOT Approved] IP67 Waterproof Amber Lens Aluminum Housing Surface Mount Marker Lights for Trailer Truck Tractor RV

Partsam 2Pcs 4.4 Amber 24 LED Turn Signal Side Marker Lights [DOT Approved] IP67 Waterproof Amber Lens Aluminum Housing Surface Mount Marker Lights for Trailer Truck Tractor RV

Partsam

$16.464.5★806 reviews

Partsam 2Pcs 6 Oval Arrow Turn Signal Lights Truck Trailer Amber 25LED Surface Mount Smoke Lens Waterproof Sealed Led Marker Clearance Lights Indicators Flange Mount 12V

Partsam 2Pcs 6 Oval Arrow Turn Signal Lights Truck Trailer Amber 25LED Surface Mount Smoke Lens Waterproof Sealed Led Marker Clearance Lights Indicators Flange Mount 12V

Partsam

$21.814.3★373 reviews

iFunyLED 2PCS Flowing LED Motorcycle Turn Signal Lights Aluminum Alloy 12V Super Bright Motorbike Front Rear Blinkers Indicators Fit for Harley Honda KTM Kawasaki Suzuki Yamaha - Amber

iFunyLED 2PCS Flowing LED Motorcycle Turn Signal Lights Aluminum Alloy 12V Super Bright Motorbike Front Rear Blinkers Indicators Fit for Harley Honda KTM Kawasaki Suzuki Yamaha - Amber

iFunyLED

$13.784.4★350 reviews

SEALIGHT 7443 7440 LED Bulb Amber Turn Signal Lights T20 7441 7444 992 W21W LED Light Bulb with Projector Len and Need Extra Load Resistor Includes Additional Decoders Pack of 2

SEALIGHT 7443 7440 LED Bulb Amber Turn Signal Lights T20 7441 7444 992 W21W LED Light Bulb with Projector Len and Need Extra Load Resistor Includes Additional Decoders Pack of 2

SEALIGHT

$19.744.5★15,214 reviews

AUXITO Latest CANBUS 3157 Switchback LED Bulbs 3057 3457 4157 Dual Color Amber/White Anti Hyper Flash Built-in Resistor Error Free Turn Signal Lights and DRL/Parking Lights Pack of 2

AUXITO Latest CANBUS 3157 Switchback LED Bulbs 3057 3457 4157 Dual Color Amber/White Anti Hyper Flash Built-in Resistor Error Free Turn Signal Lights and DRL/Parking Lights Pack of 2

AUXITO

$33.494.5★35,933 reviews

SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)

SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)

SYLVANIA

$7.304.7★2,258 reviews

iFunyLED 4PCS 1157 LED Bulb Turn Signal Light 12V-24V Super Bright 2357 2057 7528 BAY15D LED Replacement Light Kit Set for Car Turn Signal Blinker Lights - Amber Yellow

iFunyLED 4PCS 1157 LED Bulb Turn Signal Light 12V-24V Super Bright 2357 2057 7528 BAY15D LED Replacement Light Kit Set for Car Turn Signal Blinker Lights - Amber Yellow

iFunyLED

$10.164.3★3,149 reviews

Reviews

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

What buyers love

Brightness/Shine/Glow31%

“Extremely bright”

Quality-Overall13%

“Quality looks solid”

Size-Overall13%

“Fits just like oem”

Assembly/Installation9%

“Easy set up”

Value For Money8%

“Best value”

Advertised Vs Actual Product5%

“Exactly as described”

Efficiency3%

“they have always performed great”

Ease Of Use2%

“Easy to use”

Durability2%

“I didnt break any”

Color1%

“The color will match”

What buyers complain about

Durability16%

“Durability is very bad”

Size-Overall10%

“Too small”

Compatibility-Overall10%

“Not compatible”

Quality-Overall10%

“the overall build quality isnt very impressive”

Brightness/Shine/Glow8%

“Not super bright”

Functionality-Overall7%

“Does not work properly”

Advertised Vs Actual Product4%

“Does not match description”

Value For Money2%

“often cheaper option on things”

Assembly/Installation2%

“gromet pulled out during instalation”

Defective Material/Parts2%

“Defects”

Top return reasons

  • Size-Overall45%
  • Compatibility-Overall19%
  • Functionality-Overall8%
  • Advertised Vs Actual Product5%
  • Defective Material/Parts4%
  • Brightness/Shine/Glow3%
  • Color3%
  • Assembly/Installation3%
  • Socket/Port/Plug2%
  • Value For Money2%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.