--- title: "turn signal assembly — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/turn-signal-assembly" last_updated: "2026-07-10T02:39:12.220Z" locale: en meta: description: "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." "og:description": "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." "og:title": "turn signal assembly — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen" --- Back to Flapen home # **turn signal assembly** **Worth a look****56/100 ** 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★** **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. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.6× ## **Competition** - 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 1 ![iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack](https://m.media-amazon.com/images/I/51-6GQ9k0wL.jpg) [**iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack**](https://www.amazon.com/dp/B06WD7Z4R7) iBrightstar$15.654.4★69,0214%▼falling 2 ![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](https://m.media-amazon.com/images/I/51zgmJNpCdL.jpg) [**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**](https://www.amazon.com/dp/B0B17W1W46) Partsam$16.464.5★8063%—flat 3 ![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](https://m.media-amazon.com/images/I/51g8VEycMGL.jpg) [**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**](https://www.amazon.com/dp/B07QWVSWD2) Partsam$21.814.3★3732%▲rising 4 ![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](https://m.media-amazon.com/images/I/51RyGssRQoL.jpg) [**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**](https://www.amazon.com/dp/B0C3GJKWK1) iFunyLED$13.784.4★3502%▲rising 5 ![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](https://m.media-amazon.com/images/I/41SEzafALHL.jpg) [**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**](https://www.amazon.com/dp/B0D2HRMDVK) SEALIGHT$19.744.5★15,2142%▼falling 6 ![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](https://m.media-amazon.com/images/I/51Ofd7cQhWL.jpg) [**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**](https://www.amazon.com/dp/B0CLP5Z8LN) AUXITO$33.494.5★35,9332%▲rising 7 ![SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)](https://m.media-amazon.com/images/I/41fhJ0bd-ML.jpg) [**SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)**](https://www.amazon.com/dp/B01FWODQ1S) SYLVANIA$7.304.7★2,2582%▲rising 8 ![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](https://m.media-amazon.com/images/I/51NElZ-F4PL.jpg) [**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**](https://www.amazon.com/dp/B0CLXZCV1R) iFunyLED$10.164.3★3,1492%—flat 9 ![SEALIGHT 3156 3157 LED Bulb Amber Turn Signal Lights with Extra Resistor HD Projector 3056 3457A 4057 4157 LED Light Bulb Replacement for Front Rear Turn Signal Blinker Parking Marker Light 2PCs](https://m.media-amazon.com/images/I/51YRXiXbLwL.jpg) [**SEALIGHT 3156 3157 LED Bulb Amber Turn Signal Lights with Extra Resistor HD Projector 3056 3457A 4057 4157 LED Light Bulb Replacement for Front Rear Turn Signal Blinker Parking Marker Light 2PCs**](https://www.amazon.com/dp/B0D2HRGVGD) SEALIGHT$19.574.5★15,2142%—flat 10 ![TIANWIDJEW 12V LED Indicator Small Light Waterproof 1/2(12mm) Panel Cutout 12V 24V Metal LED Indicator with 22AWG 150MM Wire - High Beam Single Arrow Left/Right Parking Indicat-or 4PCS](https://m.media-amazon.com/images/I/41owtduJdAL.jpg) [**TIANWIDJEW 12V LED Indicator Small Light Waterproof 1/2(12mm) Panel Cutout 12V 24V Metal LED Indicator with 22AWG 150MM Wire - High Beam Single Arrow Left/Right Parking Indicat-or 4PCS**](https://www.amazon.com/dp/B0D1GKSNPX) TIANWIDJEW$9.704.6★3112%▲rising 11 ![AUXITO 7443 LED Bulb Amber Yellow Turn Signal Light 7440 7441 7444 T20 Super Bright for Rear Front Blinker Turn Signal Marker Parking Light Pack of 2](https://m.media-amazon.com/images/I/51jnXYkbCQL.jpg) [**AUXITO 7443 LED Bulb Amber Yellow Turn Signal Light 7440 7441 7444 T20 Super Bright for Rear Front Blinker Turn Signal Marker Parking Light Pack of 2**](https://www.amazon.com/dp/B0FM2PYWCQ) AUXITO$16.204.6★11,0132%▲rising 12 ![iFunyLED 4PCS 3157 LED Bulb Turn Signal Light 12V-24V Super Bright 3156 3056 3057 3047 4157 LED Replacement Light Kit Set for Car Tail Brake Turn Signal Blinker Lights - Amber Yellow](https://m.media-amazon.com/images/I/515Ckt0xSGL.jpg) [**iFunyLED 4PCS 3157 LED Bulb Turn Signal Light 12V-24V Super Bright 3156 3056 3057 3047 4157 LED Replacement Light Kit Set for Car Tail Brake Turn Signal Blinker Lights - Amber Yellow**](https://www.amazon.com/dp/B0CLXYT4MR) iFunyLED$10.354.3★3,1492%▼falling 13 ![Benlari 1157 LED Turn Signals Front Rear 81 LED Lights Super Bright 1156 Bulbs Lens Kit 1986-2024 Compatible for Harley Davidson Touring Dyna Softail Sportster Street Glide Road Glide Iron 883 1200](https://m.media-amazon.com/images/I/51ELhoE0T2L.jpg) [**Benlari 1157 LED Turn Signals Front Rear 81 LED Lights Super Bright 1156 Bulbs Lens Kit 1986-2024 Compatible for Harley Davidson Touring Dyna Softail Sportster Street Glide Road Glide Iron 883 1200**](https://www.amazon.com/dp/B099KMW72B) Benlari$51.754.4★2,3272%—flat 14 ![HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(Amber)](https://m.media-amazon.com/images/I/516vou2dqWL.jpg) [**HHZL T20 7440A WY21W Turn Signal Bulb Daytime Running Light Blinker Brake Light Bulbs 10PCS Monofilament Side Marker Lights Mini Taillight 7440 Bulb Replacement for Cars Trucks SUVs(Amber)**](https://www.amazon.com/dp/B0FMYFFV9Q) HHZL$6.954.4★1401%▲rising 15 ![TRUE MODS 2pc 3/4 Inch Round Amber Trailer 12V LED Marker Light [3 Wire/DRL & Turn Signal] [DOT FMVSS 108] [SAE P2PC] [Semi-Spherical Output] [IP67 Waterproof] Small Markers for Trailer Truck](https://m.media-amazon.com/images/I/51KOoOMN5NL.jpg) [**TRUE MODS 2pc 3/4 Inch Round Amber Trailer 12V LED Marker Light \[3 Wire/DRL & Turn Signal\] \[DOT FMVSS 108\] \[SAE P2PC\] \[Semi-Spherical Output\] \[IP67 Waterproof\] Small Markers for Trailer Truck**](https://www.amazon.com/dp/B096J2T74B) ONLINE LED STORE$10.054.7★6311%▲rising **~~Showing 15 of 170 — show all ~~** ## **Product shelf** All 170 tracked products in this niche. Top sellersNewestTrending [![iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack](https://m.media-amazon.com/images/I/51-6GQ9k0wL.jpg)**iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack** iBrightstar**$15.65**4.4★69,021 reviews](https://www.amazon.com/dp/B06WD7Z4R7) [![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](https://m.media-amazon.com/images/I/51zgmJNpCdL.jpg)**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**$16.46**4.5★806 reviews](https://www.amazon.com/dp/B0B17W1W46) [![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](https://m.media-amazon.com/images/I/51g8VEycMGL.jpg)**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**$21.81**4.3★373 reviews](https://www.amazon.com/dp/B07QWVSWD2) [![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](https://m.media-amazon.com/images/I/51RyGssRQoL.jpg)**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**$13.78**4.4★350 reviews](https://www.amazon.com/dp/B0C3GJKWK1) [![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](https://m.media-amazon.com/images/I/41SEzafALHL.jpg)**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**$19.74**4.5★15,214 reviews](https://www.amazon.com/dp/B0D2HRMDVK) [![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](https://m.media-amazon.com/images/I/51Ofd7cQhWL.jpg)**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**$33.49**4.5★35,933 reviews](https://www.amazon.com/dp/B0CLP5Z8LN) [![SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)](https://m.media-amazon.com/images/I/41fhJ0bd-ML.jpg)**SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)** SYLVANIA**$7.30**4.7★2,258 reviews](https://www.amazon.com/dp/B01FWODQ1S) [![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](https://m.media-amazon.com/images/I/51NElZ-F4PL.jpg)**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**$10.16**4.3★3,149 reviews](https://www.amazon.com/dp/B0CLXZCV1R) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Brightness/Shine/Glow**31% *“Extremely bright”* **Quality-Overall**13% *“Quality looks solid”* **Size-Overall**13% *“Fits just like oem”* **Assembly/Installation**9% *“Easy set up”* **Value For Money**8% *“Best value”* **Advertised Vs Actual Product**5% *“Exactly as described”* **Efficiency**3% *“they have always performed great”* **Ease Of Use**2% *“Easy to use”* **Durability**2% *“I didnt break any”* **Color**1% *“The color will match”* ### **What buyers complain about ** **Durability**16% *“Durability is very bad”* **Size-Overall**10% *“Too small”* **Compatibility-Overall**10% *“Not compatible”* **Quality-Overall**10% *“the overall build quality isnt very impressive”* **Brightness/Shine/Glow**8% *“Not super bright”* **Functionality-Overall**7% *“Does not work properly”* **Advertised Vs Actual Product**4% *“Does not match description”* **Value For Money**2% *“often cheaper option on things”* **Assembly/Installation**2% *“gromet pulled out during instalation”* **Defective Material/Parts**2% *“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%