Is turn signal assembly profitable to sell on Amazon United States?

The niche generates $122K/yr across 170 tracked products. 4 of 13 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Worth a look (52/100).

How competitive is the turn signal assembly niche?

85 brands and 156 sellers compete. The top 5 products take 14% of clicks and top 5 brands hold 34% of demand.

What do buyers complain about in turn signal assembly?

Top complaints mined from reviews: Durability, Size-Overall, Compatibility-Overall. The return rate is 4.2%.

When does demand for turn signal assembly peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the turn signal assembly niche?

Listings span $5.67–$104.62; the average listing price is $25.03 (sweet spot $15–$100). The average incumbent carries 3,856 reviews — the moat a new listing must climb.

turn signal assembly

Worth a look

Shows a fragmented shelf (top 5 take 14% of clicks), but soft demand (-14.9% this quarter) keeps it on the watch list.

Competition

Incredible14%

top-5 click share — an open shelf

Brand share

Incredible34%

top-5 brand share — no brand owns this niche

Avg price

Incredible$25.03

avg listing price — sweet spot $15–$100

Price range

Great$5.67–$104.62

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay4.2%

return rate — above 5% kills the launch gate

Market size

Okay$122K

$122K/yr · 321K searches

Review moat

Okay3,856.42

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.5%

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

Growth

Bad-14.9%

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, turn signal assembly is a $122K/yr Amazon United States market (321K searches/yr). The top 5 brands hold 34% of demand. Verdict: Worth a look — 52/100.

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

turn signal assembly market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: $125K–$150K; units × avg price
Conversion rate: 1.5%
Avg BSR: #182
Page quality: 0%
Prime: 94%
Sponsored: 78%
Out of stock: 0.3%
Avg brand age: 46 months
Avg seller age: 172 days

Competition & brand share

Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen.

Brands

85 falling

Sellers

156

Top-5 brand share

34%

Top 20: 69%

Top-5 click share

14%

Top 20: 37%

Open market

62%

Partsam8%
AUXITO8%
iFunyLED6%
iBrightstar6%
SEALIGHT6%
ONLINE LED STORE5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top turn signal assembly search terms

turn signal assembly65K/yr -38.9%0.5% conv.
turn signal light39K/yr +4.2%1.1% conv.
led turn signal lights36K/yr -31.5%0.7% conv.
automotive signal light assemblies21K/yr +12.3%0.1% conv.
front turn signal assembly17K/yr -4.5%0.7% conv.
blinker16K/yr +3.2%0.4% conv.
turn signal lights16K/yr -0.8%1.1% conv.
signal light16K/yr -22.8%0.4% conv.
front turn signal12K/yr -0.7%0.7% conv.
turn signal lens10K/yr -4.0%0.3% conv.

All search terms

Top turn signal assembly 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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 rev

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 rev

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 rev

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 rev

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 rev

Newest

by launch date

SEALIGHT Turn Signal Light Bulbs 3157 LED Bulb Amber 700% Brighter 3157A 3156 3057 4157 LED Bulb 57-SMD LED Chipset with Projector Len & Load Resistor for Turn Signal Light Parking Light 2Pcs

SEALIGHT$18.046,881 rev

9mo ago

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

AUXITO$16.2011,013 rev

10mo ago

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)

HHZL$6.95140 rev

10mo ago

AUXITO 2025 Latest CANBUS 7440 7443 LED Bulbs Amber Yellow with Built-in Resistor Anti Hyper Flash 7440NA 7441 7444 7444NA W21W WY21W Error Free LED Front Rear Turn Signal Lights Pack of 2

AUXITO$34.2835,933 rev

1y ago

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$19.7415,214 rev

2y ago

What buyers say about turn signal assembly

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%