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

The niche generates $845K/yr across 37 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Worth a look (50/100).

How competitive is the turn signal bulb niche?

15 brands and 62 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in turn signal bulb?

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

When does demand for turn signal bulb peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

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

Listings span $4.96–$48.90; the average listing price is $12.79 (sweet spot $15–$100). The average incumbent carries 11,072 reviews — the moat a new listing must climb.

turn signal bulb

Worth a look

Shows sweet-spot pricing room ($4.96–$48.90), but soft demand (-13.5% this quarter) keeps it on the watch list.

Price range

Great$4.96–$48.90

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

Market size

Good$845K

$845K/yr · 948K searches

Conversion

Good7.0%

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

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Avg price

Good$12.79

avg listing price — sweet spot $15–$100

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay4.2%

return rate — above 5% kills the launch gate

Review moat

Bad11,072.38

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.5%

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

According to Flapen's Amazon United States niche tracking, turn signal bulb is a $845K/yr Amazon United States market (948K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 50/100.

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

turn signal bulb market data

Units sold / yr: 60K–80K; avg 1,250–1,500/product
Revenue / yr: $767K–$1.0M; units × avg price
Conversion rate: 7.0%
Avg BSR: #34
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.6%
Avg brand age: 37 months
Avg seller age: 167 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

45%

Top 20: 81%

Open market

16%

SYLVANIA32%
Kadiby23%
iBrightstar12%
SEALIGHT6%
AUXITO6%
iFunyLED4%
Open — no brand owns it (9 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top turn signal bulb search terms

turn signal bulb245K/yr -18.8%2.8% conv.
3157 bulb155K/yr -19.1%11.2% conv.
led turn signal bulb98K/yr -16.5%1.7% conv.
3157 brake light bulb19K/yr +373.0%11.7% conv.
front turn signal bulb54K/yr -26.3%3.0% conv.
blinker bulb44K/yr -18.8%4.1% conv.
rear turn signal bulb39K/yr -17.8%2.7% conv.
315732K/yr -8.2%7.1% conv.
sylvania 315714K/yr +66.1%10.4% conv.
signal light bulb23K/yr -25.8%2.1% conv.

All search terms

Top turn signal 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.

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

Kadiby 2 Pack 3157 4157 Bulb Brake/Tail/Turn Signal Light/DRL(Daytime Running Lights) 3157ll 12V P27/7W 3047 3057 4057 4114 Trailer Bulbs Fit for F150 Focus Altima Silverado Jeep Cherokee

Kadiby$7.184.7★290 rev

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 rev

SYLVANIA 3157 Long Life Miniature Bulb (Contains 10 Bulbs) 3157LL.TP

SYLVANIA$9.884.8★1,825 rev

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

Kadiby 12 Pack 3157 Bulb 4157 Bulbs T25 P27/7W 3057 3157LL 4057 3047 Brake/Tail/Turn Signal Auto Light Bulbs fit for Jeep Grand Cherokee Ford F-Series Ram Pickup Corolla Silverado

Kadiby$9.194.6★1,210 rev

Newest

by launch date

GIVEDOUA 3157 4157 Bulb 12V Brake/Tail/Turn Signal/DRL Lights P27/7W 3157NA 3157LL 3047 3057 4057 T25 Replacement for F150 Ranger Edge Focus Altima Silverado Wrangler Grand Cherokee Compass(2 Pack)

GIVEDOUA$6.0741 rev

3mo ago

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

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

BYVORS 2 Pack 3157 Bulbs P27/7W 12V Miniature Turn Signal Brake Light Bulbs

BYVORS$8.17145 rev

1y ago

Kadiby 2 Pack 3157 4157 Bulb Brake/Tail/Turn Signal Light/DRL(Daytime Running Lights) 3157ll 12V P27/7W 3047 3057 4057 4114 Trailer Bulbs Fit for F150 Focus Altima Silverado Jeep Cherokee

Kadiby$7.18290 rev

1y ago

What buyers say about turn signal bulb

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

What buyers love

Brightness/Shine/Glow33%

“Excellent lighting”

Size-Overall15%

“OEM fit”

Value For Money11%

“Best value”

Quality-Overall11%

“Good quality lights”

Advertised Vs Actual Product7%

“Works as intended”

Assembly/Installation7%

“Installed easy and came on time”

Efficiency4%

“It performs well in everyday driving conditions”

Color2%

“They white color looks amazing”

Durability1%

“Seems durable”

Ease Of Use1%

“Easy to use”

What buyers complain about

Compatibility-Overall19%

“arent truck compatible”

Durability16%

“Didnt last”

Size-Overall13%

“Dont fit my truck”

Brightness/Shine/Glow7%

“Too bright”

Functionality-Overall7%

“Doesnt work”

Quality-Overall7%

“You would expect better quality fro a 14$ bulb”

Advertised Vs Actual Product4%

“Not as advertised”

Value For Money4%

“A bit disappointed considering the cost per bulb”

Color2%

“the Amber color is too light needs to be a more orange color in my opinion”

Socket/Port/Plug1%

“I ended up breaking my socket when removing it to send back”

Top return reasons

Size-Overall49%

Compatibility-Overall20%

Functionality-Overall7%

Advertised Vs Actual Product6%

Defective Material/Parts4%

Color3%

Assembly/Installation2%

Socket/Port/Plug2%

Brightness/Shine/Glow2%

Value For Money2%

Common questions

Is turn signal bulb profitable to sell on Amazon United States?: The niche generates $845K/yr across 37 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Worth a look (50/100).
How competitive is the turn signal bulb niche?: 15 brands and 62 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in turn signal bulb?: Top complaints mined from reviews: Compatibility-Overall, Durability, Size-Overall. The return rate is 4.2%.
When does demand for turn signal bulb peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the turn signal bulb niche?: Listings span $4.96–$48.90; the average listing price is $12.79 (sweet spot $15–$100). The average incumbent carries 11,072 reviews — the moat a new listing must climb.