Turn Signal Bulb
MaybePrices already span $4.96–$48.90, with room to position. But demand is soft, at -13.5% this quarter, so Turn Signal Bulb is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 7,287 Automotive niches · +1 vs the category median of 4950
- Market size
- $845K/yr948K searches / yr
- 90-day growth
- -13.5%search demand this quarter
- Competition
- 45%top-5 click share · 15 brands · 62 sellers
Flapen Score
Turn Signal Bulb against its category
The dotted line is the Automotive average. Past it, Turn Signal Bulb is stronger. Inside it, weaker.
Market
The Turn Signal Bulb market on Amazon at a glance
Shoppers on Amazon United States searched for Turn Signal Bulb 948K times last year and spent an estimated $845K. The top 5 brands take 79% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 7.0% of those searches ended in a purchase.
Shoppers searched for this 948K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.0% of those searches ended in a purchase. Searches in the last 90 days moved -13.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $845K a year.
- Searches, last 12 months
- 948K
- Growth, 90 days vs prior 90
- -13.5%
- Conversion, latest week
- 7.0%
- Market size, estimated
- $845Ka year
- Peak month
- March1.3× the quietest month
- Top search term
- turn signal bulb245K searches a year
02 · Price
A sale here is worth $12.79.
Listings sell for $12.79 on average, from $4.96 to $48.90. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 1,250 to 1,500 of them. At $12.79 that is $16K to $19K a year per listing.
- Average price
- $12.79under the $15 to $100 sweet spot
- Price range
- $4.96–$48.90
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $16K–$19K
- Returns
- 4.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
73% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #34 within Lights, Bulbs & Indicators. It carries 11,072 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 73%
- Prime listings
- 100%
- Out of stock, average day
- 0.6%
- Average rank
- #34in Lights, Bulbs & Indicators
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 11,072per listing
- Listings tracked
- 37
04 · Newcomers
3 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 37 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 37 months
Products
Top Turn Signal Bulb products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 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
- Price
- $7.18
- Rating
- 4.7/5
- Reviews
- 290
- Age
- 1y ago

SYLVANIA - 4157NA Long Life Miniature - Amber Bulb Ideal for Parking Side Marker and Turn Signal Applications (Contains 2 Bulbs)
- Price
- $7.30
- Rating
- 4.7/5
- Reviews
- 2,258
- Age
- 20y ago

SYLVANIA 3157 Long Life Miniature Bulb (Contains 10 Bulbs) 3157LL.TP
- Price
- $9.88
- Rating
- 4.8/5
- Reviews
- 1,825
- Age
- 13y ago

iBrightstar 3157 LED Bulb Amber 3157a LED Turn Signal Bulbs Super Bright for vehicle Blinker Lights and Turn Signal Lights 2 Pack
- Price
- $15.65
- Rating
- 4.4/5
- Reviews
- 69,021
- Age
- 9y ago

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
- Price
- $9.19
- Rating
- 4.6/5
- Reviews
- 1,210
- Age
- 2y ago
Trending
estimated 90-day click momentum
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)
- Price
- $6.07
- Rating
- 4.5/5
- Reviews
- 41
- Age
- 3mo ago

iBrightstar 1157 LED Bulb Amber BAY15D 2057 2357 7528 LED Turn Signal Bulbs Super Bright for Vehicle Blinker Lights and Turn Signal Lights 2 Pack
- Price
- $15.49
- Rating
- 4.4/5
- Reviews
- 69,021
- Age
- 9y 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)
- Price
- $6.95
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo 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
- Price
- $7.18
- Rating
- 4.7/5
- Reviews
- 290
- Age
- 1y ago

ecocstm 10 PCS 3157 Tail Light Bulb Miniature 4157 Brake Light Bulb Waterproof 3157 4157 Turn Signal Bulb Automotive Side Marker Tail Light Replacement for Truck SUV Car (White)
- Price
- $8.53
- Rating
- 4.5/5
- Reviews
- 490
- Age
- 1y ago
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)
- Price
- $6.07
- Rating
- 4.5/5
- Reviews
- 41
- Age
- 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
- Price
- $18.04
- Rating
- 4.5/5
- Reviews
- 6,881
- Age
- 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)
- Price
- $6.95
- Rating
- 4.4/5
- Reviews
- 140
- Age
- 10mo ago

BYVORS 2 Pack 3157 Bulbs P27/7W 12V Miniature Turn Signal Brake Light Bulbs
- Price
- $8.17
- Rating
- 4.7/5
- Reviews
- 145
- Age
- 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
- Price
- $7.18
- Rating
- 4.7/5
- Reviews
- 290
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 45% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 falling
Sellers
62
Est. top-5 brand share
79%
Top 20: 100%
Est. 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
Turn Signal Bulb search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Turn Signal Bulb search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- turn signal bulb245K/yr
- 3157 bulb155K/yr
- led turn signal bulb98K/yr
- 3157 brake light bulb19K/yr
- front turn signal bulb54K/yr
- blinker bulb44K/yr
- rear turn signal bulb39K/yr
- 315732K/yr
- sylvania 315714K/yr
- signal light bulb23K/yr
Reviews and returns
What reviews say buyers love and hate about Turn Signal Bulb
We read the reviews and the return reasons for every product selling here.
“arent truck compatible”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Turn Signal Bulb questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









