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third brake light bulb

Skip it42/100

a small market ($92K/yr) — third brake light bulb doesn't clear our bar today.

Market/yr

$92K

Growth (1y)

+183.3%

Products

19

Brands

12

was 11 a year ago

Sellers

50

Price range

$6.89–$21.16

Returns

5.3%

Rating

4.5★

42/100

Skip it

Scored 42/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
5
×0.30
Growth
75
×0.30
Competition
41
×0.20
Quality gap
39
×0.10
Returns
57
×0.10

Demand

Weekly Amazon search volume, last 96 weeks — +183.3% year over year.
2K1KSpike '25Sep '24Dec '24Apr '25Aug '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.2×

Competition

41%SYLVANIA
  • SYLVANIA41%
  • ALKOREY15%
  • OSRAM12%
  • Kadiby8%
  • HHZL7%
  • AUXITO6%
  • Other (6 brands)12%

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them. 12 brands and 50 sellers compete here.

Brands

12 rising

was 11 a year ago

Sellers

50

Top 5 brand share

82%

#ProductBrandPriceRatingReviewsClick shareTrend
1
SYLVANIA - 7440 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)SYLVANIA - 7440 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
SYLVANIA$11.624.5★49017%rising
2
ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 PackALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack
ALKOREY$6.984.4★3814%rising
3
SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
SYLVANIA$7.434.6★29912%rising
4
SYLVANIA 7440 Long Life Miniature Bulb (Contains 2 Bulbs)SYLVANIA 7440 Long Life Miniature Bulb (Contains 2 Bulbs)
OSRAM$7.624.6★30812%falling
5
SYLVANIA - 7443 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)SYLVANIA - 7443 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
SYLVANIA$7.364.7★7,6299%falling
6
Kadiby 12 Pack 7440 Bulb T20 W21W Brake/Back Up Reverse/Turn Signal Light Bulbs Mini Long Life White Clear Halogen Lights 7440ll Fit for Accord Civic Odyssey Outlander Rogue Murano RAV4 CR-VKadiby 12 Pack 7440 Bulb T20 W21W Brake/Back Up Reverse/Turn Signal Light Bulbs Mini Long Life White Clear Halogen Lights 7440ll Fit for Accord Civic Odyssey Outlander Rogue Murano RAV4 CR-V
Kadiby$10.574.6★1,2108%falling
7
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(White)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(White)
HHZL$6.894.4★1405%rising
8
AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights Brake Tail Lights T20 7441 7444 LED Replacement Light for Backup Tail Brake DRL Turn Signal Parking Lights 6000K Xenon WhiteAUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights Brake Tail Lights T20 7441 7444 LED Replacement Light for Backup Tail Brake DRL Turn Signal Parking Lights 6000K Xenon White
AUXITO$14.894.4★16,9444%falling
9
BANGO 7443 LED Bulb White Backup Reverse Light 7440 7441 7444 T20 Super Bright for Car LED Back Up Tail Brake Parking Lights 4 PackBANGO 7443 LED Bulb White Backup Reverse Light 7440 7441 7444 T20 Super Bright for Car LED Back Up Tail Brake Parking Lights 4 Pack
BANGO$9.584.4★1,2513%flat
10
AUXITO Upgraded 7440 7443 LED Bulb Red for Tail Lights Brake Lights Super Bright T20 W21W 7441 7444 LED Replacement for Stop Tail Brake Signal Lights Pack of 2AUXITO Upgraded 7440 7443 LED Bulb Red for Tail Lights Brake Lights Super Bright T20 W21W 7441 7444 LED Replacement for Stop Tail Brake Signal Lights Pack of 2
AUXITO$15.614.4★16,9443%falling
11
iFunyLED 10 PCS 7440 Bulb Replacement Light Kit Set for Car Daytime Running Reverse Backup Parking Tail Brake Turn Signal Light BulbiFunyLED 10 PCS 7440 Bulb Replacement Light Kit Set for Car Daytime Running Reverse Backup Parking Tail Brake Turn Signal Light Bulb
iFunyLED$7.924.7★563%rising
12
SYLVANIA - 7440 T20 ZEVO LED White Bulb - Bright LED Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)SYLVANIA - 7440 T20 ZEVO LED White Bulb - Bright LED Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
SYLVANIA$21.164.5★3962%flat
13
iBrightstar 7443 LED Bulb White 7440 LED Reverse Light Bulbs Super Bright for Backup Lights Tail Lights Parking Lights 2 PackiBrightstar 7443 LED Bulb White 7440 LED Reverse Light Bulbs Super Bright for Backup Lights Tail Lights Parking Lights 2 Pack
iBrightstar$12.654.4★69,0212%falling
14
Rafeal Auto 7440 Light Bulb 10 Pack T20 Automotive Brake Light Turn 7440 Miniature Bulb Mini Bulb Taillight Turn Signal Light Replacement for Cars Trucks SUVsRafeal Auto 7440 Light Bulb 10 Pack T20 Automotive Brake Light Turn 7440 Miniature Bulb Mini Bulb Taillight Turn Signal Light Replacement for Cars Trucks SUVs
Rafeal Auto$9.864.3★782%falling
15
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 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$6.954.4★1402%rising

Product shelf

All 19 tracked products in this niche.

SYLVANIA - 7440 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA - 7440 SilverStar Mini Bulb - Brighter and Whiter Light Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA

$11.624.5★490 reviews

ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack

ALKOREY-T20 W21W 7440 Bulb 2700K Warm White 12V 21W 7440 Replacement Bulbs for Back Up Reverse Lights Brake Tail Lights Car Miniature Lamps Ideal for Parking 2 Pack

ALKOREY

$6.984.4★38 reviews

SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA - 7440 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA

$7.434.6★299 reviews

SYLVANIA 7440 Long Life Miniature Bulb (Contains 2 Bulbs)

SYLVANIA 7440 Long Life Miniature Bulb (Contains 2 Bulbs)

OSRAM

$7.624.6★308 reviews

SYLVANIA - 7443 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA - 7443 Long Life Miniature - Bulb Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

SYLVANIA

$7.364.7★7,629 reviews

Kadiby 12 Pack 7440 Bulb T20 W21W Brake/Back Up Reverse/Turn Signal Light Bulbs Mini Long Life White Clear Halogen Lights 7440ll Fit for Accord Civic Odyssey Outlander Rogue Murano RAV4 CR-V

Kadiby 12 Pack 7440 Bulb T20 W21W Brake/Back Up Reverse/Turn Signal Light Bulbs Mini Long Life White Clear Halogen Lights 7440ll Fit for Accord Civic Odyssey Outlander Rogue Murano RAV4 CR-V

Kadiby

$10.574.6★1,210 reviews

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(White)

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(White)

HHZL

$6.894.4★140 reviews

AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights Brake Tail Lights T20 7441 7444 LED Replacement Light for Backup Tail Brake DRL Turn Signal Parking Lights 6000K Xenon White

AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights Brake Tail Lights T20 7441 7444 LED Replacement Light for Backup Tail Brake DRL Turn Signal Parking Lights 6000K Xenon White

AUXITO

$14.894.4★16,944 reviews

Reviews

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

What buyers love

Brightness/Shine/Glow31%

“Super bright”

Size-Overall16%

“OEM fit”

Quality-Overall12%

“Quality looks solid”

Value For Money11%

“Good price”

Advertised Vs Actual Product8%

“As advertised”

Assembly/Installation7%

“Easy install”

Efficiency2%

“Works well”

Durability2%

“Durable”

Ease Of Use1%

“Easy and cost efficient”

Color1%

“Great color”

What buyers complain about

Size-Overall18%

“which I believe are too small”

Compatibility-Overall15%

“The site says they are compatible and they are not”

Brightness/Shine/Glow14%

“Not as bright as expected”

Durability13%

“Short life”

Quality-Overall10%

“Quality control is lacking”

Color2%

“color is darker than OEM”

Assembly/Installation2%

“meaning I have to pay someone two times to install it”

Value For Money2%

“These bulbs cost me $1800”

Functionality-Overall2%

“Canbus decoder didnt help”

Defective Material/Parts2%

“The defective one only 50% of the LEDs would light up”

Top return reasons

  • Size-Overall59%
  • Compatibility-Overall18%
  • Advertised Vs Actual Product5%
  • Functionality-Overall4%
  • Defective Material/Parts3%
  • Color2%
  • Brightness/Shine/Glow2%
  • Value For Money2%
  • Socket/Port/Plug1%
  • Assembly/Installation1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.74 median price · 2.3% median returns across 14,634 tracked niches.