headlight wiring harness
Skip itSoft demand (-31.4% this quarter) — this niche doesn't clear our bar today.
Brand share
Great45%top-5 brand share — no brand owns this niche
Competition
Great35%top-5 click share — an open shelf
Review moat
Good600.49avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.81–$29.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.8%return rate — above 6% kills the launch gate
Avg price
Okay$11.88avg listing price — sweet spot $15–$100
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$72K$72K/yr · 157K searches
Growth
Bad-31.4%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
28 falling
Sellers
62
Top-5 brand share
45%
Open market
51%
- iBrightstar17%
- Dorman9%
- YGDMD7%
- RLP7%
- HHZL5%
- DAYMAKER5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 37 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
iBrightstar H11 H9 H8 880 881 Female Nylon Adapter Wiring Harness Sockets Wire for Headlights or Fog Lights
iBrightstar$6.064.6★6,462 rev

Headlight Wiring Harness Assembly Headlamp Socket Compatible with 2008-2014 Chevy Silverado 1500 2500HD 3500HD Replaces 645-745 15841609 25962806
RLP$17.244.4★174 rev

Dorman 84790 High Temperature Headlamp Standard Socket Compatible with Select Models 2 Pack
Dorman$11.114.6★1,857 rev

9008 H13 Female Socket Plug Wire Harness Adapter Connector for H13LL Headlights Lamps Bulbs (2pcs/pk)
DAYMAKER$7.034.5★489 rev

2PCS H4 Headlight Connector 12V 18AWG Headlight Socket with Headlight Pigtail for Replacement Broken Male/Female Headlight Connector 3-Pin Connector for Most Trucks Cars (Female/2PCS)
YGDMD$5.914.7★34 rev
Newest
by launch date
Headlight Wiring Harness with Terminals Pratical Headlight Connector Plug Compatible with Dodge Jeep Ram Headlights Socket Harness Car Accessories Replace OEM#68064997AA (1PC)
Figpade$7.1745 rev

2 PCS H11 H9 H8 880 881 Female Adapter Wiring Harness Sockets Wire Fog Light Connector Plug with Wire Waterproof Pigtail Adapter Plug Replacement for Headlights Fog Lights High Low Beam Bulb
Sixzoo$5.0723 rev

KVAEY 2 PCS Wiring Harness Headlight Socket 9005 9006 HB3 HB4 Female Adapter Wiring Harness Plug Replacement Nylon Pigtail Wire Connector for Headlight Fog Light Car Accessories
KVAEY$5.3874 rev

HHZL Headlight Connector Plug Fog Light Headlight Wiring Harness Pigtail Sockets Female Adapter Kit for 9005 9006 9012 HB3 HB4 Headlamp Wire Harness Plug Socket Connector for Car Accessories (2PCS)
HHZL$5.1876 rev

AUXLIGHT H11 H9 H8 880 881 Female Nylon Pigtail Wiring Harness for Headlight or Fog Lights Premium Connector Socket Adapter (Pack of 4)
AUXLIGHT$7.1051 rev
Trending
90-day click momentum
2 PCS H11 H9 H8 880 881 Female Adapter Wiring Harness Sockets Wire Fog Light Connector Plug with Wire Waterproof Pigtail Adapter Plug Replacement for Headlights Fog Lights High Low Beam Bulb
Sixzoo$5.074.4★

HHZL Headlight Connector Plug Fog Light Headlight Wiring Harness Pigtail Sockets Female Adapter Kit for 9005 9006 9012 HB3 HB4 Headlamp Wire Harness Plug Socket Connector for Car Accessories (2PCS)
HHZL$5.184.5★

HHZL H4 Headlight Wire Socket Connector 3 Wire Way Male/Female Headlight Power Plug Waterproof Wiring Harness Sockets Connector Light Holder Wiring Pigtail Plug Adapter for Most Car (Female/2PCS)
HHZL$6.074.2★

Headlight Wiring Harness with Terminals Pratical Headlight Connector Plug Compatible with Dodge Jeep Ram Headlights Socket Harness Car Accessories Replace OEM#68064997AA (1PC)
Figpade$7.174.4★

KVAEY 2 PCS Wiring Harness Headlight Socket 9005 9006 HB3 HB4 Female Adapter Wiring Harness Plug Replacement Nylon Pigtail Wire Connector for Headlight Fog Light Car Accessories
KVAEY$5.384.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -31.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“fit as described”
“Excellent product”
“As advertised”
“easy hook up”
“After two failures of plastic connectors in two months the ceramic connector is working fine”
“Solid product at a good price”
“Decent plug”
“Easy”
“Very easy to connect it”
“Headlights were brighter”
What buyers complain about
“Did not fit my car”
“Poor quality construction”
“Not compatible”
“Plug is loose fitting”
“Failed within a week”
“Like no joke- its made of weird cheap material”
“there was not enough room install it the usual way”
“Did not work”
“DOES NOT FIT a 2014 Toyota Rav4 as advertised”
“More brittle than the 11 year old oem part I was replacing”