genuine honda spark plugs
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible21.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.2%return rate — above 6% kills the launch gate
Growth
Good+50.3%90-day search growth — must beat 0% to launch
Review moat
Good1,045.88avg incumbent reviews — the moat a new listing must climb
Market size
Okay$228K$228K/yr · 108K searches
Avg price
Okay$9.90avg listing price — sweet spot $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad86%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$6.71–$15.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
54
Top-5 brand share
100%
Open market
0%
- NGK61%
- Hipa24%
- Honda15%
- Open — no brand owns it (0%)
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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NGK Spark Plug Standard BPR5ES - Pack of 2
NGK$9.444.8★1,029 rev
BPR5ES Spark Plug for NGK 7734 Honda 98079-55846 Torch F5RTC 2 Pack
Hipa$8.264.5★101 rev
Genuine Honda OEM Spark Plug 98079-55846 (NGK BPR5ES) Honda & other small engines
Honda$6.714.8★2,276 rev
BPR5ES Spark Plug for NGK 7734 Honda 98079-55846 98079-55876 TORCH F5RTC
Hipa$11.044.3★48 rev
NGK 4006 Standard Spark Plug BPR5ES Compatible with Select Classic Vehicles (1961-1994) and Various Cub Cadet John Deere and Kawasaki UTVs (1 Pack)
NGK$7.244.8★3,122 rev
Newest
by launch dateBPR5ES Spark Plug for NGK 7734 Honda 98079-55846 Torch F5RTC 2 Pack
Hipa$8.26101 rev
BPR5ES Spark Plug for NGK 7734 Honda 98079-55846 98079-55876 TORCH F5RTC
Hipa$11.0448 rev
NGK Spark Plug BPR5ES- Set of 4 (BPR5ESX4)
NGK$14.381,024 rev
NGK Spark Plug Standard BPR5ES - Pack of 2
NGK$9.441,029 rev
NGK 4006 Standard Spark Plug BPR5ES Compatible with Select Classic Vehicles (1961-1994) and Various Cub Cadet John Deere and Kawasaki UTVs (1 Pack)
NGK$7.243,122 rev
Trending
90-day click momentumBPR5ES Spark Plug for NGK 7734 Honda 98079-55846 98079-55876 TORCH F5RTC
Hipa$11.044.3★
Honda Genuine OEM 98079-55846 Spark Plug BPR5ES; Replaces 98079-55876
Honda$7.154.8★
BPR5ES Spark Plug for NGK 7734 Honda 98079-55846 Torch F5RTC 2 Pack
Hipa$8.264.5★
NGK Spark Plug Standard BPR5ES - Pack of 2
NGK$9.444.8★
NGK (7734-4PK) BPR5ES Standard Spark Plug Box of 4
NGK$15.014.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +50.3% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 3.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“NGK spark plugs work great”
“Fits well”
“Worked as advertised”
“Reliable OEM Quality – Works Great”
“The price was fair”
“These last all season no problems”
“Well, these are spark plus and after installing my mower actually ran”
“finds these plugs easy to install”
“Right sparkplug for a small Honda engine in my push mower”
“Worked Perfect”
What buyers complain about
“Does not fit for John Deere 318”
“Except for the misleading description”
“TERRIBLE SELLER that I will never buy from again”
“Had very low power so I tried the spark plug first”
“none of it is cheap”