rcj7y spark plug
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
Incredible0.7%return rate — above 6% kills the launch gate
Review moat
Good967.43avg incumbent reviews — the moat a new listing must climb
Growth
Good+35.8%90-day search growth — must beat 0% to launch
Price range
Good$3.90–$28.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$11.68avg listing price — sweet spot $15–$100
Market size
Okay$242K$242K/yr · 97K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 flat
Sellers
61
Top-5 brand share
100%
Open market
0%
- NGK88%
- Wetenex7%
- Hipa5%
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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NGK (6703) BPMR7A Spark Plugs Individual Boxed - 2 Pack Copper
NGK$8.854.8★2,434 rev
NGK (6703) BPMR7A SOLID Standard Spark Plug Pack of 4
NGK$14.174.8★1,141 rev
NGK Spark Plug BPMR7A
NGK$6.934.7★477 rev
BPMR7A Spark Plug for NGK BPMR7A BPM7A Champion RCJ6Y RCJ7Y Torch LR7TC Sthil MS170 MS180 026 MS250 MS240 MS260 MS361 MS290 Chainsaw 4 PACK
Wetenex$9.934.4★87 rev
Hipa BPMR7A Spark Plug for NGK 6703 Champion RCJ6Y RCJ7Y Copper (4 Pack)
Hipa$9.084.6★142 rev
Newest
by launch dateBPMR7A Spark Plug for NGK BPMR7A BPM7A Champion RCJ6Y RCJ7Y Torch LR7TC Sthil MS170 MS180 026 MS250 MS240 MS260 MS361 MS290 Chainsaw 4 PACK
Wetenex$9.9387 rev
Hipa BPMR7A Spark Plug for NGK 6703 Champion RCJ6Y RCJ7Y Copper (4 Pack)
Hipa$9.08142 rev
NGK (6703) BPMR7A Spark Plugs Individual Boxed - 2 Pack Copper
NGK$8.852,434 rev
NGK (6703) BPMR7A SOLID Standard Spark Plug Pack of 4
NGK$14.171,141 rev
NGK (6703) BPMR7A SOLID Standard Spark Plug Pack of 1
NGK$3.902,364 rev
Trending
90-day click momentumHipa BPMR7A Spark Plug for NGK 6703 Champion RCJ6Y RCJ7Y Copper (4 Pack)
Hipa$9.084.6★
NGK Spark Plug BPMR7A
NGK$6.934.7★
NGK (6703) BPMR7A SOLID Standard Spark Plug Pack of 4
NGK$14.174.8★
NGK (6703) BPMR7A Spark Plugs Individual Boxed - 2 Pack Copper
NGK$8.854.8★
NGK (6703) BPMR7A SOLID Standard Spark Plug Pack of 1
NGK$3.904.8★
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +35.8% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Exactly what you expect”
“Plugs are good”
“Good quality replacement as advertised”
“Good price”
“Good fit and price”
“Work perfect in my Ryobi 2 Cycles Leaf Blower”
“Nicely made, Brazil, saw started right up”
“they look right”
“Best for 2 cycle engines”
“Installation was straightforward – perfect fit with no issues”
What buyers complain about
“Dead”
“2 out of 4 sparkplugs bad right out of box”
“Air filters are not compatible with a Stihl MS250 as stated in the description”