rcj6y spark plug
Worth a lookShows searches that convert (16.7% search→purchase), but a small market ($37K/yr) keeps it on the watch list.
Conversion
Incredible16.7%search→purchase rate — share of searches ending in a sale
Growth
Incredible+112.6%90-day search growth — must beat 0% to launch
Returns
Great1.1%return rate — above 6% kills the launch gate
Review moat
Good611.25avg incumbent reviews — the moat a new listing must climb
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad$8.43avg listing price — sweet spot $15–$100
Price range
Bad$3.92–$16.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$37K$37K/yr · 26K searches
Competition
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
62
Top-5 brand share
79%
Open market
17%
- Champion45%
- Hipa12%
- Adefol9%
- LEFITPA9%
- Yistiun4%
- GULUANT4%
- Open — no brand owns it (6 brands, 17%)
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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Champion Copper Plus Small Engine 852 (RCJ6Y) Pack of 4 (UPC 037551151714)
Champion$15.034.7★1,021 rev
Champion Copper Plus Small Engine 852 (RCJ6Y) Pack of 1 (UPC 037551001040)
Champion$4.944.7★1,021 rev
Hipa BPMR7A Spark Plug for NGK 6703 Champion RCJ6Y RCJ7Y Copper (4 Pack)
Hipa$9.084.6★142 rev
Spark Plug Replacement for NGK BPMR7A L7T and for Champion CJ8 RCJ6Y RCJ7Y & More Types Sparkplug Adefol Spark Plugs Fit for Stihl & Husqvarna Chainsaw Lawnmower Engines
Adefol$5.014.6★2,103 rev
LEFITPA 2 Pack Replacement RCJ6Y Spark Plug for Champion Lawn Mower Models
LEFITPA$8.614.4★58 rev
Newest
by launch date
Yistiun BPMR7A Spark Plug for NGK BPMR7A BPM7A 6703;For Champion RCJ6Y RCJ7Y CJ7Y For Torch LR7TC For Carlton: SPCA6 SPCAR7 For Champion 859 For Dolmar 965603021 For Husqvarna 503235011 503235111
Yistiun$3.924 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$9.9387 rev
GULUANT Replacement RCJ6Y Spark Plug for Champion Lawn Mower Models
GULUANT$5.9925 rev
LEFITPA 2 Pack Replacement RCJ6Y Spark Plug for Champion Lawn Mower Models
LEFITPA$8.6158 rev
Spark Plug Replacement for NGK BPMR7A L7T and for Champion CJ8 RCJ6Y RCJ7Y & More Types Sparkplug Adefol Spark Plugs Fit for Stihl & Husqvarna Chainsaw Lawnmower Engines
Adefol$5.012,103 rev
Trending
90-day click momentumYistiun BPMR7A Spark Plug for NGK BPMR7A BPM7A 6703;For Champion RCJ6Y RCJ7Y CJ7Y For Torch LR7TC For Carlton: SPCA6 SPCAR7 For Champion 859 For Dolmar 965603021 For Husqvarna 503235011 503235111
Yistiun$3.925.0★
Hipa BPMR7A Spark Plug for NGK 6703 Champion RCJ6Y RCJ7Y Copper (4 Pack)
Hipa$9.084.6★
GULUANT Replacement RCJ6Y Spark Plug for Champion Lawn Mower Models
GULUANT$5.994.2★
Champion (2 Pack) Copper Plus Small Engine Spark Plug - CJ6-2PK
Champion$8.944.7★
Champion Copper Plus Small Engine 852 (RCJ6Y) Pack of 1 (UPC 037551001040)
Champion$4.944.7★
Demand & seasonality
Weekly Amazon search volume, last 56 weeks — +112.6% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 3.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Exactly what you expect”
“Good working spark plug”
“Good performance right out of the box”
“Perfect fit”
“Affordability”
“It worked great easy to install”
“Works great”
“Best for 2 cycle engines”
“Good spark”
“Nicely made, Brazil, saw started right up”
What buyers complain about
“Bad plug”
“Using to high temperature range will cause engine overheating and plug fouling”
“Sized smaller than advertised”
“Air filters are not compatible with a Stihl MS250 as stated in the description”
“cheaper and same quality”