ngk cmr6h
Worth a lookShows searches that convert (21.6% search→purchase), but a concentrated shelf (top 5 take 81% of clicks) keeps it on the watch list.
Conversion
Incredible21.6%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 6% kills the launch gate
Growth
Great+67.5%90-day search growth — must beat 0% to launch
Price range
Good$4.18–$45.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good570avg incumbent reviews — the moat a new listing must climb
Avg price
Good$14.27avg listing price — sweet spot $15–$100
Market size
Okay$202K$202K/yr · 66K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad81%top-5 click share — a locked-up shelf
Competition
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
56
Top-5 brand share
91%
Open market
6%
- NGK34%
- Wetenex27%
- Newparts18%
- Hipa7%
- Atunee4%
- HAISHINE4%
- Open — no brand owns it (2 brands, 6%)
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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CMR6H Spark plug for NGK CMR6H 3365 Champion RZ7C STHIL FS40 FS40C FS56 FS56RC FS90 FS90R FS100 FS110 BR600 4 MIX Trimmer Chainsaw 2 PACK
Wetenex$9.704.4★122 rev
Midwest Engine NGK Carded Spark Plug NGK CMR6H ea 1 (130-212)
NGK$7.524.8★440 rev
NGK Pair Set Of 2 Universal Spark Plugs 3365 / CMR6H
Newparts$12.864.8★185 rev
NGK (3365) CMR6H Spark Plug - Pack of 4
NGK$19.294.8★761 rev
Hipa CMR6H Spark Plug for NGK 3365 Stihl BR600 FS40 FS40C FS56 FS56RC FS90 FS90R FS100 FS110 Trimmer Chainsaw (4 Pack)
Hipa$10.944.8★223 rev
Newest
by launch date
NGK CMR6H - OE Standard Series Spark Plugs - 3365 - Compatible with select Stihl Kombi Jonsered Poulan Pro Chain Saws and Outdoor Power Equipment - Qty 6
NGK$29.871 rev
Yistiun CMR6H Spark plug for NGK CMR6H 3365 for Champion RZ7C for STHIL FS40 FS56 FS90 FS100 FS110 HL90 HL100 HL110 HT100 KM90 KM110 KM130 4 MIX Trimmer BR600 BG56 BG66 Blower MS181 MS211 Chainsaw
Yistiun$4.183 rev
AZXX CMR6H Spark Plug 2 Pack for NGK 3365 CMR6H Spark Plugs for Champion RZ7C for Stihl FS40C FS56 FS56RC FS90R FS100 Trimmer Fit for NGK CMR6H Spark Plug BR600 BG56 BG66 Blower MS181 MS211 Chainsaw
AZXX$7.9327 rev
CMR6H Spark plug for NGK CMR6H 3365 Champion RZ7C STHIL FS40 FS40C FS56 FS56RC FS90 FS90R FS100 FS110 BR600 4 MIX Trimmer Chainsaw 2 PACK
Wetenex$9.70122 rev
Atunee 12Pcs CMR6H Spark Plug Replace for NGK 3365 and Fit for Stihl FS90 FS100 FS110 HL90 HL110 HT100 KM90 BR500 BR550 BR600 Trimmer
Atunee$15.1544 rev
Trending
90-day click momentumYistiun CMR6H Spark plug for NGK CMR6H 3365 for Champion RZ7C for STHIL FS40 FS56 FS90 FS100 FS110 HL90 HL100 HL110 HT100 KM90 KM110 KM130 4 MIX Trimmer BR600 BG56 BG66 Blower MS181 MS211 Chainsaw
Yistiun$4.185.0★
NGK CMR6H - OE Standard Series Spark Plugs - 3365 - Compatible with select Stihl Kombi Jonsered Poulan Pro Chain Saws and Outdoor Power Equipment - Qty 6
NGK$29.875.0★
Haishine 4 Pack CMR6H Spark Plugs NGK OEM Replacement Parts Fits for Stihl FS90 FS100 FS110 HL90 HL110 HT100 KM90 BR500 Trimmer Weedeater
HAISHINE$8.994.4★
Hipa CMR6H Spark Plug for NGK 3365 Stihl BR600 FS40 FS40C FS56 FS56RC FS90 FS90R FS100 FS110 Trimmer Chainsaw (4 Pack)
Hipa$10.944.8★
CMR6H Spark plug for NGK CMR6H 3365 Champion RZ7C STHIL FS40 FS40C FS56 FS56RC FS90 FS90R FS100 FS110 BR600 4 MIX Trimmer Chainsaw 2 PACK
Wetenex$9.704.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +67.5% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.9×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit great”
“Great product”
“They worked as advertised”
“Perfect replacement spark plugs”
“These replacement plugs seem to be a good value as they are way cheaper than the big name brands”
“This was good for my blower”
“works great”
“engine ran fine”
“Right one easy install”
What buyers complain about
“Garbage”
“The are smaller than any I have seen on a chainsaw”
“What is it about really small parts i purchase that takes weeks to get”
“Not a good replacement”
“Fowled out in 2 days”
“Equipment wouldnt run”