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Honda Gx390 Spark Plug

Fail

The top 5 brands take 99% of clicks, so Honda Gx390 Spark Plug is a Fail.

Flapen Score
44
44 / 100
Ranks 5,081 of 7,287 Automotive niches · −5 vs the category median of 49
Market size
$318K/yr158K searches / yr
90-day growth
+2.3%search demand this quarter
Competition
70%top-5 click share · 6 brands · 83 sellers

Flapen Score

Honda Gx390 Spark Plug against its category

The dotted line is the Automotive average. Past it, Honda Gx390 Spark Plug is stronger. Inside it, weaker.

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Honda Gx390 Spark Plug market on Amazon at a glance

Shoppers on Amazon United States searched for Honda Gx390 Spark Plug 158K times last year and spent an estimated $318K. The top 5 brands take 99% of clicks. Demand peaks in Mar. Flapen scores it 44 out of 100, a Fail.

01 · Demand

An estimated 20.2% of those searches ended in a purchase.

Shoppers searched for this 158K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 20.2% of those searches ended in a purchase. Searches in the last 90 days moved +2.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $318K a year.

Searches, last 12 months
158K
Growth, 90 days vs prior 90
+2.3%
Conversion, latest week
20.2%
Market size, estimated
$318Ka year
Peak month
March2.1× the quietest month
Top search term
ngk bpr6es66K searches a year

02 · Price

A sale here is worth $9.97.

Listings sell for $9.97 on average, from $4.13 to $25.69. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,500 to 2,000 of them. At $9.97 that is $15K to $20K a year per listing.

Average price
$9.97under the $15 to $100 sweet spot
Price range
$4.13–$25.69
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
30K–40K
Units per listing a year
1,500–2,000
Revenue per listing a year
$15K–$20K
Returns
1.4%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

64% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #104 within Ignition Parts. It carries 599 reviews at 4.72 stars, so a new listing needs social proof before a better product.

Sponsored listings
64%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#104in Ignition Parts
Average rating
4.72 starsAmazon United States average 4.42 stars
Average reviews
599per listing
Listings tracked
14

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
0Amazon's first-year sales bar
Average brand age
45 months

Products

Top Honda Gx390 Spark Plug products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 70% of clicks. Leaders hold, but buyers still shop past them.

Brands

6 rising

Sellers

83

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

0%

  • Brand 160%
  • Brand 217%
  • Brand 310%
  • Brand 410%
  • Brand 52%
  • Brand 61%

Demand

Honda Gx390 Spark Plug search demand

Weekly searches over the year, seasonality beneath. Pick a range.

8K6KSpike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 2.1×

Search terms

Top Honda Gx390 Spark Plug search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ngk bpr6es66K/yr
  • bpr6es spark plug29K/yr
  • ngk bpr6es spark plug29K/yr
  • bpr6es19K/yr
  • honda gx390 spark plug3K/yr
  • spark plug ngk bpr6es2K/yr
  • honda gx160 spark plug2K/yr
  • ngk bpr6es spark plug 2 pack2K/yr
  • spark plug bpr6es2K/yr
  • ngk - bpr6es2K/yr

Reviews and returns

What reviews say buyers love and hate about Honda Gx390 Spark Plug

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Socket/Port/Plug”
14%of negative reviews mention “Advertised Vs Actual Product”
1.4%of orders come back
“A little misleading”
A buyer, on “Advertised Vs Actual Product”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Honda Gx390 Spark Plug questions

Answered from the same tracked data.