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Diesel Heater Glow Plug

Fail

Demand is soft, at -87.6% this quarter, so Diesel Heater Glow Plug is a Fail.

Flapen Score
41
41 / 100
Ranks 5,810 of 7,287 Automotive niches · −8 vs the category median of 49
Market size
$36K/yr21K searches / yr
90-day growth
-87.6%search demand this quarter
Competition
72%top-5 click share · 8 brands · 12 sellers

Flapen Score

Diesel Heater Glow Plug against its category

The dotted line is the Automotive average. Past it, Diesel Heater Glow Plug is stronger. Inside it, weaker.

41Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Diesel Heater Glow Plug market on Amazon at a glance

Shoppers on Amazon United States searched for Diesel Heater Glow Plug 21K times last year and spent an estimated $36K. The top 5 brands take 86% of clicks. Flapen scores it 41 out of 100, a Fail.

01 · Demand

An estimated 10.3% of those searches ended in a purchase.

Shoppers searched for this 21K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.3% of those searches ended in a purchase. Searches in the last 90 days moved -87.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $36K a year.

Searches, last 12 months
21K
Growth, 90 days vs prior 90
-87.6%
Conversion, latest week
10.3%
Market size, estimated
$36Ka year
Top search term
diesel heater glow plug11K searches a year

02 · Price

A sale here is worth $16.18.

Listings sell for $16.18 on average, from $12.99 to $20.00. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $16.18 that is $0 to $2K a year per listing.

Average price
$16.18inside the $15 to $100 sweet spot
Price range
$12.99–$20.00
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–3K
Units per listing a year
0–100
Revenue per listing a year
$0–$2K
Returns
1.7%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 14.4% of listings are out of stock. The average listing ranks #3,593 within Ignition Parts. It carries 79 reviews at 4.51 stars, so a new listing needs social proof before a better product.

Sponsored listings
80%
Prime listings
100%
Out of stock, average day
14.4%
Average rank
#3,593in Ignition Parts
Average rating
4.51 starsAmazon United States average 4.42 stars
Average reviews
79per listing
Listings tracked
10

04 · Newcomers

0 of last year's 4 launches cleared the first-year sales bar.

4 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 21 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
4
Successful launches
0Amazon's first-year sales bar
Average brand age
21 months

Products

Top Diesel Heater Glow 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 72% of clicks. A locked shelf that new listings rarely crack.

Brands

8 rising

Sellers

12

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

9%

  • Brand 131%
  • Brand 221%
  • Brand 318%
  • Brand 410%
  • Brand 56%
  • Brand 66%
  • Open — no brand owns it (2 brands, 9%)

Demand

Diesel Heater Glow Plug search demand

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

1K800Spike '26JanFebMarAprMayJun

Peak months: Jan, Feb · busiest ÷ quietest = 17.3× · 6 of 12 months tracked

Search terms

Top Diesel Heater Glow Plug search terms shoppers use

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

  • diesel heater glow plug11K/yr
  • diesel heater glow plug kit4K/yr
  • vevor diesel heater glow plug3K/yr
  • diesel heater rebuild kit4K/yr

Reviews and returns

What reviews say buyers love and hate about Diesel Heater Glow Plug

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

16%of positive reviews mention “Size-Overall”
12%of negative reviews mention “Color”
1.7%of orders come back
“The gaskets are red”
A buyer, on “Color”12% 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.

20 topics

NegativePositive

FAQ

Common Diesel Heater Glow Plug questions

Answered from the same tracked data.