Glow Plug
FailDemand is soft, at -33.9% this quarter, so Glow Plug is a Fail.
- Flapen Score
- 49 / 100Ranks 3,500 of 7,287 Automotive niches · on the category median49
- Market size
- $53K/yr59K searches / yr
- 90-day growth
- -33.9%search demand this quarter
- Competition
- 44%top-5 click share · 20 brands · 52 sellers
Flapen Score
Glow Plug against its category
The dotted line is the Automotive average. Past it, Glow Plug is stronger. Inside it, weaker.
Market
The Glow Plug market on Amazon at a glance
Shoppers on Amazon United States searched for Glow Plug 59K times last year and spent an estimated $53K. The top 5 brands take 65% of clicks. Demand peaks in Jan–Dec. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 2.8% of those searches ended in a purchase.
Shoppers searched for this 59K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.8% of those searches ended in a purchase. Searches in the last 90 days moved -33.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $53K a year.
- Searches, last 12 months
- 59K
- Growth, 90 days vs prior 90
- -33.9%
- Conversion, latest week
- 2.8%
- Market size, estimated
- $53Ka year
- Peak month
- January1.9× the quietest month
- Top search term
- glow plugs39K searches a year
02 · Price
A sale here is worth $32.39.
Listings sell for $32.39 on average, from $10.14 to $112.98. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At $32.39 that is $0 to $3K a year per listing.
- Average price
- $32.39inside the $15 to $100 sweet spot
- Price range
- $10.14–$112.98
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
68% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 3.0% of listings are out of stock. The average listing ranks #199 within Ignition Parts. It carries 229 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 68%
- Prime listings
- 91%
- Out of stock, average day
- 3.0%
- Average rank
- #199in Ignition Parts
- Average rating
- 4.40 starsAmazon United States average 4.42 stars
- Average reviews
- 229per listing
- Listings tracked
- 34
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 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Glow Plug products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
GM Genuine Parts 9G (12639701) Glow Plug (Pack of 1)
- Price
- $20.03
- Rating
- 4.7/5
- Reviews
- 1,749
- Age
- 15y ago

GM Genuine Parts 68G (12690238) Glow Plug
- Price
- $32.56
- Rating
- 4.6/5
- Reviews
- 89
- Age
- 6y ago

8 PC Motorcraft ZD-11 F4TZ-12A342-BA Glow Plugs 1995-2003 Ford 7.3 Liter
- Price
- $103.81
- Rating
- 4.6/5
- Reviews
- 885
- Age
- 10y ago

3-Pack Hot Spark Glow Plug N4 No.4 70117 Compatible with Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy
- Price
- $14.10
- Rating
- 4.3/5
- Reviews
- 183
- Age
- 2y ago

DNA MOTORING Set of 8 Glow Plugs Compatible with 04-10 E350/E450 04-05 Excursion 04-07 F250F350/F450/F550 Super Duty V8 Diesel / 6.0L Turbo Diesel Models 8Pcs OE Style Glow Plug ZTL-H-0007
- Price
- $24.62
- Rating
- 4.9/5
- Reviews
- 48
- Age
- 5y ago
Trending
estimated 90-day click momentum
3-Pack Hot Spark Glow Plug N3 No.3 70117 Compatible with Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy
- Price
- $13.70
- Rating
- 4.3/5
- Reviews
- 183
- Age
- 2y ago

12639701 Diesel Glow Plugs 9G Compatible with 6.6 Duramax Chevy GMC LBZ LLY LML LMM LGH 2006-2016 Silverado Sierra 2500HD 3500HD Express Savana 2500 3500 Replace# 97364968
- Price
- $29.99
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 9mo ago

3-Pack Hot Spark Glow Plug N4 No.4 70117 Compatible with Kyosho HSP HPI Redcat 1/8 1/10 RC Nitro Engines Car Truck Buggy
- Price
- $14.10
- Rating
- 4.3/5
- Reviews
- 183
- Age
- 2y ago

CrazyHobby 70117 Hot Glow Plug No.3 N3 Spark Nitro Engine Parts Replace OS 8 for Traxxas HPI HSP Kyosho 1/8 1/10 RC Car Truck Buggy (Pack of 6)
- Price
- $26.02
- Rating
- 4.3/5
- Reviews
- 80
- Age
- 2y ago

YIUIY 8PCS Glow Plugs 9G Replace 12639701 97364968 Compatible with Chevy GMC Duramax 6.6 Diesel for Silverado Sierra Savana Express 06-16 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
- Price
- $33.00
- Rating
- 4.3/5
- Reviews
- 49
- Age
- 4y ago
Newest
by launch date
12639701 Diesel Glow Plugs 9G Compatible with 6.6 Duramax Chevy GMC LBZ LLY LML LMM LGH 2006-2016 Silverado Sierra 2500HD 3500HD Express Savana 2500 3500 Replace# 97364968
- Price
- $29.99
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 9mo ago

12639701 Glow Plugs 9G Compatible with 6.6 Duramax Chevy GMC LBZ LLY LML LMM LGH Diesel Silverado Sierra 2500HD 3500HD Express Savana 2500 3500 2006-2016 Replace# 97364968 05613738 8 PCS
- Price
- $32.91
- Rating
- 3.6/5
- Reviews
- 18
- Age
- 11mo ago

Ensun 68460484AB Diesel Glow Plug Dual Coils Compatible with 2014-2019 Grand Cherokee 6 Cyl 3.0L Diesel 2014-2018 Ram 1500 6 Cyl 3.0L Diesel 2019 Ram 1500 Classic
- Price
- $39.02
- Rating
- 4.1/5
- Reviews
- 8
- Age
- 1y ago

YIUIY 8PCS Glow Plugs 2001-2004.5 Compatible with Chevy GMC Duramax 6.6 LB7 Diesel for Silverado Sierra Replace 97226202
- Price
- $37.79
- Rating
- 4.2/5
- Reviews
- 20
- Age
- 1y ago

UBOG 4PCS Glow Plug Removal Tool Glow Plug Remover Kit Car Accessories Glow Plug Socket Set Glow Plug Extractor Kit with 3/8 T-Bar Easy Replacement and Removal of All Popular Glow Plugs
- Price
- $18.55
- Rating
- 4.5/5
- Reviews
- 33
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 44% of clicks. Leaders hold, but buyers still shop past them.
Brands
20 falling
Sellers
52
Est. top-5 brand share
65%
Top 20: 100%
Est. top-5 click share
44%
Top 20: 82%
Open market
31%
- GM GENUINE PARTS35%
- Bosch9%
- Motorcraft8%
- YijiaLink7%
- DNA MOTORING6%
- YIUIY5%
Demand
Glow Plug search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Dec · busiest ÷ quietest = 1.9×
Reviews and returns
What reviews say buyers love and hate about Glow Plug
We read the reviews and the return reasons for every product selling here.
“Cheap”
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.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Glow Plug questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









