---
title: "Glow Plug — $53K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/glow-plug"
last_updated: "2026-08-11T03:32:05.035Z"
locale: en
meta:
description: "Niche score 49/100 · $53K/yr market · 59K searches/yr · $32.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $53K/yr market · 59K searches/yr · $32.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Glow Plug — $53K/yr Amazon US Niche (2026) - Flapen"
---
# **glow plug**
**Skip it**
Soft demand (-33.9% this quarter) — this niche doesn't clear our bar today.
Market size 13Growth 8Conversion 35Competition 68Returns 65Price range 81Avg price 95Brand share 67Review moat 89Quality gap 58
**Avg price**
**Incredible****$32.39**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****228.91**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$10.14–$112.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****65%**
top-5 brand share — brands hold most of the demand
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$53K**
$53K/yr · 59K searches
**Growth**
**Bad****-33.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, glow plug is a $53K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 49/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **glow plug market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$81K–$97K**
- units × avg price
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#199**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **68%**
- **Out of stock**
- **3.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**52**
**Top-5 brand share**
**65%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 82%
**Open market**
**31%**
- GM GENUINE PARTS35% - Bosch9% - Motorcraft8% - YijiaLink7% - DNA MOTORING6% - YIUIY5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -33.9% search growth over the last 90 days.
2K1KSpike '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Dec · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/automotive/glow-plug/trend)
## **Top glow plug products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$3K10%$5K15%$8K20%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GM Genuine Parts 9G (12639701) Glow Plug (Pack of 1)**GM GENUINE PARTS**$20.03**4.7★1,749 rev](https://www.amazon.com/dp/B00496LXJ8) [2**GM Genuine Parts 68G (12690238) Glow Plug**GM GENUINE PARTS**$32.56**4.6★89 rev](https://www.amazon.com/dp/B0842WSRXM) [3**8 PC Motorcraft ZD-11 F4TZ-12A342-BA Glow Plugs 1995-2003 Ford 7.3 Liter**Motorcraft**$103.81**4.6★885 rev](https://www.amazon.com/dp/B017O2I7NS) [4**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**YijiaLink**$14.10**4.3★183 rev](https://www.amazon.com/dp/B0CG3GM77S) [5**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**DNA MOTORING**$24.62**4.9★48 rev](https://www.amazon.com/dp/B093GVFYS1)
**~~View all top sellers →~~**
### **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**Krimocy**$29.99**7 rev9mo ago](https://www.amazon.com/dp/B0FW4Y9TJK) [**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**GDUKOP**$32.91**18 rev11mo ago](https://www.amazon.com/dp/B0FLJLKG81) [**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**Ensun**$39.02**8 rev1y ago](https://www.amazon.com/dp/B0F9FFKQ1W) [**YIUIY 8PCS Glow Plugs 2001-2004.5 Compatible with Chevy GMC Duramax 6.6 LB7 Diesel for Silverado Sierra Replace 97226202**YIUIY**$37.79**20 rev1y ago](https://www.amazon.com/dp/B0DMW4T2DT) [**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**UBOG**$18.55**33 rev1y ago](https://www.amazon.com/dp/B0D9W5GVVN)
**~~View all new products →~~**
### **Trending**
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**YijiaLink**$13.70**4.3★**▲ 228%**](https://www.amazon.com/dp/B0CG3D6SSV) [**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**Krimocy**$29.99**4.5★**▲ 175%**](https://www.amazon.com/dp/B0FW4Y9TJK) [**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**YijiaLink**$14.10**4.3★**▲ 158%**](https://www.amazon.com/dp/B0CG3GM77S) [**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)**CrazyHobby**$26.02**4.3★**▲ 93%**](https://www.amazon.com/dp/B0CDBZ5F7Y) [**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**YIUIY**$33.00**4.3★**▲ 56%**](https://www.amazon.com/dp/B09TW612Y2)
**~~View all trending →~~**
## **What buyers say about glow plug**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“fit perfect”*
**Value For Money**13%
*“Excellent price”*
**Assembly/Installation**11%
*“Easy to install”*
**Advertised Vs Actual Product**11%
*“Works as advertised”*
**Quality-Overall**10%
*“Great quality replacement”*
**Efficiency**8%
*“Works perfectly”*
**Brightness/Shine/Glow**8%
*“Work good glow fine”*
**Durability**5%
*“The first set I ordered seems durable”*
**Socket/Port/Plug**4%
*“This glow plug socket set is a great value and includes three essential sizes: 8mm, 10mm, and 12mm, covering the most common glow plug applications”*
**Functionality-Overall**3%
*“But they work”*
### **What buyers complain about **
**Quality-Overall**30%
*“Cheap”*
**Durability**15%
*“One died after the first start”*
**Battery Inclusion**7%
*“It doesn't come with a battery”*
**Functionality-Overall**7%
*“all 3 were not working they are a cheap piece of crap”*
**Advertised Vs Actual Product**7%
*“not as advertised”*
**Size-Overall**6%
*“They do not fit LLY”*
**Strength**4%
*“it just overall seemed very weak”*
**Measurement/Reading Accuracy**4%
*“Item did not maintain a reading of less than 1 Ohm”*
**Defective Material/Parts**4%
*“Item did not maintain a reading of less than 1 Ohm”*
**Compatibility-Overall**4%
*“Not for LLY”*
### **Top return reasons **
**Size-Overall**31%
**Defective Material/Parts**15%
**Functionality-Overall**14%
**Compatibility-Overall**11%
**Advertised Vs Actual Product**5%
**Product Condition**4%
**Value For Money**3%
**Assembly/Installation**3%
**Socket/Port/Plug**3%
**Heating**2%
## **Common questions**
- **Is glow plug profitable to sell on Amazon United States?**
- The niche generates $53K/yr across 34 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -33.9%. Flapen's verdict: Skip it (49/100).
- **How competitive is the glow plug niche?**
- 20 brands and 52 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 65% of demand.
- **What do buyers complain about in glow plug?**
- Top complaints mined from reviews: Quality-Overall, Durability, Battery Inclusion. The return rate is 2.4%.
- **When does demand for glow plug peak?**
- Demand peaks in Jan–Dec; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the glow plug niche?**
- Listings span $10.14–$112.98; the average listing price is $32.39 (sweet spot $15–$100). The average incumbent carries 229 reviews — the moat a new listing must climb.
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