---
title: "Coil — $841K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/coil"
last_updated: "2026-08-10T18:11:10.796Z"
locale: en
meta:
description: "Niche score 55/100 · $841K/yr market · 766K searches/yr · $74.71 avg price. Weak search conversion (1.5%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $841K/yr market · 766K searches/yr · $74.71 avg price. Weak search conversion (1.5%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Coil — $841K/yr Amazon US Niche (2026) - Flapen"
---
# **coil**
**Worth a look**
Shows a fragmented shelf (top 5 take 17% of clicks), but weak search conversion (1.5%) keeps it on the watch list.
Market size 75Growth 21Conversion 18Competition 96Returns 24Price range 24Avg price 84Brand share 80Review moat 75Quality gap 45
**Competition**
**Incredible****17%**
top-5 click share — an open shelf
**Avg price**
**Great****$74.71**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Market size**
**Good****$841K**
$841K/yr · 766K searches
**Review moat**
**Good****506.74**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****5.3%**
return rate — above 5% kills the launch gate
**Price range**
**Bad****$9.16–$357.56**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-8.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, coil is a $841K/yr Amazon United States market (766K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **coil market data**
- **Units sold / yr**
- **15K–20K**
- avg 0–100/product
- **Revenue / yr**
- **$1.1M–$1.5M**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#1,037**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **69%**
- **Out of stock**
- **1.2%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
Clicks spread well past the top 5 (17% combined) — an open shelf where new products get seen.
**Brands**
**47 **▲rising
**Sellers**
**197**
**Top-5 brand share**
**55%**
Top 20: 88%
**Top-5 click share**
**17%**
Top 20: 40%
**Open market**
**41%**
- Denso25% - Delphi9% - NGK8% - A-Premium7% - Bosch5% - ENA5%
## **Demand**
Weekly Amazon search volume, last 40 weeks — -8.3% search growth over the last 90 days.
13K8KOct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/automotive/coil/trend)
## **Top coil search terms**
- **tune up kit**194K/yr-9.3%0.4% conv. - **coil**149K/yr-11.9%0.6% conv. - **denso ignition coil**72K/yr-8.9%0.7% conv. - **automotive replacement ignition coils**48K/yr-4.8%0.5% conv. - **coil pack set**47K/yr-11.7%0.6% conv. - **ngk ignition coil**35K/yr-15.2%0.4% conv. - **bobina de encendido**34K/yr-14.2%0.3% conv. - **ngk coil pack**22K/yr-1.5%0.2% conv. - **delphi ignition coil**17K/yr+10.2%1.6% conv. - **oem spark plugs and coil packs kit**11K/yr+25.5%0.2% conv. [**All search terms **](https://flapen.com/research/us/automotive/coil/search-terms)
## **Top coil 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%2%$17K4%$34K6%$50K8%$67K101001K10K100K 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**NGK U5015-4 (49173) Coil-On-Plug Ignition Coil Pack of 4**NGK**$87.73**4.6★34 rev](https://www.amazon.com/dp/B082WQDJCV) [2**Denso Direct Ignition Coil - 673-1309 (Fits Select Models and Years of Lexus Toyota and Scion Vehicles)**Denso**$49.96**4.7★1,313 rev](https://www.amazon.com/dp/B002Y35O8O) [3**Denso Direct Ignition Coil - 673-2301 (Fits Select Years of Honda: Accord/Civic/CR-V/Element/S2000 and Acura RSX Vehicles)**Denso**$42.74**4.6★612 rev](https://www.amazon.com/dp/B002Y39NXG) [4**Denso Direct Ignition Coil - 673-1307 (Fits Select Years of Toyota: Camry/Corolla/Highlander/Matrix/RAV4/Solara Scion: tC/xB Lexus HS250h and Pontiac Vibe Vehicles)**Denso**$67.46**4.7★538 rev](https://www.amazon.com/dp/B002Y35O5W) [5**Denso Direct Ignition Coil - 673-1312 (Fits Select Years of Toyota: Avalon/Camry/Highlander/Sienna/Solara and Lexus: ES300/ES330/RX300/RX330/RX400h Vehicles)**Denso**$57.88**4.5★18 rev](https://www.amazon.com/dp/B0FRSRZHGC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Denso Direct Ignition Coil - 673-1312 (Fits Select Years of Toyota: Avalon/Camry/Highlander/Sienna/Solara and Lexus: ES300/ES330/RX300/RX330/RX400h Vehicles)**Denso**$57.88**18 rev9mo ago](https://www.amazon.com/dp/B0FRSRZHGC) [**UF262 Ignition Coils Pack & Double Iridium Spark Plugs & 10.2MM Spark Plug Wires for Chevy Avalanche Express Tahoe Silverado Suburban 1500 2500 3500/GMC Savana Sierra Yukon/Hummer H2 OEM# D585**X4XZ**$113.37**56 rev2y ago](https://www.amazon.com/dp/B0D82YXFZ5) [**SPARKWHIZ Set of 8 Square UF413 Ignition Coils Pack & Platinum Spark Plugs & Wires Set Replacement for UF413 D510C 5C1554 Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon**SPARKWHIZ**$140.35**90 rev3y ago](https://www.amazon.com/dp/B0C9GK1FGX) [**ENA 8 Pack UF413 Ignition Coil 41962 Spark Plug and 48322R Wires Set for 5.3 6.0 6.2 Compatible with Buick Cadillac Chevrolet GMC Hummer Escalade Express Savana 2500 5.3L 6.2L 6.0L 4.8L for 12570616**ENA**$156.11**267 rev3y ago](https://www.amazon.com/dp/B0BQZ8KZH9) [**BDFHYK Ignition Coil Pack UF648 and Iridium Spark Plug 97390 Compatible with Jeep Grand Cherokee 2011-2015 Jeep Wrangler Dodge Charger Grand Caravan 2016 Chrysler 200 300 Jeep Coil Pack 3.6L Set of 6**BDFHYK**$69.71**5,181 rev3y ago](https://www.amazon.com/dp/B0BJZR6B47)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Denso Direct Ignition Coil - 673-1307 (Fits Select Years of Toyota: Camry/Corolla/Highlander/Matrix/RAV4/Solara Scion: tC/xB Lexus HS250h and Pontiac Vibe Vehicles)**Denso**$67.46**4.7★**▲ 177%**](https://www.amazon.com/dp/B002Y35O5W) [**SPARKWHIZ Set of 8 Square UF413 Ignition Coils Pack & Platinum Spark Plugs & Wires Set Replacement for UF413 D510C 5C1554 Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon**SPARKWHIZ**$140.35**4.2★**▲ 108%**](https://www.amazon.com/dp/B0C9GK1FGX) [**Denso Direct Ignition Coil - 673-1312 (Fits Select Years of Toyota: Avalon/Camry/Highlander/Sienna/Solara and Lexus: ES300/ES330/RX300/RX330/RX400h Vehicles)**Denso**$57.88**4.5★**▲ 68%**](https://www.amazon.com/dp/B0FRSRZHGC) [**ENA 8 Pack UF413 Ignition Coil 41962 Spark Plug and 48322R Wires Set for 5.3 6.0 6.2 Compatible with Buick Cadillac Chevrolet GMC Hummer Escalade Express Savana 2500 5.3L 6.2L 6.0L 4.8L for 12570616**ENA**$156.11**4.3★**▲ 55%**](https://www.amazon.com/dp/B0BQZ8KZH9) [**Denso Direct Ignition Coil - 673-2301 (Fits Select Years of Honda: Accord/Civic/CR-V/Element/S2000 and Acura RSX Vehicles)**Denso**$42.74**4.6★**▲ 50%**](https://www.amazon.com/dp/B002Y39NXG)
**~~View all trending →~~**
## **What buyers say about coil**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Great build quality”*
**Size-Overall**20%
*“it fit as it should have”*
**Value For Money**18%
*“Best value”*
**Assembly/Installation**8%
*“Easy Installation”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Efficiency**7%
*“It works great”*
**Durability**3%
*“are durable”*
**Ease Of Use**2%
*“Easy to swap out”*
**Socket/Port/Plug**1%
*“Rick M. Spark plugs worked great”*
**Correct Contents**1%
*“Proper part”*
### **What buyers complain about **
**Durability**20%
*“it shorted out”*
**Quality-Overall**14%
*“Way less quality than advertised”*
**Size-Overall**10%
*“Didn't fit”*
**Value For Money**6%
*“a little pricey”*
**Compatibility-Overall**5%
*“I was worried about not been compatible”*
**Socket/Port/Plug**4%
*“These plugs arent any good at all”*
**Defective Material/Parts**4%
*“Product not working properly”*
**Advertised Vs Actual Product**4%
*“Didnt fit as advertised”*
**Functionality-Overall**3%
*“with inconsistent speed response”*
**Assembly/Installation**3%
*“Was very skeptical about buying and installing”*
### **Top return reasons **
**Size-Overall**28%
**Compatibility-Overall**17%
**Defective Material/Parts**13%
**Functionality-Overall**8%
**Product Condition**7%
**Advertised Vs Actual Product**6%
**Value For Money**5%
**Socket/Port/Plug**3%
**Flammable**2%
**Quality-Overall**2%
## **Common questions**
- **Is coil profitable to sell on Amazon United States?**
- The niche generates $841K/yr across 171 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -8.3%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the coil niche?**
- 47 brands and 197 sellers compete. The top 5 products take 17% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in coil?**
- Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 5.3% — above our launch gate.
- **What does it cost to enter the coil niche?**
- Listings span $9.16–$357.56; the average listing price is $74.71 (sweet spot $15–$100). The average incumbent carries 507 reviews — the moat a new listing must climb.
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