---
title: "Cdi Box — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/cdi-box"
last_updated: "2026-08-10T16:14:18.291Z"
locale: en
meta:
description: "Niche score 58/100 · $39K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $39K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Cdi Box — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **cdi box**
**Worth a look**
Shows a thin review moat (183 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 10Growth 50Conversion 30Competition 85Returns 35Price range 74Avg price 76Brand share 87Review moat 91Quality gap 90
**Review moat**
**Great****183.31**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Avg price**
**Great****$15.30**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.20–$39.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+20.7%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****4.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$39K**
$39K/yr · 107K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, cdi box is a $39K/yr Amazon United States market (107K searches/yr). The top 5 brands hold 48% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cdi box market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$46K–$61K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#147**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **53 months**
- **Avg seller age**
- **194 days**
## **Competition & brand share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**30 **▲rising
**Sellers**
**35**
**Top-5 brand share**
**48%**
Top 20: 92%
**Top-5 click share**
**30%**
Top 20: 70%
**Open market**
**46%**
- HIAORS16% - MOREV10% - amavoler9% - XSANMOTO7% - Glixal6% - Poweka6%
## **Top cdi box search terms**
- **cdi box**39K/yr+14.1%1.5% conv. - **cdi**25K/yr+12.3%1.1% conv. - **gy6 cdi**8K/yr+100.4%5.2% conv. - **cdi racing**9K/yr-17.5%1.2% conv. - **cdi box 125cc**6K/yr+38.6%3.7% conv. - **cdi box for 50cc scooter**4K/yr+193.8%4.5% conv. - **gy6 cdi box**4K/yr+6.4%6.6% conv. - **6 pin cdi box**4K/yr+18.0%4.5% conv. - **racing cdi**3K/yr-1.7%1.5% conv. - **cdi box 150cc**4K/yr+74.2%3.4% conv. [**All search terms **](https://flapen.com/research/us/automotive/cdi-box/search-terms)
## **Top cdi box 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%3%$1K6%$2K9%$3K12%$5K1101001K10K 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**HIAORS 6 Pin AC CDI BOX for GY6 50cc 125cc 150cc ATV Taotao Roketa Sunl Scooter Moped Go Kart 4 Wheeler Quad Bikes Parts**HIAORS**$7.69**4.3★1,678 rev](https://www.amazon.com/dp/B07K9HLNJQ) [2**Amavoler Blue 5 Pin Racing AC Ignition CDI Box Replacement Parts Fit For 50cc 90cc 110cc 125cc 140cc 150cc 160cc 139QMB 152QMI 157QMJ Engine Chinese Pit Dirt Motor Bike ATV.**amavoler**$12.21**3.9★55 rev](https://www.amazon.com/dp/B0CRT38S39) [3**5 pin AC CDI Motorcycle Lgnition Box with DIP Switch Many 4-Stroke Models Compatible with Speed limit4000-12000 for WAVE100 Racing YX140 YX160**MOQIAOSEIKO**$20.09**3.9★40 rev](https://www.amazon.com/dp/B0CSK49DHN) [4**Trkimal High Performance Racing AC Cdi Box 6pin + Ignition Coil + 3 Electrode Spark Plug for GY6 50cc 80cc 125cc 150cc Moped Scooter ATV Go Kart**TRKIMAL**$10.34**4.3★517 rev](https://www.amazon.com/dp/B07Z8R92YT) [5**Glixal ATMT1-147 GY6 High Performance Racing Blue CDI Box 50cc 125cc 150cc 139QMB 152QMI 157QMJ Chinese Scooter Moped Go Kart ATV Quads No Rev Limit**Glixal**$9.40**4.1★769 rev](https://www.amazon.com/dp/B014T9B6F0)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MOREV 6 Pin AC CDI Ignition Module Replacement for CG Vertical Engines Compatible with TaoTao TBR7 RPS Hawk 250 Apollo Roketa 150cc 200cc 250cc Dirt Bikes and ATV**MOREV**$19.92**10 rev7mo ago](https://www.amazon.com/dp/B0G6DKM4TQ) [**MOREV 6 Pin AC CDI Ignition Module Replacement for GY6 Engines Compatible with TaoTao Roketa Jonway Wolf 50cc 125cc 150cc Scooters Moped Go Kart ATV 139QMB 157QMJ**MOREV**$20.07**10 rev7mo ago](https://www.amazon.com/dp/B0G6DWH3T2) [**MOREV 6 Pin DC CDI Ignition Module Replacement for GY6 Engines Compatible with Kymco SYM Lance TaoTao Wolf 50cc 125cc 150cc Scooters Moped Go Kart ATV 139QMB 157QMJ**MOREV**$19.88**10 rev7mo ago](https://www.amazon.com/dp/B0G6DHL1H8) [**MOREV 5 Pin AC CDI Ignition Module Replacement for Coolster 3125B 3125R 3125XR8 SSR Kayo TaoTao 50cc 70cc 110cc 125cc ATV Dirt Bike Scooter and Go Kart**MOREV**$19.98**9 rev7mo ago](https://www.amazon.com/dp/B0G6441J71) [**Ignition Coil 5-PIN CDI Box Solenoid 4-PIN Relay Voltage Regulator Spark Plug Kit Compatible with 50cc 70cc 90cc 110cc 125cc ATV Chinese Go Kart Dirt Bike Pit Bike TaoTao Moped Scooter Parts**OTOHANS AUTOMOTIVE**$17.12**13 rev7mo ago](https://www.amazon.com/dp/B0G42WL3X6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MOREV 6 Pin AC CDI Ignition Module Replacement for CG Vertical Engines Compatible with TaoTao TBR7 RPS Hawk 250 Apollo Roketa 150cc 200cc 250cc Dirt Bikes and ATV**MOREV**$19.92**3.7★**▲ 172%**](https://www.amazon.com/dp/B0G6DKM4TQ) [**MOREV 5 Pin AC CDI Ignition Module Replacement for Coolster 3125B 3125R 3125XR8 SSR Kayo TaoTao 50cc 70cc 110cc 125cc ATV Dirt Bike Scooter and Go Kart**MOREV**$19.98**5.0★**▲ 150%**](https://www.amazon.com/dp/B0G6441J71) [**Ignition Coil 5-PIN CDI Box Solenoid 4-PIN Relay Voltage Regulator Spark Plug Kit Compatible with 50cc 70cc 90cc 110cc 125cc ATV Chinese Go Kart Dirt Bike Pit Bike TaoTao Moped Scooter Parts**OTOHANS AUTOMOTIVE**$17.12**4.8★**▲ 139%**](https://www.amazon.com/dp/B0G42WL3X6) [**MOREV 6 Pin AC CDI Ignition Module Replacement for GY6 Engines Compatible with TaoTao Roketa Jonway Wolf 50cc 125cc 150cc Scooters Moped Go Kart ATV 139QMB 157QMJ**MOREV**$20.07**3.0★**▲ 136%**](https://www.amazon.com/dp/B0G6DWH3T2) [**XSANMOTO AC Racing CDI Box 6 Pins No Rev Limit Ignition Unit for GY6 50cc 125cc 150cc QMB139 QMI152 157QMJ Dirt Bike ATV Scooter Go-Kart**XSANMOTO**$11.63**4.4★**▲ 101%**](https://www.amazon.com/dp/B0D6R2D5KG)
**~~View all trending →~~**
## **What buyers say about cdi box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**17%
*“Direct fit”*
**Value For Money**16%
*“Worth it”*
**Quality-Overall**15%
*“Worked good, arrived on time, and good quality”*
**Advertised Vs Actual Product**10%
*“Works as advertised”*
**Efficiency**9%
*“they are very functional”*
**Durability**7%
*“seems pretty durable”*
**Assembly/Installation**5%
*“FYI everything was installed correctly”*
**Ease Of Use**3%
*“The biggest advantage here is convenience”*
**Strength**2%
*“it has been going strong”*
**Functionality-Overall**2%
*“Works”*
### **What buyers complain about **
**Functionality-Overall**27%
*“Did not work”*
**Durability**11%
*“Only lasted 30 minutes”*
**Quality-Overall**8%
*“complete garbage”*
**Compatibility-Overall**7%
*“Item was not functional and messaged seller and they then claimed it was incompatible”*
**Advertised Vs Actual Product**4%
*“I gave this product a 1 start because although it functions as a regular CDI box it does absolutely nothing as advertised in the product description”*
**Size-Overall**3%
*“I learned not everything fits and is interchangeable”*
**Heating**3%
*“Discovered these Chinese solenoids are notorious for failure if they get a little hot”*
**Flammable**3%
*“immediately caught on fire”*
**Assembly/Installation**3%
*“Installation was a bit tricky”*
**Maintenance And Repair**2%
*“Tired of trying to fix it”*
### **Top return reasons **
**Functionality-Overall**28%
**Compatibility-Overall**19%
**Size-Overall**19%
**Defective Material/Parts**11%
**Advertised Vs Actual Product**6%
**Connectivity-Overall**5%
**Socket/Port/Plug**2%
**Durability**1%
**Flammable**1%
**Value For Money**1%
## **Common questions**
- **Is cdi box profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 52 tracked products. 0 of 16 products launched in the last 360 days are still selling. 90-day search growth is +20.7%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the cdi box niche?**
- 30 brands and 35 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in cdi box?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 4.2%.
- **What does it cost to enter the cdi box niche?**
- Listings span $6.20–$39.73; the average listing price is $15.30 (sweet spot $15–$100). The average incumbent carries 183 reviews — the moat a new listing must climb.
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