cdi box
Worth a lookShows a thin review moat (183 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Great183.31avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Brand share
Great48%top-5 brand share — no brand owns this niche
Competition
Great30%top-5 click share — an open shelf
Avg price
Great$15.30avg listing price — sweet spot $15–$100
Price range
Good$6.20–$39.73cheapest 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
Okay4.2%return rate — above 5% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$39K$39K/yr · 107K searches
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
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 box39K/yr
- cdi25K/yr
- gy6 cdi8K/yr
- cdi racing9K/yr
- cdi box 125cc6K/yr
- cdi box for 50cc scooter4K/yr
- gy6 cdi box4K/yr
- 6 pin cdi box4K/yr
- racing cdi3K/yr
- cdi box 150cc4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$7.694.3★1,678 rev
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$12.213.9★55 rev
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$20.093.9★40 rev
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$10.344.3★517 rev
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$9.404.1★769 rev
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$19.9210 rev
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$20.0710 rev
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$19.8810 rev
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$19.989 rev
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$17.1213 rev
Trending
90-day click momentumMOREV 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$19.923.7★
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$19.985.0★
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$17.124.8★
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$20.073.0★
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$11.634.4★
What buyers say about cdi box
What buyers praise and complain about, mined from review topics.What buyers love
“Direct fit”
“Worth it”
“Worked good, arrived on time, and good quality”
“Works as advertised”
“they are very functional”
“seems pretty durable”
“FYI everything was installed correctly”
“The biggest advantage here is convenience”
“it has been going strong”
“Works”
What buyers complain about
“Did not work”
“Only lasted 30 minutes”
“complete garbage”
“Item was not functional and messaged seller and they then claimed it was incompatible”
“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”
“I learned not everything fits and is interchangeable”
“Discovered these Chinese solenoids are notorious for failure if they get a little hot”
“immediately caught on fire”
“Installation was a bit tricky”
“Tired of trying to fix it”
Top return reasons
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.