Best Aftermarket CDI Modules

What Are the Best Aftermarket CDI Modules for Your Ride?
Discover our tested and reviewed top options to help you upgrade your engine efficiency and boost performance.

Upgrading your ATV or dirt bike’s performance starts with the right CDI module. These small but powerful parts control ignition timing, ensuring your engine runs smoothly and efficiently. Whether you’re fixing a broken module or boosting your ride’s power, choosing the best aftermarket CDI module is key.

We’ve tested and reviewed top options to help you find the perfect fit. From high-performance upgrades to reliable replacements, our guide makes it easy to choose.

List of Top 10 Aftermarket CDI Modules

Title	Best For	Price
DB Electrical CDI Module for Polaris ATV Magnum 500 HDS 499 2000-2002	Polaris ATV owners with old Magnum bikes need this fix. It helps broken engines run well with a new CDI module.	View on Amazon (paid link)
Amavoler Cdi Module Aftermarket Replacement Parts Fit For Trx90 Trx 90 1993-2005 E Advance ESP1541.OEM#: 30410-HF7-000 30410-HF7-008.	Honda TRX 90 owners need this part. It keeps your machine running smooth every time you hit the trail.	View on Amazon (paid link)
DB Electrical CDI Module for Honda ATV TRX450R Sportrax 433 2006-2009	This CDI module is perfect for Honda ATV owners with a TRX450R built between 2006 and 2009. It gives your ride a strong power boost and ensures it runs smoothly on rough trails.	View on Amazon (paid link)
Sandfren Motorcycle 6 Pin AC CDI Box, High Performance Scooter Go Kart Ignition Module Replacement, Motorbike Ignition Accessories for GY6 50cc-150cc Engine ATM50A-1 RX50 DVX50	This 6-pin AC CDI box is perfect for anyone with a GY6 50cc-150cc engine or similar models. It’s great for upgrading your motorcycle, scooter, or go-kart ignition system.	View on Amazon (paid link)
DB Electrical CDI Module for Yamaha UTV Rhino 660 YXR660F 660 2004-2007	This product is perfect for owners of a Yamaha Rhino 660 who need a reliable replacement for their 2004-2007 model. It meets OEM specifications so you can trust it for safe operation on your trails.	View on Amazon (paid link)
MOREV 5-Pin AC CDI Ignition Module for 50cc-125cc ATV Dirt Bike and Go Kart	This MOREV 5-Pin AC CDI Ignition Module is perfect for owners of 50cc-125cc ATVs, dirt bikes, and go-karts with horizontal 4-stroke engines. It’s ideal for replacing a faulty ignition module in compatible models like Coolster, TaoTao, SSR, and Apollo.	View on Amazon (paid link)
DB Electrical CDI Module for Yamaha ATV Raptor 50 YFM50 49 2004-2008	This part fits YAMAHA Raptor 50 YFM50 models from 2004 to 2008, which makes it a great option for riders who need a quick fix.	View on Amazon (paid link)
MOREV 6-Pin DC CDI Ignition Module for CG 150cc-250cc Dirt Bike ATV Engines	This tool is perfect for CG dirt bike owners fixing crashes. Do it yourself on your ATV or dirt bike.	View on Amazon (paid link)
EMLIAUMU 6 Pin AC CDI Box for GY6 50cc 125cc 150cc ATV Go Kart Scooter Moped Quad Bike｜High Performance Ignition Module Replacement Part	This CDI box is perfect for owners of GY6-powered vehicles like scooters, ATVs, and Go Karts. It’s ideal for those seeking better performance and reliable ignition.	View on Amazon (paid link)
MOREV 6-Pin AC CDI Ignition Module for CG 125cc-250cc Dirt Bike/ATV Models	This part is perfect for owners of CG 125cc, 150cc, or 250cc Dirt Bikes and ATVs. It is a great fit for select models like the Tao TBR7.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Aftermarket CDI Modules in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value. Whether you need a reliable upgrade or a high-performance boost, this guide has you covered. Find the perfect CDI module to enhance your ride today!

1. DB Electrical CDI Module for Polaris ATV Magnum 500 HDS 499 2000-2002

Upgrade your Polaris ATV Magnum 500 HDS 499 with the DB Electrical CDI Module. This 100% new aftermarket CDI is built to meet OEM specifications, ensuring reliable performance. It’s a direct replacement for your old module, so you can restore power and smooth operation to your ride.

The DB Electrical CDI Module has a model number 160-02051. It’s compact and lightweight, making it easy to install.

This high-quality CDI module is packaged in a small, easy-to-handle box. It’s lightweight at just 1.0 lb, so you can carry it with you anywhere. The dimensions are 5.0″ L x 4.0″ W x 3.0″ H, so it fits in most toolboxes or car trunks.

Pros	Cons
Brand-new CDI module, not refurbished. Meets OEM specs, ensures reliable performance. Compact size, easy to install and fit. Lightweight design, just 1 pound.	No warranty info provided. Aftermarket part, not OEM. Limited compatibility, only fits specific models.

Perfect For:

Polaris ATV owners with old Magnum bikes need this fix. It helps broken engines run well with a new CDI module.

Ready to Purchase?

View Price on Amazon (paid link)

2. Amavoler Cdi Module Aftermarket Replacement Parts Fit For Trx90 Trx 90 1993-2005 E Advance ESP1541.OEM#: 30410-HF7-000 30410-HF7-008.

Upgrade your ATV with the Amavoler CDI Module, a high-quality replacement part for your HP CDI Box TRX 90 Fourtrax Sportrax. This module fits 1993-2005 models and replaces OEM numbers like ESP1541 and 30410-HF7-008. It’s built to last, ensuring long-term performance.

The Amavoler CDI Module is compatible with Arrowhead, Honda, J & N, and Tucker Rocky models. Always check the size and fit before purchasing.

This module is easy to install and durable, making it a great choice for ATV enthusiasts. The package includes 1 X CDI Module, ready for your upgrade. Confirm compatibility before buying.

Pros	Cons
Fits Honda TRX90 For Many Years Built to last a long time Easy OEM part replacement Works Great on Your ATV Contains high quality parts	Not an original part, it’s an aftermarket replacement. Compatibility check needed before buying, no guarantee it fits. No extra parts included, just the CDI module.

Perfect For:

Honda TRX 90 owners need this part. It keeps your machine running smooth every time you hit the trail.

Ready to Purchase?

View Price on Amazon (paid link)

3. DB Electrical CDI Module for Honda ATV TRX450R Sportrax 433 2006-2009

Boost your Honda TRX450R with this new CDI unit. It fits 2006-2009 models perfectly.

The part replaces OEM numbers like 30410-HP1-601. It is 100% new and built for reliability. You get a 1-year warranty for peace of mind.

Pros	Cons
Perfect fit for Honda TRX450R 2006-2009. Meets OEM specs for great engine performance. Has a full 1-year warranty you can trust. 100% new CDI module for reliable power. Fixes electrical issues for smooth ATV running.	Not OEM: Aftermarket part, not original Honda. Limited fit: Only for 2006-2009 TRX450R. No install guide: You’ll need to figure it out.

Perfect For:

This CDI module is perfect for Honda ATV owners with a TRX450R built between 2006 and 2009. It gives your ride a strong power boost and ensures it runs smoothly on rough trails.

Ready to Purchase?

View Price on Amazon (paid link)

4. Sandfren Motorcycle 6 Pin AC CDI Box, High Performance Scooter Go Kart Ignition Module Replacement, Motorbike Ignition Accessories for GY6 50cc-150cc Engine ATM50A-1 RX50 DVX50

Sandfren Motorcycle 6 Pin AC CDI Box, High Performance Scooter Go Kart Ignition Module Replacement, Motorbike Ignition Accessories for GY6 50cc-150cc Engine ATM50A-1 RX50 DVX50

The Sandfren Motorcycle 6 Pin AC CDI Box is a high-performance upgrade for your scooter or go-kart. It’s built with durable ABS material to protect internal parts. This ensures long-lasting use and reliable performance.

It fits GY6 50cc-150cc engines and many other models. Installation is quick and simple, requiring no special tools.

This CDI box improves ignition accuracy and boosts vehicle performance. It’s a practical replacement for smoother rides. The package includes one 6-pin AC CDI box.

Pros	Cons
Durable ABS casing protects internal parts from damage. Fits many models, from GY6 50cc to 150cc engines. Easy to install, no special tools or skills needed. Boosts performance with stable, accurate ignition control.	Limited to 6-pin models, not universal. No extra parts included, buy separately. Basic package, only one CDI box provided.

Perfect For:

This 6-pin AC CDI box is perfect for anyone with a GY6 50cc-150cc engine or similar models. It’s great for upgrading your motorcycle, scooter, or go-kart ignition system.

Ready to Purchase?

View Price on Amazon (paid link)

5. DB Electrical CDI Module for Yamaha UTV Rhino 660 YXR660F 660 2004-2007

Fix your Rhino 660 with this brand new CDI module. It gives you reliable ignition control for smooth rides. This high-quality part meets strict OEM specs.

It replaces parts like the 5UG-85540-00. Get a 100% new build for dependable engine performance.

Check to see if you have a 2004-2007 model. This fits the YXR660F Rhino well. Get back on the path with quick starts.

Pros	Cons
Fits your specific Yamaha Rhino. Works like the old one. Replaces factory cdi parts. 100% New quality tested part. Easy installation for better power.	Limited to specific Yamaha Rhino models, verify before buying. No installation tools or guides provided. Aftermarket part, not an original Yamaha component.

Perfect For:

This product is perfect for owners of a Yamaha Rhino 660 who need a reliable replacement for their 2004-2007 model. It meets OEM specifications so you can trust it for safe operation on your trails.

Ready to Purchase?

View Price on Amazon (paid link)

6. MOREV 5-Pin AC CDI Ignition Module for 50cc-125cc ATV Dirt Bike and Go Kart

The MOREV 5-Pin AC CDI Ignition Module is a replacement part for 50cc-125cc ATVs, dirt bikes, pit bikes, and go-karts. It fits horizontal 4-stroke engines with a matching AC-fired ignition system. This 5-pin module is not compatible with DC CDI systems or 6-pin GY6 connectors.

Verify compatibility by checking the original CDI ignition type, 5-pin connector shape, terminal positions, wiring layout, and module dimensions. Vehicle brand, model name, or engine displacement alone cannot confirm compatibility.

Compatible with select models from Coolster, TaoTao, SSR, Apollo, Kayo, Baja, Roketa, Kazuma, SunL, and Jetmoto. Always compare specifications before ordering to ensure a perfect fit.

Pros	Cons
Fits many ATV, dirt bike, and go-kart models. Easy to install with standard 5-pin connector. Replaces worn-out CDI modules for better performance. Works with horizontal 4-stroke engines smoothly.	Not for DC systems or 6-pin connectors. Only fits specific models and engines. Requires careful checks before buying.

Perfect For:

This MOREV 5-Pin AC CDI Ignition Module is perfect for owners of 50cc-125cc ATVs, dirt bikes, and go-karts with horizontal 4-stroke engines. It’s ideal for replacing a faulty ignition module in compatible models like Coolster, TaoTao, SSR, and Apollo.

Ready to Purchase?

View Price on Amazon (paid link)

7. DB Electrical CDI Module for Yamaha ATV Raptor 50 YFM50 49 2004-2008

The DB Electrical CDI Module is designed for Yamaha ATV Raptor 50 YFM50 49 models from 2004 to 2008. It’s a 100% new aftermarket part built to meet OEM specifications, ensuring reliable performance.

This module replaces multiple OEM numbers and comes with a 1-year warranty. If it doesn’t work, we’ll replace it. Simple, clear, and hassle-free.

Pros	Cons
Fits Yamaha Raptor 50 YFM50 perfectly, 2004-2008 models. Replaces multiple OEM numbers, saving time and hassle. 1-year warranty ensures peace of mind after purchase. Brand-new aftermarket CDI, built to OEM specs.	Not for older or newer models, check compatibility first. Aftermarket part, not an original Yamaha component. Warranty requires contacting support, no instant replacements.

Perfect For:

This part fits YAMAHA Raptor 50 YFM50 models from 2004 to 2008, which makes it a great option for riders who need a quick fix.

Ready to Purchase?

View Price on Amazon (paid link)

8. MOREV 6-Pin DC CDI Ignition Module for CG 150cc-250cc Dirt Bike ATV Engines

Fix your dirt bike’s engine with the right ignition module. It works well for many CG engines.

This module gives your bike a steady spark. It fits the 6-pin plug found on your machine. It replaces old or broken parts perfectly.

Check that it fits your bike model first. It fits Tao and Apollo tools too. Get ready to ride today.

Pros	Cons
Stable ignition for reliable engine performance. Fits CG engines, dirt bikes, and ATVs seamlessly. 6-pin connector ensures easy installation. Compatible with popular models like TaoTao and RPS Hawk.	Not for AC CDI systems or GY6 scooters. Limited compatibility with specific models only. Must verify connector shape and pin positions before buying.

Perfect For:

This tool is perfect for CG dirt bike owners fixing crashes. Do it yourself on your ATV or dirt bike.

Ready to Purchase?

View Price on Amazon (paid link)

9. EMLIAUMU 6 Pin AC CDI Box for GY6 50cc 125cc 150cc ATV Go Kart Scooter Moped Quad Bike｜High Performance Ignition Module Replacement Part

The EMLIAUMU 6 Pin AC CDI Box is a high-performance ignition module for GY6 engines. It fits 50cc to 150cc scooters, ATVs, and Go Karts, offering stable engine performance.

This CDI box has a 6-pin round connector and AC fired design. It’s compact, durable, and easy to install, with no rev limiter for better acceleration.

Key features: racing-style upgrade, long-lasting durability, quick installation.

Pros	Cons
Fits many GY6 engines, from 49cc to 150cc. 6-pin round connector ensures accurate ignition and stable performance. No rev limiter boosts acceleration and throttle response. Durable design resists wear and aging for long-lasting use.	Only fits GY6 engines Certain bikes won’t work Hard to install

Perfect For:

This CDI box is perfect for owners of GY6-powered vehicles like scooters, ATVs, and Go Karts. It’s ideal for those seeking better performance and reliable ignition.

Ready to Purchase?

View Price on Amazon (paid link)

10. MOREV 6-Pin AC CDI Ignition Module for CG 125cc-250cc Dirt Bike/ATV Models

The MOREV 6-Pin AC CDI Ignition Module is designed for CG 125cc-250cc engines. It works with select dirt bikes and ATVs. This module fits specific models with a matching 6-pin AC ignition system.

Before buying, verify compatibility with your vehicle. Check the ignition type, connector shape, and wiring layout to ensure a proper fit.

Pros	Cons
Fits CG 125cc-250cc engines for easy replacement. 6-pin connector ensures a perfect match for AC systems. Works with popular models like TaoTao and RPS Hawk. Simple verification avoids wrong purchases.	Not for DC systems, GY6 scooters, or mismatched pins. Limited compatibility—verify connector, wiring, and dimensions first. No universal fit—specific to select CG-style engines only.

Perfect For:

This part is perfect for owners of CG 125cc, 150cc, or 250cc Dirt Bikes and ATVs. It is a great fit for select models like the Tao TBR7.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Upgrading your ride starts with the right CDI module. These small parts control ignition timing, boosting performance. Choose wisely for a smoother, more powerful ride.

Factors to Consider When Buying the Best Aftermarket CDI Module:

Compatibility:
Check your vehicle’s make, model, and year. Ensure the CDI module fits your engine type and ignition system.
Performance Needs:
Decide if you want a reliable replacement or a high-performance upgrade. Choose based on your riding goals.
Quality and Durability:
Look for modules built to OEM specs or better. Durable materials ensure long-lasting performance.
Ease of Installation:
Pick a module that’s easy to install. Compact and lightweight designs make the process simpler.
Warranty and Support:
Opt for products with warranties. This adds peace of mind and ensures you’re covered if issues arise.
Price and Value:
Balance cost with quality. A higher price doesn’t always mean better performance, so compare options.
Brand Reputation:
Choose trusted brands known for reliability. Reviews and ratings can guide your decision.

Engaging Experience:
Finding the perfect CDI module is like unlocking your vehicle’s hidden potential. With the right choice, you’ll feel the difference in power and smoothness. Whether you’re fixing a problem or seeking an upgrade, this guide ensures you make the best decision.