Best Polaris Magnum CDI Modules

Looking for the best Polaris Magnum CDI modules? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your ATV.

Polaris Magnum ATVs are known for their power and reliability. To keep them running smoothly, a CDI module is essential. It controls the ignition timing, ensuring your engine performs at its best.

We’ve tested and reviewed the best Polaris Magnum CDI modules available. These parts are 100% new and built to OEM specifications. They fit perfectly and restore your ATV’s power quickly.

Whether you’re fixing a hard start or upgrading for better performance, we’ve got you covered. Our guide makes it easy to find the right CDI module for your Polaris Magnum. Let’s get your ATV running like new!

List of Top 10 Polaris Magnum CDI Modules

Title	Best For	Price
DB Electrical CDI Module for Polaris ATV Magnum 500 HDS 499 2000-2002	This CDI Module is the perfect fix for owners of the 2000 to 2002 Polaris Magnum ATV. You will get a strong engine that starts fast and runs smooth.	View on Amazon (paid link)
ZUDKSUY 3084691 CDI Module Box, Replacement for Polaris Sportsman 335 1999-2000, Replacement for Polaris Magnum 425 1995-1998, Replacement for Polaris Xplorer 500 1997	This CDI module box is perfect for Polaris owners who need a reliable replacement for their Sportsman, Magnum, Xplorer, or Worker models. It’s easy to install and works great in any weather.	View on Amazon (paid link)
DEVMO CDI Box Ignition Module Compatible with Ranger Magnum Scrambler Sportsman 335 400 500 4X4 6X6 CDI 1996-2001 3085639 3084691 3086982 3085564 3085382	This part is perfect for owners of old ATVs with bad starts. It fixes stuck engines on many Polaris models easily.	View on Amazon (paid link)
DB Electrical CDI Module for Polaris Sportsman 500 4×4 HO 499 425 2002-2004	ATV and UTV owners who need a reliable CDI module replacement will find this part perfect for their Polaris Sportsman 500 4×4 HO and many other models from 2002 to 2004. This brand-new aftermarket CDI meets OEM specifications, so your machine runs smoothly. The 1-year warranty gives peace of mind after your purchase.	View on Amazon (paid link)
OXCANO 3084691 CDI Module Box for Polaris Sportsman 335, 500 6X6, 400, 500	Old Polaris owner needs this part. It fixes the engine.	View on Amazon (paid link)
CDI Box Ignition Coil Spark plug For Polaris Trail Boss 330 2003-2013 Boss 325 2000-2003 Magnum 330 2003-2006 3087253 3088209	This CDI Box Ignition Coil Spark Plug is perfect for Polaris owners who need a reliable replacement for their Magnum 330, Trail Boss 330, or Boss 325. It’s easy to install and comes with everything you need to get your vehicle running smoothly again.	View on Amazon (paid link)
for Polaris Magnum 4010944 4010697 Control Module ECM Compatible with 2003-2004 Polaris ATP Magnum 330 Trail Boss 330 for Polaris ATV Motorcycle Snowmobile Watercraft	This control module is perfect for Polaris owners who need a reliable replacement for their 2003-2004 ATVs, motorcycles, or snowmobiles. It’s easy to install and built to last.	View on Amazon (paid link)
BH-Motor New CDI Box Ignitor for Polaris Magnum 425 Sportsman 400 500 Scrambler 500 Ranger 500	This CDI Box is perfect for owners of Polaris ATVs like the Magnum 425, Sportsman 400, Scrambler 500, and Ranger 500. If your machine has engine starting issues, this ignitor fixes that. It delivers a strong spark for smooth engine performance. Easy to install and built to last. Get back to riding fast.	View on Amazon (paid link)
labwork 8 pin CDI Replacement for Polaris Big Boss Magnum 500 Scrambler 500 Sportsman 400 500 Replacement for 3087169	This 8 pin CDI box is perfect for Polaris Big Boss and Magnum 500 owners who need a reliable replacement. It fits Scrambler 500 and Sportsman 400 500 ATVs. This direct fit CDI replaces part number 3087169. You get stable performance with easy installation. Just match the 8 pin interface with your old part. Check the photo before buying. This CDI unit brings smooth engine operation. It helps your ATV run better.	View on Amazon (paid link)
Caltric CDI Module Compatible with Polaris Magnum 500 4X4 HDS 2000 2001 2002 Atv	Own a Polaris ATV acting up? Stop the engine issues in their tracks.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Polaris Magnum CDI Modules in this guide, carefully selected for performance, durability, and value. Each product is reviewed to help you find the perfect fit for your ATV. Read on to make an informed choice and keep your Polaris running smoothly.

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

Restore your Polaris Magnum ATV’s power with this new CDI Module. It fits models from 2000 to 2002 perfectly.

This part is 100% new and built to meet OEM specifications. It replaces the 160-02051 model number with ease.

The 5.0\” L x 4.0\” W box fits your space well. It weighs just 1.0 lb. Order yours now for a quick fix.

Pros	Cons
Perfect fit for your Polaris ATV models 100% new and built to last Meets all OEM specs with ease Gives your ATV a strong spark Easy to install and use	Not an original Polaris part, it’s an aftermarket product. Small package size might not fit all storage needs. Limited compatibility, only for specific Polaris models.

Perfect For:

This CDI Module is the perfect fix for owners of the 2000 to 2002 Polaris Magnum ATV. You will get a strong engine that starts fast and runs smooth.

Ready to Purchase?

View Price on Amazon (paid link)

2. ZUDKSUY 3084691 CDI Module Box, Replacement for Polaris Sportsman 335 1999-2000, Replacement for Polaris Magnum 425 1995-1998, Replacement for Polaris Xplorer 500 1997

ZUDKSUY 3084691 CDI Module Box, Replacement for Polaris Sportsman 335 1999-2000, Replacement for Polaris Magnum 425 1995-1998, Replacement for Polaris Xplorer 500 1997

The ZUDKSUY 3084691 CDI Module Box is a reliable replacement for several Polaris models. It fits Sportsman 335, Magnum 425, and Xplorer 500 vehicles. This module controls ignition timing for better engine performance.

Its lightweight design makes installation easy. It also resists harsh weather, ensuring durability in any condition.

Pros	Cons
Fits many Polaris vehicles perfectly Boosts engine power efficiently Works well in different weather types Easy to install and replace Lightweight design speeds up maintenance	No warranty info provided for this product. Limited compatibility with newer Polaris models. Not OEM, may vary in quality.

Perfect For:

This CDI module box is perfect for Polaris owners who need a reliable replacement for their Sportsman, Magnum, Xplorer, or Worker models. It’s easy to install and works great in any weather.

Ready to Purchase?

View Price on Amazon (paid link)

3. DEVMO CDI Box Ignition Module Compatible with Ranger Magnum Scrambler Sportsman 335 400 500 4X4 6X6 CDI 1996-2001 3085639 3084691 3086982 3085564 3085382

DEVMO CDI Box Ignition Module Compatible with Ranger Magnum Scrambler Sportsman 335 400 500 4X4 6X6 CDI 1996-2001 3085639 3084691 3086982 3085564 3085382

The DEVMO CDI Box Ignition Module is a reliable replacement part. It works with many Polaris ATV and UTV models. This high-quality part lasts a long time.

It directly replaces part numbers 3085639, 3084691, and others. Made from durable ABS plastic, it ensures strong performance.

The package includes 1 piece CDI Box Ignition Module. We offer a 12-month warranty for your peace of mind.

Pros	Cons
Directly replace your existing ignition module Made of high-quality ABS plastic Durable and built to last Uses replacement part numbers listed below Enjoy 12-Months-Warranty directly from Amazon	Only fits select Polaris models from 1996-2003. Limited warranty of just 12 months. Plastic build may wear out over time.

Perfect For:

This part is perfect for owners of old ATVs with bad starts. It fixes stuck engines on many Polaris models easily.

Ready to Purchase?

View Price on Amazon (paid link)

4. DB Electrical CDI Module for Polaris Sportsman 500 4×4 HO 499 425 2002-2004

DB Electrical CDI Module for Polaris Sportsman 500 4x4 HO 499 425 2002-2004

This CDI Module is a direct replacement for your Polaris Sportsman 500 4×4 HO. It matches OEM Numbers like Arrowhead 160-02120 and Polaris 3087169. The part fits 2002 to 2004 models.

It is compatible with many Polaris ATVs and UTVs. This includes the Big Boss 500 6×6 and Ranger 500 4×4. It also works on the Sportsman 400 and Magnum 500.

The CDI Module is 100% New and built to meet OEM specs. It comes with a 1-year warranty for your peace of mind.

Pros	Cons
Fits many Polaris models 1-year warranty for peace Meets exact specs perfectly Fixes engine issues fast New part at a great price	Not factory made; differs slightly from original. Warranty only; does not change product performance. Takes work; won’t fix other wiring issues.

Perfect For:

ATV and UTV owners who need a reliable CDI module replacement will find this part perfect for their Polaris Sportsman 500 4×4 HO and many other models from 2002 to 2004. This brand-new aftermarket CDI meets OEM specifications, so your machine runs smoothly. The 1-year warranty gives peace of mind after your purchase.

Ready to Purchase?

View Price on Amazon (paid link)

5. OXCANO 3084691 CDI Module Box for Polaris Sportsman 335, 500 6X6, 400, 500

The OXCANO 3084691 CDI Module Box is a reliable replacement part for your Polaris ATV. It fits multiple models, including Sportsman and Magnum. This part ensures your vehicle runs smoothly.

Made from premium materials, it’s lightweight yet durable. It’s built to last, giving you long-term performance.

Before buying, check your vehicle fitment in the description. The package includes one CDI module box. It’s a simple upgrade for your ride.

Pros	Cons
Fits multiple Polaris models, ensuring wide compatibility. Crafted from premium materials for durability and lightweight design. Long-lasting performance for reliable use. Includes 1 CDI Module Box, ready for easy installation.	Limited Compatibility: Only fits specific Polaris models, check carefully. Single Item: Package includes just one CDI Module Box, no extras. No Installation Guide: No instructions provided, may require professional help.

Perfect For:

Old Polaris owner needs this part. It fixes the engine.

Ready to Purchase?

View Price on Amazon (paid link)

6. CDI Box Ignition Coil Spark plug For Polaris Trail Boss 330 2003-2013 Boss 325 2000-2003 Magnum 330 2003-2006 3087253 3088209

This CDI Box Ignition Coil Spark Plug set is perfect for Polaris ATVs. It fits Polaris Magnum 330, Trail Boss 330, and Boss 325 models from specific years. The package includes one CDI Box, one Ignition Coil, and one Spark Plug.

Before buying, check if your model matches. Use the pictures and OEM numbers for help. We offer full support and quality assurance for all purchases.

Pros	Cons
Easy installation – fits your Polaris ATV perfectly Durable CDI box delivers reliable spark every time Complete kit – includes coil, plug, and box Affordable price saves you money Quality warranty backs your purchase	No installation guide included, might need expert help. Limited compatibility, check model carefully before buying. No warranty details provided, risk of unclear coverage.

Perfect For:

This CDI Box Ignition Coil Spark Plug is perfect for Polaris owners who need a reliable replacement for their Magnum 330, Trail Boss 330, or Boss 325. It’s easy to install and comes with everything you need to get your vehicle running smoothly again.

Ready to Purchase?

View Price on Amazon (paid link)

7. for Polaris Magnum 4010944 4010697 Control Module ECM Compatible with 2003-2004 Polaris ATP Magnum 330 Trail Boss 330 for Polaris ATV Motorcycle Snowmobile Watercraft

for Polaris Magnum 4010944 4010697 Control Module ECM Compatible with 2003-2004 Polaris ATP Magnum 330 Trail Boss 330 for Polaris ATV Motorcycle Snowmobile Watercraft

This control module works for many Polaris vehicles. It fits the ATP, Magnum, and Trail Boss models. It matches original equipment numbers for easy use.

The internal parts hold power very well. Seals stop water from getting inside.

You can put it in with no assembly work. We check every item before shipping.

Pros	Cons
Fits your Polaris ATV perfectly Sealed design rejects water for durability High-grade parts ensure better charging Easy to install with no assembly Tested parts carry a strong guarantee	Installation requires a qualified technician for safety Water resistance may fail in extreme moisture conditions Compatibility limited to specific model years only

Perfect For:

This control module is perfect for Polaris owners who need a reliable replacement for their 2003-2004 ATVs, motorcycles, or snowmobiles. It’s easy to install and built to last.

Ready to Purchase?

View Price on Amazon (paid link)

8. BH-Motor New CDI Box Ignitor for Polaris Magnum 425 Sportsman 400 500 Scrambler 500 Ranger 500

Replace your old, weak CDI box with a new BH-Motor unit today. This ignitor gets your ATV engine running strong and fast. Fix hard starting problems and enjoy a smoother ride right away.

It fits many models perfectly like the Magnum 425 and Sportsman 500. The unit works well with your scrambler and Ranger 500 too. Get the right part to keep your Polaris running for miles.

Upgrade your vehicle for better performance and handle any trail with ease. Choose BH-Motor for quality parts that you can trust fully.

Pros	Cons
New CDI box fixes the ignition issue. Starts the engine up fast and easy. Works on many Polaris vehicle models. Solves poor running or hard starting now. Fits your ATV with a simple swap.	Limited Compatibility with other ATV models, check before buying. No Installation Guide included, may require extra research. Not Waterproof, avoid exposure to rain or moisture.

Perfect For:

This CDI Box is perfect for owners of Polaris ATVs like the Magnum 425, Sportsman 400, Scrambler 500, and Ranger 500. If your machine has engine starting issues, this ignitor fixes that. It delivers a strong spark for smooth engine performance. Easy to install and built to last. Get back to riding fast.

Ready to Purchase?

View Price on Amazon (paid link)

9. labwork 8 pin CDI Replacement for Polaris Big Boss Magnum 500 Scrambler 500 Sportsman 400 500 Replacement for 3087169

The labwork 8 pin CDI is a direct replacement for Polaris Big Boss, Magnum 500, Scrambler 500, and Sportsman 400/500 models. It replaces part number 3087169 and ensures stable performance.

It’s easy to install, fits perfectly, and has an 8-pin interface. Always compare the photo with your old part before buying.

Pros	Cons
Perfect fit for Polaris Big Boss, Magnum, Scrambler, Sportsman models. Replaces part 3087169 seamlessly, saving time and effort. Stable performance ensures reliable engine operation every time. Easy installation with direct replacement design, no hassle. 8-pin interface matches original parts for a flawless upgrade.	Limited compatibility – Only fits specific Polaris models May cause engine issues if incorrect installation Not suitable for modified or aftermarket parts

Perfect For:

This 8 pin CDI box is perfect for Polaris Big Boss and Magnum 500 owners who need a reliable replacement. It fits Scrambler 500 and Sportsman 400 500 ATVs. This direct fit CDI replaces part number 3087169. You get stable performance with easy installation. Just match the 8 pin interface with your old part. Check the photo before buying. This CDI unit brings smooth engine operation. It helps your ATV run better.

Ready to Purchase?

View Price on Amazon (paid link)

10. Caltric CDI Module Compatible with Polaris Magnum 500 4X4 HDS 2000 2001 2002 Atv

This CDI Module Works For Many Polaris ATVs. Order Includes One Aluminum Module.

Check This Unit Matches Your ATV. Replace Bad CDI. Fix Engine Fast.

Find Your Polaris Model Below. New Module Works Great. Fix Your ATV Now.

Pros	Cons
Exact fit for your ATV Made of aluminum for durability Matches many Polaris models easily High quality replacement part Easy to install yourself	Limited Compatibility: Works only with specific Polaris models. No Installation Guide: Requires DIY skills for setup. Visual Match Needed: Must compare pictures before buying.

Perfect For:

Own a Polaris ATV acting up? Stop the engine issues in their tracks.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Need a new CDI module for your Polaris Magnum ATV? We’ve got you covered. Our guide makes it easy to find the best fit for your ride.

Buying a CDI module can feel tricky, but it’s simple with the right info. Here’s what to look for:

Compatibility:
Make sure the CDI module fits your Polaris Magnum model. Check the year and engine size for a perfect match.
Quality:
Choose a module that’s 100% new and built to OEM specs. This ensures reliable performance and a long lifespan.
Ease of Installation:
Look for a module that’s easy to install. Lightweight designs and clear instructions save you time and hassle.
Durability:
Pick a module that’s weather-resistant and made from premium materials. It should handle tough conditions without failing.
Warranty:
A warranty gives you peace of mind. Look for at least a 1-year guarantee on your purchase.
Price:
Compare prices to find the best value. Don’t sacrifice quality for a lower cost.

Ready to upgrade? With these tips, you’ll find the perfect CDI module for your Polaris Magnum. Get back on the trails with power and reliability!