Looking for the best Polaris Scrambler CDI modules? We’ve compiled the top 10 picks to ensure your ATV starts fast, runs strong, and delivers smooth performance on every ride.
Looking for the best Polaris Scrambler CDI modules? You’re in the right place. We’ve gathered top picks to keep your ATV running smoothly.
CDI modules are key for your engine’s performance. They control ignition timing and power. A good one ensures your ride starts fast and runs strong.
Ready to upgrade? Our guide makes it easy. Find the perfect fit for your Polaris Scrambler and hit the trails with confidence.
List of Top 10 Polaris Scrambler CDI Modules
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
Tuzliufi CDI Box Module Igniter Compatible with Polaris Scrambler Sportsman Predator 50 90 Carb Parts 0451018 0452187 0451021 2003 2004 2005 2006 New Z191 |
Parents who want their young child’s ATV speed slow for safety and children just learning to ride will love this product. It limits speed on Polaris models and fits many bikes safely. |
|
![]() |
OXCANO 3084691 CDI Module Box for Polaris Sportsman 335, 500 6X6, 400, 500 |
This CDI Module Box is perfect for Polaris owners with older models like the Sportsman, Scrambler, Magnum, Big Boss, Xplorer, or Worker. It’s a durable, lightweight replacement for a smooth ride. |
|
![]() |
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 CDI Box Ignition Module is perfect for owners of Ranger, Magnum, Scrambler, or Sportsman ATVs from 1996 to 2001. It’s a direct replacement for worn-out parts, ensuring your ride runs smoothly. |
|
![]() |
gnition CDI Box For Polaris Trail Blazer 250/Trail Boss 250/Scrambler 400 |
This CDI box is perfect for Polaris owners who need a reliable ignition system. It’s great for older models like the Trail Blazer, Scrambler, and Xplorer, ensuring stable performance under any condition. |
|
![]() |
Zoucsj Performance CDI Module CDI Box Ignitor For Polaris Sportsman 500 499Cc 1996-2000 Atv |
This CDI module is perfect for ATV owners who need a reliable replacement part. It’s easy to install and fits specific Polaris models like the Sportsman 500 and Scrambler 500. |
|
![]() |
DB Electrical CDI Module for Polaris Sportsman 500 4×4 HO 499 425 2002-2004 |
Looking for a reliable fix for your Polaris ATV or UTV that keeps stalling or losing power? This CDI Module is the perfect solution — it’s built to match the exact OEM specifications of your original part. Whether you’re riding a Sportsman 500 4×4 HO, a Ranger 6×6, or a Magnum 500, this aftermarket replacement part fits and performs just like the real thing. With a 1-year warranty and full compatibility with many 2002–2004 Polaris models, it gives you a safe, budget-friendly way to get back on the trail. Stop struggling with faulty ignition — this new CDI box delivers strong, consistent sparks so you can ride with confidence. |
|
![]() |
labwork 8 pin CDI Replacement for Polaris Big Boss Magnum 500 Scrambler 500 Sportsman 400 500 Replacement for 3087169 |
This CDI part is a perfect match for Polaris ATV owners needing stable performance and easy repairs. It fits the Sportsman 400 500, Big Boss Magnum 500, and Scrambler 500. |
|
![]() |
CDI Box Module for Polaris Sportsman 90 Predator Scrambler 50 90 ATV with Voltage Regulator Rectifier&Ignition Coil&Starter Relay Solenoid 2001-2006 |
This CDI Box Module is perfect for ATV owners who need a reliable repair part. It fits many Polaris Sportsman 90, Predator 90, Scrambler 50, and Scrambler 90 models from 2001 to 2006. If your ATV won’t start or runs poorly, this could be the fix. It includes a Voltage Regulator Rectifier, Ignition Coil, and Starter Relay Solenoid. Easy to install. Strong and durable. |
|
![]() |
Silscvtt CDI Replacement for Polaris Sportsman 500 HO Scrambler Magnum 500 |
This CDI replacement is perfect for owners of Polaris Sportsman 500 HO, Scrambler 500, or Magnum 500 models from 2002-2003. If your vehicle needs a reliable CDI, this product is a great fit. |
|
![]() |
CDI MODULE BOX POLARIS SPORTSMAN 500 Years 2000-2002, 160-02051 |
This CDI module is perfect for owners of Polaris ATVs and UTVs from model years 2000 to 2002. If your sportsman 500, magnum 500, or scrambler 500 is misfiring or hard to start, this replacement cdi solves the issue. It is built to match oem specs and comes with a 1-year warranty. Easy to install and 100% new, this aftermarket part keeps your powersports machine running strong. |
Detailed Reviews
Discover the top 10 Polaris Scrambler CDI Modules handpicked for performance and value. Each product is expert-reviewed and backed by customer feedback. Whether you need durability, affordability, or easy installation, this guide has you covered. Find the perfect fit for your ATV and ride with confidence.
1. Tuzliufi CDI Box Module Igniter Compatible with Polaris Scrambler Sportsman Predator 50 90 Carb Parts 0451018 0452187 0451021 2003 2004 2005 2006 New Z191

The Tuzliufi CDI Box Module Igniter is a replacement part for Polaris ATVs. It works with models like the Scrambler, Sportsman, and Predator 50/90. Check your ATV’s model and year before buying.
This part has 7 wires, so compare it to your original CDI. If yours has 5 wires, this won’t fit. Look for Z252 in our store for the 5-wire version.
It includes a jumper clip to limit speed for kids. Remove it if you don’t need this feature. Always check the diagram before installing.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Parents who want their young child’s ATV speed slow for safety and children just learning to ride will love this product. It limits speed on Polaris models and fits many bikes safely.
Ready to Purchase?
2. OXCANO 3084691 CDI Module Box for Polaris Sportsman 335, 500 6X6, 400, 500

The OXCANO 3084691 CDI Module Box is a perfect fit for many Polaris models. It works with Sportsman, Scrambler, Magnum, and more. Check your vehicle year to ensure compatibility.
Made from premium materials, it’s lightweight and durable. This ensures long-lasting performance for your ATV.
The package includes one CDI module box. Always double-check your vehicle fitment before ordering. It’s a simple upgrade for smoother rides.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI Module Box is perfect for Polaris owners with older models like the Sportsman, Scrambler, Magnum, Big Boss, Xplorer, or Worker. It’s a durable, lightweight replacement for a smooth ride.
Ready to Purchase?
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

The DEVMO CDI Box Ignition Module is a direct replacement for your vehicle. It fits many models from 1996 to 2001, like the Ranger, Magnum, and Sportsman.
Made of high-quality ABS plastic, it’s durable and long-lasting. Includes a 12-month warranty for peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI Box Ignition Module is perfect for owners of Ranger, Magnum, Scrambler, or Sportsman ATVs from 1996 to 2001. It’s a direct replacement for worn-out parts, ensuring your ride runs smoothly.
Ready to Purchase?
4. gnition CDI Box For Polaris Trail Blazer 250/Trail Boss 250/Scrambler 400

The Ignition CDI Box is built for Polaris ATVs. It fits multiple models from 1989 to 2006. This part keeps your ride running smoothly.
It works with Trail Blazer, Scrambler, and Xplorer models. The box uses reliable materials and ST chips. It ensures stable performance in all conditions.
This CDI box has passed FCC certification. It’s made with advanced processes. Trust it for dependable ignition every time.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI box is perfect for Polaris owners who need a reliable ignition system. It’s great for older models like the Trail Blazer, Scrambler, and Xplorer, ensuring stable performance under any condition.
Ready to Purchase?
5. Zoucsj Performance CDI Module CDI Box Ignitor For Polaris Sportsman 500 499Cc 1996-2000 Atv

The Zoucsj Performance CDI Module is a perfect fit for specific Polaris ATV models. It works with Sportsman 500, Scrambler 500, and more. This CDI box ensures your ATV runs smoothly.
Installation is simple and fast, replacing original parts with ease. The package includes one CDI module, ready for use.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI module is perfect for ATV owners who need a reliable replacement part. It’s easy to install and fits specific Polaris models like the Sportsman 500 and Scrambler 500.
Ready to Purchase?
6. DB Electrical CDI Module for Polaris Sportsman 500 4×4 HO 499 425 2002-2004

This CDI module fixes your ATV’s engine. It fits the Polaris Sportsman 500 just right. It is made strong for long use.
Get a one year warranty for peace of mind. It is a safe choice for your ride.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Looking for a reliable fix for your Polaris ATV or UTV that keeps stalling or losing power? This CDI Module is the perfect solution — it’s built to match the exact OEM specifications of your original part. Whether you’re riding a Sportsman 500 4×4 HO, a Ranger 6×6, or a Magnum 500, this aftermarket replacement part fits and performs just like the real thing. With a 1-year warranty and full compatibility with many 2002–2004 Polaris models, it gives you a safe, budget-friendly way to get back on the trail. Stop struggling with faulty ignition — this new CDI box delivers strong, consistent sparks so you can ride with confidence.
Ready to Purchase?
7. labwork 8 pin CDI Replacement for Polaris Big Boss Magnum 500 Scrambler 500 Sportsman 400 500 Replacement for 3087169

This unit fits Polaris machines. It replaces the old part.
Check the photo first. The job is easy to do. It works on the big models.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI part is a perfect match for Polaris ATV owners needing stable performance and easy repairs. It fits the Sportsman 400 500, Big Boss Magnum 500, and Scrambler 500.
Ready to Purchase?
8. CDI Box Module for Polaris Sportsman 90 Predator Scrambler 50 90 ATV with Voltage Regulator Rectifier&Ignition Coil&Starter Relay Solenoid 2001-2006

CDI Box Module keeps your Polaris ATV running strong. It fits many Polaris Sportsman 90 and Scrambler models. This kit has everything you need for ignition and electrical repair.
Voltage Regulator Rectifier stops power surges. Starter Relay Solenoid and Ignition Coil help your engine start right.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI Box Module is perfect for ATV owners who need a reliable repair part. It fits many Polaris Sportsman 90, Predator 90, Scrambler 50, and Scrambler 90 models from 2001 to 2006. If your ATV won’t start or runs poorly, this could be the fix. It includes a Voltage Regulator Rectifier, Ignition Coil, and Starter Relay Solenoid. Easy to install. Strong and durable.
Ready to Purchase?
9. Silscvtt CDI Replacement for Polaris Sportsman 500 HO Scrambler Magnum 500

The Silscvtt CDI Replacement is a perfect fit for your Polaris Sportsman 500 HO, Scrambler 500, or Magnum 500. It works for 2002-2003 models.
This CDI replacement is built to last. It meets strict production standards and is designed for strength.
Package includes: 1 x CDI. Part numbers: 160-02120, 3087169. Check compatibility before ordering.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI replacement is perfect for owners of Polaris Sportsman 500 HO, Scrambler 500, or Magnum 500 models from 2002-2003. If your vehicle needs a reliable CDI, this product is a great fit.
Ready to Purchase?
10. CDI MODULE BOX POLARIS SPORTSMAN 500 Years 2000-2002, 160-02051

This CDI module powers your off-road vehicle. It fits the Sportsman and Big Boss models from 2000 to 2002. Get a fresh part that starts the engine well.
This motor part replaces old stock units. It meets strict OEM standards for performance.
We give a full one-year warranty on this tool. If you need help, we will send a brand new unit. Click now to order this reliable part for your bike.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This CDI module is perfect for owners of Polaris ATVs and UTVs from model years 2000 to 2002. If your sportsman 500, magnum 500, or scrambler 500 is misfiring or hard to start, this replacement cdi solves the issue. It is built to match oem specs and comes with a 1-year warranty. Easy to install and 100% new, this aftermarket part keeps your powersports machine running strong.
Ready to Purchase?
Buying Guide
Looking for the best Polaris Scrambler CDI module? We’ve got you covered. Our guide makes it easy to find the perfect fit for your ATV.
Why Upgrade Your CDI Module?
A good CDI module keeps your engine running smoothly. It controls ignition timing and power, so your ride starts fast and runs strong. Ready to upgrade? Let’s find the best one for you.
Factors to Consider When Buying a Polaris Scrambler CDI Module:
- Compatibility: Check your ATV’s model and year to ensure the CDI module fits. Not all modules work with every Polaris Scrambler.
- Wire Count: Compare the number of wires on the new module to your original one. Mismatched wires mean it won’t work.
- Material Quality: Look for durable materials like ABS plastic or premium components. These ensure long-lasting performance.
- Warranty: A warranty gives peace of mind. Choose modules with at least a 12-month warranty for added protection.
- Installation: Some modules are easy to install, while others need more work. Check if it’s a direct replacement or requires extra steps.
- Performance Features: Look for speed limiters or advanced chips if you need specific performance features.
- Certification: Modules with FCC certification are tested for reliability. They ensure stable performance in all conditions.
- Price: Balance cost with quality. A higher price doesn’t always mean better performance.
Engaging Experience:
Upgrading your CDI module is a smart move. It boosts your ATV’s performance and keeps it running like new. With our guide, you’ll find the perfect match for your Polaris Scrambler. Hit the trails with confidence and enjoy a smoother ride.