Looking for the best Prius 2004 to 2009 converter? We’ve compiled a list of top EPA-compliant catalytic converters that are easy to install, fix common issues, and ensure your Prius runs efficiently and eco-friendly.
Upgrading your Toyota Prius from 2004 to 2009? A catalytic converter is key to cleaner emissions and better performance. We’ve found the best options for your car.
These converters are EPA-compliant, easy to install, and built to last. They fix common issues like P0420 and P0436 codes, ensuring your Prius runs smoothly.
Discover the perfect fit for your Prius. Read on to find the top choices that will keep your car efficient and eco-friendly.
List of Top 10 Prius 2004 To 2009 Converter
| Image | Title | Best For | Price |
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ZonCar 16337 Catalytic Converter Stainless Steel Shell Fits Prius 2004 2005 2006 2007 2008 2009 1.5L Catalyst Convertor (EPA Compliant) |
This ZonCar Catalytic Converter is perfect for Prius owners (2004-2009, 1.5L) who need a reliable, EPA-compliant replacement. It’s ideal for fixing engine codes and reducing exhaust noise, offering long-lasting performance and cleaner air. |
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SAROTIN Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L L4 High Flow (EPA Compliant) |
This catalytic converter is perfect for Toyota Prius owners with a 1.5L engine from 2004 to 2009. It’s EPA compliant, easy to install, and fixes P0420 codes while reducing emissions. |
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PHILTOP High Flow Catalytic Converter Compatible with Toyota Prius 1.5L 2004 2005 2006 2007 2008 2009 Catalytic Converter Kit for 16337, 643044, 40712, EC40712 (EPA Compliant) |
This catalytic converter is perfect for Toyota Prius owners with a 1.5L engine from 2004 to 2009. It’s EPA compliant, easy to install, and built to last. |
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Catalytic Converter Fit for 2004 2005 2006 2007 2008 2009 Toyota Prius L4 1.5L, High Flow Catalytic Convertor Replaces 1741021500, 55431, W/Gasket Kit, EPA 16337 Front Direct Fit Catalyst Convert |
This catalytic converter is perfect for Toyota Prius owners who want a reliable, EPA-compliant replacement. It’s easy to install and boosts performance while lowering emissions. |
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SAROTIN Catalytic Converter Compatible with Toyota Prius 1.5L 2004-2009 Complete Unit, EPA Compliant, P0420 Fix, No Welding |
This SAROTIN Catalytic Converter is perfect for Toyota Prius owners with 1.5L engines from 2004 to 2009. It’s ideal for fixing P0420 errors and meets EPA standards, offering a bolt-on, no-weld solution for easy installation. |
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JT Catalytic Converter Compatible with Toyota Prius 2004-2009 1.5L L4 (EPA Compliant) |
This JT Catalytic Converter is perfect for Toyota Prius owners with a 2004-2009 1.5L L4 model. It’s easy to install and meets EPA standards, making it ideal for those who care about the environment and want a reliable, long-lasting solution. |
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PTPDRH Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Replaces 16337 18382F 643044 0961692 40712 (EPA Compliant) |
This PTPDRH Catalytic Converter is perfect for Toyota Prius owners with a 2004-2009 model and a 1.5L engine. It’s EPA-certified, easy to install, and built to last, making it a great choice for those looking to reduce emissions and improve performance. |
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CIRconvert Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L l4 Catalytic Convertor (EPA Compliant) |
This catalytic converter is perfect for Toyota Prius owners with models from 2004 to 2009. It’s EPA certified, durable, and reduces emissions, making it a great choice for those who care about their car and the environment. |
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A-Premium Catalytic Converter Kit Direct-Fit Compatible with Toyota Prius 2004-2009 1.5L, EPA Compliant |
This A-Premium Catalytic Converter Kit is perfect for Toyota Prius owners with 2004-2009 models and a 1.5L engine. It’s EPA-compliant and fits federal emissions standards, making it ideal for those outside restricted states like CA, NY, CO, and ME. |
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Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Catalytic Convertor High Performance (EPA Compliant) |
This high-performance catalytic converter is perfect for Toyota Prius owners from 2004 to 2009 with a 1.5L engine who need a reliable, EPA-compliant replacement. It’s designed for a direct fit, ensuring easy installation and durability with its stainless steel construction. |
Detailed Reviews
Discover the top 10 catalytic converters for 2004-2009 Toyota Prius models, carefully selected based on expert reviews and customer feedback. Each converter is EPA-compliant, ensuring cleaner emissions and reliable performance. Find the perfect fit for your Prius and enjoy a smoother, eco-friendly ride.
1. ZonCar 16337 Catalytic Converter Stainless Steel Shell Fits Prius 2004 2005 2006 2007 2008 2009 1.5L Catalyst Convertor (EPA Compliant)

Upgrade your Prius with the ZonCar 16337 Catalytic Converter! It’s built tough for 2004-2009 models with a 1.5L engine. This EPA-compliant part fixes P0436 codes and reduces noise.
Enjoy cleaner air and a quieter ride. It’s made with quality stainless steel and is ISO-certified.
| Pros | Cons |
|---|---|
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Perfect For:
This ZonCar Catalytic Converter is perfect for Prius owners (2004-2009, 1.5L) who need a reliable, EPA-compliant replacement. It’s ideal for fixing engine codes and reducing exhaust noise, offering long-lasting performance and cleaner air.
Ready to Purchase?
2. SAROTIN Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L L4 High Flow (EPA Compliant)

The SAROTIN Catalytic Converter is perfect for Toyota Prius 1.5L models from 2004 to 2009. It replaces OE part 17410-21500 and fits seamlessly. This converter is EPA compliant, ensuring cleaner exhaust emissions.
It features a direct fit design for easy installation. No cutting or welding is needed, making setup quick and hassle-free.
The converter uses advanced materials coated with precious metals. This boosts emission control and converts toxic gases efficiently. Check your state’s regulations before use, as it’s not CARB compliant.
| Pros | Cons |
|---|---|
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Perfect For:
This catalytic converter is perfect for Toyota Prius owners with a 1.5L engine from 2004 to 2009. It’s EPA compliant, easy to install, and fixes P0420 codes while reducing emissions.
Ready to Purchase?
3. PHILTOP High Flow Catalytic Converter Compatible with Toyota Prius 1.5L 2004 2005 2006 2007 2008 2009 Catalytic Converter Kit for 16337, 643044, 40712, EC40712 (EPA Compliant)

Upgrade your Toyota Prius with the PHILTOP High Flow Catalytic Converter. It’s designed for 2004-2009 models with a 1.5L engine. This kit offers a direct fit for easy replacement.
Experience improved performance and better fuel economy. The durable stainless steel and high-temperature ceramic carrier ensure a long-lasting, efficient part. Installation is a breeze with included gaskets and hardware.
This converter is EPA compliant. Always check your local regulations before purchase.
| Pros | Cons |
|---|---|
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Perfect For:
This catalytic converter is perfect for Toyota Prius owners with a 1.5L engine from 2004 to 2009. It’s EPA compliant, easy to install, and built to last.
Ready to Purchase?
4. Catalytic Converter Fit for 2004 2005 2006 2007 2008 2009 Toyota Prius L4 1.5L, High Flow Catalytic Convertor Replaces 1741021500, 55431, W/Gasket Kit, EPA 16337 Front Direct Fit Catalyst Convert

Give your 2004-2009 Toyota Prius a new lease on life! This high-flow catalytic converter is a direct fit replacement. It’s designed for easy installation and optimal performance.
Crafted from premium stainless steel, this converter boasts exceptional durability and resistance to heat and rust. Its advanced laser welding ensures a secure and long-lasting connection.
This EPA-compliant converter helps your Prius run cleaner and pass emissions tests. Enjoy improved torque and acceleration with this smart upgrade.
| Pros | Cons |
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Perfect For:
This catalytic converter is perfect for Toyota Prius owners who want a reliable, EPA-compliant replacement. It’s easy to install and boosts performance while lowering emissions.
Ready to Purchase?
5. SAROTIN Catalytic Converter Compatible with Toyota Prius 1.5L 2004-2009 Complete Unit, EPA Compliant, P0420 Fix, No Welding

Tired of that pesky P0420 error code on your Toyota Prius? The SAROTIN Catalytic Converter is your EPA-compliant solution for 2004-2009 models. Get your Prius running smoothly again with this complete unit.
This converter offers a direct bolt-on fit, meaning no welding or cutting for most models. It’s designed for easy installation. Simply replace your old one.
With premium precious metals, this converter provides superior emission reduction and a longer lifespan. You’ll enjoy a cleaner-running car and peace of mind, backed by SAROTIN’s responsive support.
| Pros | Cons |
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Perfect For:
This SAROTIN Catalytic Converter is perfect for Toyota Prius owners with 1.5L engines from 2004 to 2009. It’s ideal for fixing P0420 errors and meets EPA standards, offering a bolt-on, no-weld solution for easy installation.
Ready to Purchase?
6. JT Catalytic Converter Compatible with Toyota Prius 2004-2009 1.5L L4 (EPA Compliant)

The JT Catalytic Converter is EPA-compliant and fits Toyota Prius 2004-2009 1.5L L4. It uses advanced technology to reduce harmful emissions, keeping your car and the environment safe. Its direct-fit design makes installation easy and precise.
This converter has extra precious metal catalyst for better efficiency and longer life. It’s built with high-quality materials to last longer and perform like the original.
| Pros | Cons |
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Perfect For:
This JT Catalytic Converter is perfect for Toyota Prius owners with a 2004-2009 1.5L L4 model. It’s easy to install and meets EPA standards, making it ideal for those who care about the environment and want a reliable, long-lasting solution.
Ready to Purchase?
7. PTPDRH Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Replaces 16337 18382F 643044 0961692 40712 (EPA Compliant)

Keep your Toyota Prius running smoothly! This PTPDRH Catalytic Converter is built for your 2004-2009 1.5L Prius. It’s an EPA-certified part that helps control emissions.
This converter is a direct fit and easy to install. It’s made with strong materials for a long life.
It complies with U.S. federal emissions rules. Just remember, it’s not for vehicles in California, Washington, Vermont, or Oregon.
| Pros | Cons |
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Perfect For:
This PTPDRH Catalytic Converter is perfect for Toyota Prius owners with a 2004-2009 model and a 1.5L engine. It’s EPA-certified, easy to install, and built to last, making it a great choice for those looking to reduce emissions and improve performance.
Ready to Purchase?
8. CIRconvert Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L l4 Catalytic Convertor (EPA Compliant)

Upgrade your Toyota Prius with this EPA-compliant catalytic converter. It’s built for 2004-2009 models and ensures cleaner emissions. This direct-fit part is made with strong stainless steel.
Enjoy superior quality and a longer lifespan. It’s a smart choice for your car and the environment.
| Pros | Cons |
|---|---|
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Perfect For:
This catalytic converter is perfect for Toyota Prius owners with models from 2004 to 2009. It’s EPA certified, durable, and reduces emissions, making it a great choice for those who care about their car and the environment.
Ready to Purchase?
9. A-Premium Catalytic Converter Kit Direct-Fit Compatible with Toyota Prius 2004-2009 1.5L, EPA Compliant

The A-Premium Catalytic Converter Kit is designed for Toyota Prius 2004-2009 1.5L models. It ensures EPA compliance and meets federal emissions standards. This direct-fit kit is made of durable stainless steel.
It features 2-bolt welded flanges for both inlet and outlet. Mounting hardware is not included, so check your vehicle’s needs. A-Premium offers a one-year guarantee for peace of mind.
| Pros | Cons |
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Perfect For:
This A-Premium Catalytic Converter Kit is perfect for Toyota Prius owners with 2004-2009 models and a 1.5L engine. It’s EPA-compliant and fits federal emissions standards, making it ideal for those outside restricted states like CA, NY, CO, and ME.
Ready to Purchase?
10. Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Catalytic Convertor High Performance (EPA Compliant)

This catalytic converter is designed for Toyota Prius models from 2004 to 2009 with a 1.5L engine. It fits perfectly and meets emissions standards. The direct-fit design makes installation easy.
It is EPA certified and legal in 46 states, excluding California, New York, and Maine. The stainless steel build ensures strength and durability.
This converter reduces tailpipe emissions using precious metals. It resists heat, rust, and corrosion for a longer service life. A reliable choice for your Prius.
| Pros | Cons |
|---|---|
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Perfect For:
This high-performance catalytic converter is perfect for Toyota Prius owners from 2004 to 2009 with a 1.5L engine who need a reliable, EPA-compliant replacement. It’s designed for a direct fit, ensuring easy installation and durability with its stainless steel construction.
Ready to Purchase?
Buying Guide
Upgrading your Prius? A catalytic converter is key for cleaner emissions and better performance. We’ve got you covered with the best options for your 2004-2009 model.
Factors to Consider When Buying:
- Compatibility: Ensure the converter fits your 2004-2009 Prius 1.5L model. Check for direct-fit designs for easy installation.
- EPA Compliance: Look for EPA-compliant converters to meet emissions standards and avoid legal issues.
- Material Quality: Choose converters made with stainless steel or precious metals for durability and efficiency.
- Ease of Installation: Opt for direct bolt-on or no-weld options to save time and effort.
- Performance Benefits: Consider converters that improve fuel economy, torque, and acceleration.
- Warranty: Check for guarantees or warranties to ensure long-term reliability.
- State Regulations: Verify if the converter is legal in your state, especially in California, New York, or Maine.
Engaging Experience:
Upgrading your Prius with the right catalytic converter not only keeps your car eco-friendly but also enhances its performance. With EPA-compliant and easy-to-install options, you’ll enjoy a smoother ride and cleaner air.