Looking for the best 2004-2009 Toyota Prius catalytic converters? We’ve got you covered with a curated list of top options to keep your Prius running smoothly and efficiently.
Looking for the best catalytic converter for your 2004-2009 Toyota Prius? You’re in the right place! We’ve rounded up the top options to keep your Prius running smoothly and efficiently.
These converters are EPA-compliant, easy to install, and built to last. They’re designed to boost performance and reduce emissions, so your car stays clean and reliable.
Whether you’re fixing an error code or upgrading your system, our guide will help you find the perfect fit. Let’s get your Prius back on the road with confidence!
List of Top 10 2004 2009 Toyota Prius Catalytic Converters
| Image | Title | Best For | Price |
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A-Premium Front Catalytic Converter Kit Direct-Fit Compatible with Toyota Vehicles – Prius 2004 2005 2006 2007 2008 2009 – L4 1.5L – E.P.A. Compliant |
This A-Premium Front Catalytic Converter Kit is perfect for Toyota Prius owners with models from 2004 to 2009, L4 1.5L engines. It’s EPA-compliant and fits seamlessly, making it ideal for those needing a reliable, direct-fit replacement. |
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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 and easy to install, making it a great choice for those needing a reliable replacement. |
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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 with 2004-2009 1.5L models who need a reliable, EPA-compliant replacement. It’s ideal for fixing engine codes and reducing exhaust noise, ensuring your car runs cleaner and quieter. |
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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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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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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 EPA compliant, fixes P0420 errors, and requires no welding. Ideal for those seeking a reliable, bolt-on solution to meet emission standards and extend their vehicle’s lifespan. |
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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 reducing emissions and keeping your car running smoothly. |
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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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Uni-Links 16337 Front Direct Fit Catalytic Converter Compatible with 2004 2005 2006 2007 2008 2009 Toyota Prius L4 1.5L, High Flow Catalytic Convertor Replaces 1741021500, 55431, W/Gasket Kit, EPA |
This Uni-Links catalytic converter is perfect for Toyota Prius owners with a 2004-2009 model and a 1.5L engine. It’s a direct fit and comes with a gasket kit, making it easy to install. |
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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 want to reduce their vehicle’s environmental impact. |
Detailed Reviews
Discover the top 10 catalytic converters for your 2004-2009 Toyota Prius, handpicked for performance, durability, and value. Each option is EPA-compliant, ensuring cleaner emissions and a smoother ride. Find the perfect fit to keep your Prius running like new.
1. A-Premium Front Catalytic Converter Kit Direct-Fit Compatible with Toyota Vehicles – Prius 2004 2005 2006 2007 2008 2009 – L4 1.5L – E.P.A. Compliant

Keep your Toyota Prius running smoothly with the A-Premium Front Catalytic Converter Kit. This direct-fit part is designed for 2004-2009 Prius models with a 1.5L engine. It’s a reliable replacement for your old converter.
This converter is E.P.A. compliant, ensuring it meets federal emissions standards. It’s made from durable stainless steel for long-lasting performance.
Installation is made easy with included mounting hardware. Plus, enjoy peace of mind with a one-year unlimited-mileage guarantee.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Front Catalytic Converter Kit is perfect for Toyota Prius owners with models from 2004 to 2009, L4 1.5L engines. It’s EPA-compliant and fits seamlessly, making it ideal for those needing a reliable, direct-fit replacement.
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 designed for Toyota Prius 1.5L models from 2004 to 2009. It meets EPA standards and fixes the P0420 engine code. Installation is simple, with no cutting or welding needed.
This converter uses advanced materials coated with precious metals to improve emission control. It’s not legal in California or Colorado, but works in New York and Maine for EPA-compliant vehicles.
| 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 and easy to install, making it a great choice for those needing a reliable replacement.
Ready to Purchase?
3. ZonCar 16337 Catalytic Converter Stainless Steel Shell Fits Prius 2004 2005 2006 2007 2008 2009 1.5L Catalyst Convertor (EPA Compliant)

The ZonCar 16337 catalytic converter fits the Prius 2004‑2009 1.5L. It is EPA‑compliant and fixes the P0436 engine code.
Its stainless‑steel shell prevents rust and shields the ceramic carrier. The CeO₂ rare earth coating improves heat resistance and flow.
Check the part number before buying. Installation is simple. This converter restores quiet and clean exhaust.
| Pros | Cons |
|---|---|
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Perfect For:
This ZonCar Catalytic Converter is perfect for Prius owners with 2004-2009 1.5L models who need a reliable, EPA-compliant replacement. It’s ideal for fixing engine codes and reducing exhaust noise, ensuring your car runs cleaner and quieter.
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

Revitalize your Toyota Prius with this high-flow catalytic converter designed for 2004-2009 models. It’s built to boost performance and ensure compliance.
This converter uses premium stainless steel for lasting durability. Its EPA-compliant design helps you pass emissions tests. Get ready for a smoother, cleaner ride.
| 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. 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 this high-performance catalytic converter. It’s designed for a perfect fit on 2004-2009 models. Get ready for smoother performance.
This converter is built with tough stainless steel and a special ceramic core to boost power and save fuel. Installation is a breeze, with all parts included for a quick, bolt-on replacement.
It’s EPA compliant, ensuring cleaner emissions. Just be sure to check if it’s allowed in your state, as some areas have specific rules.
| 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?
6. SAROTIN Catalytic Converter Compatible with Toyota Prius 1.5L 2004-2009 Complete Unit, EPA Compliant, P0420 Fix, No Welding

The SAROTIN Catalytic Converter is a perfect match for Toyota Prius 1.5L models from 2004 to 2009. It’s a complete unit designed for easy installation.
This converter is EPA and OBD2 compliant, meeting federal emission standards. It fixes the P0420 error code and requires no welding for most models.
Premium metals ensure longer life and better performance. SAROTIN support is ready to help within 24 hours. Not for CA or CO, but works in NY and ME.
| 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 EPA compliant, fixes P0420 errors, and requires no welding. Ideal for those seeking a reliable, bolt-on solution to meet emission standards and extend their vehicle’s lifespan.
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 with this EPA-certified catalytic converter. It’s designed for a perfect fit on 2004-2009 models. Enjoy cleaner air and long-lasting performance.
This converter is built tough with high-grade materials. Installation is a breeze, with no special tools needed.
| 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 reducing emissions and keeping your car running smoothly.
Ready to Purchase?
8. A-Premium Catalytic Converter Kit Direct-Fit Compatible with Toyota Prius 2004-2009 1.5L, EPA Compliant

A-Premium Catalytic Converter fits the 2004‑2009 Toyota Prius 1.5L. It meets EPA standards for federal emissions. The unit is stainless steel with 2‑bolt welded flanges.
It comes with a one‑year guarantee. You can buy with confidence.
| 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?
9. Uni-Links 16337 Front Direct Fit Catalytic Converter Compatible with 2004 2005 2006 2007 2008 2009 Toyota Prius L4 1.5L, High Flow Catalytic Convertor Replaces 1741021500, 55431, W/Gasket Kit, EPA

The Uni-Links 16337 Front Direct Fit Catalytic Converter is designed for Toyota Prius models. It fits 2004 to 2009 cars with a 1.5L engine. This part ensures smooth vehicle performance.
It replaces old parts like 1741021500 and 55431. The kit includes a gasket for easy installation. It meets EPA standards for quality.
This converter offers high flow efficiency. It’s a direct fit, so no modifications are needed. Perfect for keeping your Prius running well.
| Pros | Cons |
|---|---|
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Perfect For:
This Uni-Links catalytic converter is perfect for Toyota Prius owners with a 2004-2009 model and a 1.5L engine. It’s a direct fit and comes with a gasket kit, making it easy to install.
Ready to Purchase?
10. 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. This part is easy to install and built to last.
It has extra precious metal catalyst to improve efficiency and pass emission tests. The stainless steel shell and ceramic substrate ensure longer service life.
The direct-fit design matches original equipment for a perfect fit. It’s designed to protect your vehicle and the environment.
| 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 want to reduce their vehicle’s environmental impact.
Ready to Purchase?
Buying Guide
Need a new catalytic converter for your 2004-2009 Toyota Prius? We’ve got you covered! Our guide makes it easy to find the best fit for your car.
Why trust us? We’ve tested and reviewed top options to ensure smooth performance, EPA compliance, and easy installation. Let’s get your Prius running like new!
Here’s what to consider when buying:
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EPA Compliance:
Make sure the converter meets federal emissions standards. This ensures your car stays legal and environmentally friendly. -
Compatibility:
Check if the converter fits your 2004-2009 Prius 1.5L engine. A direct-fit design saves time and hassle. -
Material Quality:
Look for stainless steel or ceramic cores for durability and longevity. These materials resist rust and heat. -
Ease of Installation:
Choose a converter with included hardware and simple instructions. No welding or cutting makes the job easier. -
Performance Boost:
Opt for high-flow converters to improve engine efficiency and reduce emissions. Your Prius will run smoother. -
Warranty:
A one-year guarantee or longer gives you peace of mind. It shows the manufacturer stands behind their product. -
State Regulations:
Some converters aren’t legal in California or Colorado. Double-check your state’s rules before buying. -
Price vs. Value:
Balance cost with quality and features. A slightly higher price often means better performance and durability.
With these tips, you’ll find the perfect catalytic converter for your Prius. Drive confidently knowing your car is clean, efficient, and reliable!