Are you looking for the best replacement converters for your 2004–2009 Prius?
I’ll guide you toward reliable, easy‑fit options so you can upgrade your car with confidence.
Replacing the catalytic converter on your 2004-2009 Toyota Prius is crucial for performance and emissions. A failing converter can trigger check engine lights and reduce fuel efficiency. Choosing the right replacement ensures your car runs smoothly and meets EPA standards.
Several options are available, each with unique features. From direct-fit designs to high-flow units, these converters offer durability and ease of installation. Many are EPA-compliant, ensuring they meet strict emission regulations.
Finding the perfect fit for your Prius is easier than you think. This guide will help you make an informed decision, ensuring your car performs at its best. Let’s explore the top replacements that combine quality and reliability.
List of Top 10 replacement converters for 2004-2009 Prius
| Image | Title | Best For | Price |
|---|---|---|---|
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HIGHBRICK Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Replaces 16337 18382F 643044 0961692 40712 (EPA Compliant) |
This HIGHBRICK Catalytic Converter is perfect for Toyota Prius owners with models from 2004 to 2009. It’s EPA compliant, easy to install, and built to last. |
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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 part is made for people with a Toyota Prius from 2004‑2009. It’s a high flow and direct fit catalytic converter that meets EPA standards. |
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CAT CLEAN Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Catalytic Convertor Automotive Replacement(EPA Compliant) |
This catalytic converter is perfect for Toyota Prius owners with models from 2004 to 2009. It’s EPA compliant, easy to install, and built to last, making it ideal for those seeking a reliable and efficient replacement. |
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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 2004 to 2009 Toyota Prius owners. It offers a precise fit and a quick fix for the P0420 error. If you want a bolt-on solution with no welding and EPA-compliant quality that lasts, this is for you. |
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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 easy to install and meets EPA rules, making it a great choice for fixing P0420 codes and reducing emissions. |
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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 is great for Prius owners who want a clean, quiet ride with a strong, long‑lasting converter. It suits anyone who needs a simple fix for exhaust noise or code issues. |
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TAIROD Catalytic Converter 16337 18382F for Toyota Prius 2004-2009 1.5L | 2004 2005 2006 2007 2008 2009 | EPA Compliant |
This is perfect for Prius owners who want a fast, easy, and strong fix for their car. It is great for anyone who wants better power and a simple install. |
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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) |
The PTPDRH catalytic converter is perfect for Toyota Prius owners from 2004‑2009 who want a simple, drop‑in replacement that meets EPA standards. It’s made for anyone who wants clean exhaust without extra tools or programming. |
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A-Premium Catalytic Converter Kit Direct-Fit Compatible with Toyota Prius 2004-2009 1.5L, EPA Compliant |
This kit is perfect for Prius owners who need a quick, direct‑fit replacement and want EPA‑compliant parts. It’s ideal for DIY drivers who want simple install and peace of mind with a one‑year guarantee. |
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Torchtree Catalytic Converter Replacement for 2004-2009 Prius Base/Touring 16337 18382F 1PC Catalytic Converter Stainless Steel |
This is great for Prius owners who want a clean, quiet ride with a strong, long‑lasting converter. It’s also ideal for drivers who need a simple fix for engine code issues and want a safe, legal option in most states. |
Detailed Reviews
Looking for the best replacement converters for your 2004-2009 Prius? We’ve picked the top 10 options based on expert reviews and customer feedback. Each one is EPA-compliant, easy to install, and built to last, so you can find the perfect fit for your car.
1. HIGHBRICK Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Replaces 16337 18382F 643044 0961692 40712 (EPA Compliant)

The HIGHBRICK Catalytic Converter is EPA-compliant, ensuring it meets strict emission standards. It’s designed for Toyota Prius models from 2004 to 2009 with a 1.5L engine. This part replaces multiple OEM numbers, making it a reliable choice.
It boosts performance and durability with a three-way catalytic reaction, improving air circulation. Made from high-quality stainless steel and ceramic, it resists thermal shock and lasts longer.
Installation is hassle-free, requiring no modifications. However, it’s not legal in California, New York, Colorado, or Maine, so check local laws before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This HIGHBRICK Catalytic Converter is perfect for Toyota Prius owners with models from 2004 to 2009. It’s EPA compliant, easy to install, and built to last.
Ready to Purchase?
2. Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Catalytic Convertor High Performance (EPA Compliant)

The Catalytic Converter for the Toyota Prius 2004–2009 gives your car clean, strong performance. It fits with ease and works with the 1.5L engine.
It has a direct‑fit design. It installs fast. It meets EPA rules.
The body is stainless steel. It fights heat and rust. It lasts a long time.
| Pros | Cons |
|---|---|
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Perfect For:
This part is made for people with a Toyota Prius from 2004‑2009. It’s a high flow and direct fit catalytic converter that meets EPA standards.
Ready to Purchase?
3. CAT CLEAN Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Catalytic Convertor Automotive Replacement(EPA Compliant)

The CAT CLEAN catalytic converter fits Toyota Prius models from 2004‑2009 with a 1.5 L engine. It matches the original OEM part number.
It meets EPA standards with a high‑density honeycomb ceramic and precious metals Pt, Rh, Pd. The 409L stainless steel case and heat‑resistant pad give a long service life.
Easy to bolt on. No welding needed. Comes with a 6‑year/50,000‑mile warranty.
| 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 compliant, easy to install, and built to last, making it ideal for those seeking a reliable and efficient replacement.
Ready to Purchase?
4. SAROTIN Catalytic Converter Compatible with Toyota Prius 1.5L 2004-2009 Complete Unit, EPA Compliant, P0420 Fix, No Welding

This part fits your Toyota Prius. It works for 2004 to 2009 cars. It is a full unit.
The metal is strong. It cleans car smoke.
The fit is easy. It stops loud noise. It helps your car.
| Pros | Cons |
|---|---|
|
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Perfect For:
This SAROTIN Catalytic Converter is perfect for 2004 to 2009 Toyota Prius owners. It offers a precise fit and a quick fix for the P0420 error. If you want a bolt-on solution with no welding and EPA-compliant quality that lasts, this is for you.
Ready to Purchase?
5. SAROTIN Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L L4 High Flow (EPA Compliant)

This catalytic converter fits Toyota Prius models from 2004 to 2009. It replaces OE part 17410-21500 for the 1.5L engine. This high flow unit ensures a perfect fit.
The direct fit design requires no welding. You get effortless installation without any cutting.
Precious metals help fix your P0420 code. This EPA compliant part is not for CA or CO. It keeps your exhaust gas clean.
| 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 easy to install and meets EPA rules, making it a great choice for fixing P0420 codes and reducing emissions.
Ready to Purchase?
6. ZonCar 16337 Catalytic Converter Stainless Steel Shell Fits Prius 2004 2005 2006 2007 2008 2009 1.5L Catalyst Convertor (EPA Compliant)

This ZonCar converter fits your Prius. It uses strong stainless steel. This part lasts a long time.
The shell stays very tough. It stops rust well.
It meets EPA rules. Your car runs clean. This part fits great.
| Pros | Cons |
|---|---|
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Perfect For:
This is great for Prius owners who want a clean, quiet ride with a strong, long‑lasting converter. It suits anyone who needs a simple fix for exhaust noise or code issues.
Ready to Purchase?
7. TAIROD Catalytic Converter 16337 18382F for Toyota Prius 2004-2009 1.5L | 2004 2005 2006 2007 2008 2009 | EPA Compliant

The TAIROD Catalytic Converter is EPA compliant and fits Toyota Prius 2004-2009 1.5L. It replaces part numbers 16337 and 18382F. This converter is built to last and boosts performance.
Made from durable 409L stainless steel, it handles high heat and pressure. Its welded connections ensure longer service life.
Installation is easy with bolt-on connections and a flange-to-flange design. It includes all necessary accessories and comes with a 1-year unlimited-mileage warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for Prius owners who want a fast, easy, and strong fix for their car. It is great for anyone who wants better power and a simple install.
Ready to Purchase?
8. PTPDRH Catalytic Converter Compatible with Toyota Prius 2004 2005 2006 2007 2008 2009 1.5L Replaces 16337 18382F 643044 0961692 40712 (EPA Compliant)

The PTPDRH Catalytic Converter fits 2004 to 2009 Toyota Prius 1.5L models. It is EPA certified and made for clean exhaust flow. It helps your car run with steady power and low emissions.
It uses strong stainless steel and ceramic parts. It is made for a direct fit and easy install.
This part is not approved for some states. Check your local rules before you buy. It is built for reliable use and simple setup.
| Pros | Cons |
|---|---|
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Perfect For:
The PTPDRH catalytic converter is perfect for Toyota Prius owners from 2004‑2009 who want a simple, drop‑in replacement that meets EPA standards. It’s made for anyone who wants clean exhaust without extra tools or programming.
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 made for Toyota Prius 2004-2009 1.5L. It is EPA-compliant and meets federal emissions standards. This direct-fit design ensures a perfect match for your vehicle.
It’s built with stainless steel for long-lasting durability. The inlet and outlet flanges are welded for a secure fit. No mounting hardware is included, so check your setup.
Buy with confidence thanks to a one-year unlimited-mileage guarantee. A-Premium offers reliable parts to keep your car running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is perfect for Prius owners who need a quick, direct‑fit replacement and want EPA‑compliant parts. It’s ideal for DIY drivers who want simple install and peace of mind with a one‑year guarantee.
Ready to Purchase?
10. Torchtree Catalytic Converter Replacement for 2004-2009 Prius Base/Touring 16337 18382F 1PC Catalytic Converter Stainless Steel

This part fits the 2004-2009 Prius. It uses rare earth metal for a long life. This stainless steel part resists rust.
It cleans exhaust and fixes engine codes. This tool meets EPA and OBD2 rules.
| Pros | Cons |
|---|---|
|
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Perfect For:
This is great for Prius owners who want a clean, quiet ride with a strong, long‑lasting converter. It’s also ideal for drivers who need a simple fix for engine code issues and want a safe, legal option in most states.
Ready to Purchase?
Buying Guide
Replacing your Prius’s catalytic converter boosts performance and cuts emissions. A failing converter triggers check engine lights and wastes fuel. Pick the right one to keep your car running smoothly.
Engaging Experience:
Choosing the perfect converter feels like solving a puzzle. You’ll find EPA-compliant options that fit your 2004-2009 Prius like a glove. This guide makes it simple and stress-free.
Factors to Consider When Buying:
– Compatibility: Ensure it fits your 1.5L engine and Prius model year.
– EPA Compliance: Check if it meets emission standards in your state.
– Material: Look for stainless steel or ceramic for durability.
– Installation: Choose direct-fit or bolt-on for easy setup.
– Warranty: A long warranty adds peace of mind.
– Performance: Opt for high-flow designs for better efficiency.
– Legal Restrictions: Avoid converters not legal in states like CA or NY.
– Price: Balance cost with quality for the best value.
Top Picks:
1. HIGHBRICK Catalytic Converter: EPA-compliant, stainless steel, but not legal in some states.
2. CAT CLEAN Converter: 6-year warranty, easy install, high-density ceramic.
3. SAROTIN High Flow Converter: Fixes P0420 code, no welding, EPA-compliant.
4. A-Premium Kit: Direct-fit, stainless steel, one-year warranty.
Final Tip: Always check local laws before buying. The right converter keeps your Prius clean, efficient, and reliable.