Walker 48353 Catalytic Converter

Walker EPA Direct-Fit Catalytic Converter

Walker EPA Part Number 48353 is a direct-fit catalytic converter built for specific OBDII applications from 2009-2013. It is designed for EPA-compliant use on supported vehicles and features a stainless steel body with a ceramic substrate for dependable exhaust treatment and OE-style fitment.

The Walker EPA line focuses on direct-fit replacement converters for import and domestic vehicles, giving buyers a vehicle-specific solution that aligns with emissions-system requirements on approved applications. For this listing, the fitment coverage centers on Toyota Corolla, Toyota Matrix, and Pontiac Vibe applications, including the popular 2010 Toyota Corolla.

Key Features

• Walker EPA catalytic converter, part number 48353
• Direct-fit design for specific applications
• Stainless steel body with round housing
• Ceramic substrate material
• 2-bolt welded flange inlet and outlet connections
• Post-catalyst oxygen sensor location
• EPA standards-focused replacement for supported OBDII vehicles
• Cross-reference example: Eastern Catalytic 40837

Fitment Details

• Fits 2009-2013 Toyota Corolla, N/A. Notes: Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states; legal in New York and Maine on EPA Federal Emission Equipped Vehicles only; exhaust gasket is recommended; additional parts needed to complete installation: 31379 and 31357; Ultra Direct Fit Type; EPA.
• Fits 2012-2013 Toyota Matrix, N/A. Notes: Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states; legal in New York and Maine on EPA Federal Emission Equipped Vehicles only; exhaust gasket is recommended; additional parts needed to complete installation: 31379 and 31357; Ultra Direct Fit Type; EPA.
• Fits 2009-2010 Toyota Matrix, N/A. Notes: Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states; legal in New York and Maine on EPA Federal Emission Equipped Vehicles only; exhaust gasket is recommended; additional parts needed to complete installation: 31379 and 31357; Ultra Direct Fit Type; EPA.
• Fits 2011 Toyota Matrix, N/A. Notes: EPA.
• Fits 2009-2010 Pontiac Vibe, N/A. Notes: Fits Fed. & Calif. Emission Models; not legal for sale or use in California and other CARB-compliant states; legal in New York and Maine on EPA Federal Emission Equipped Vehicles only; exhaust gasket is recommended; additional parts needed to complete installation: 31379 and 31357; Ultra Direct Fit Type; EPA.

What It Helps Address

• Failed catalytic converter emissions testing on supported applications
• Check engine light concerns related to catalyst efficiency
• Restricted exhaust flow caused by a worn or damaged converter
• Exhaust system replacement needs on Toyota Corolla, Toyota Matrix, and Pontiac Vibe models
• Fitment issues from using a non-specific replacement converter

Installation Notes

This converter uses a direct-fit configuration with 2-bolt welded flange connections at both inlet and outlet. An exhaust gasket is recommended, and the listed application notes call for additional parts 31379 and 31357 to complete installation. Verify emissions compliance before purchase, since this part is not legal for sale or use in California and other CARB-compliant states.

Quality Assurance

Walker EPA catalytic converters are built to meet EPA standards on approved applications and are engineered for specific vehicle fitment. Part number 48353 is intended for supported 2009-2013 Toyota Corolla, 2009-2013 Toyota Matrix, and 2009-2010 Pontiac Vibe applications listed above.