Walker 54848 Catalytic Converter

Direct-Fit EPA Catalytic Converter for Prius

Walker EPA 54848 is a direct-fit catalytic converter for select 2010-2015 Toyota Prius applications. It is built for OBDII vehicles and follows EPA standards for emissions compliance where permitted, with a fitment profile focused on factory-style replacement.

For Toyota Prius owners searching for a direct-fit catalytic converter, Walker 54848 provides a specific-fit solution with stainless steel construction, a ceramic substrate, and OE-style inlet and outlet connections. This part is also cross-referenced with Eastern Catalytic 40920 for the same application.

Key Features

• Direct-fit catalytic converter for select 2010-2015 Toyota Prius models
• EPA-compliant design for federal-emissions applications
• Stainless steel body for corrosion resistance
• Ceramic substrate material
• 2-bolt welded flange inlet and pipe connection outlet
• Post-catalyst oxygen sensor location
• Overall length: 43.75 in.
• Body shape: 4 in. round
• Walker EPA 54848 part number

Product Details

Walker EPA 54848 is part of Walker Ultra Direct-Fit Catalytic Converters, a product line focused on OE-style replacement for import and domestic OBDII vehicles. This converter is built as a specific-fit unit with a stainless steel shell, round body design, and factory-style connection points to match the original exhaust layout on the Toyota Prius. The application notes specify use on 2010-2015 Toyota Prius models without the heat recycle system, with federal and California emissions model coverage noted in the fitment data. Walker 54848 is also listed with interchange references including Gates 52455 and Walker Exhaust 54847.

Common Issues This Part Can Address

• Failed catalytic converter emissions testing
• Check engine light related to catalyst efficiency
• Restricted exhaust flow from a worn converter
• Exhaust odor caused by converter deterioration
• Replacement need after corrosion or internal substrate breakdown

Installation Notes

• Fits 2010-2015 Toyota Prius, N/A
• Requires 54847 resonator
• Exhaust gasket is recommended
• Additional part needed to complete installation: 31387
• 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

Quality Assurance

Walker EPA 54848 is engineered to meet EPA standards for approved federal-emissions applications and is built as a direct-fit replacement for the listed Toyota Prius coverage. Verify state and vehicle-emissions requirements before installation.