MagnaFlow 4551061 Catalytic Converter - Right

California-grade direct-fit converter

MagnaFlow 4551061 is a direct-fit catalytic converter for the right side of select 2001-2004 Toyota Sequoia models. It is built for California OBDII applications and uses a bolt-on design with stainless steel construction for a straightforward replacement.

Compatible with 2001-2004 Toyota Sequoia, right side, this converter is engineered to replace OE part 17410-0F020 and help keep the check engine light off when the original unit has failed.

Key features

• Direct-fit replacement for specific Toyota Sequoia applications
• California Grade CARB-compliant design for listed vehicles
• Stainless steel body and tubing for corrosion resistance
• Ceramic substrate with a compact spun-body layout
• Bolt-on inlet and outlet for installation without cutting or welding
• Includes gasket for sealing support during installation
• Single sensor port with post-converter oxygen sensor location

Product details

MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS are built around OE-style fitment and emissions compliance for regulated applications. Part number 4551061 uses mandrel-bent stainless tubing, a laser-fused body seam, and a low-mass design to support thermal efficiency while matching the original equipment layout. This part cross-references OE part number 17410-0F020 for the same application.

Fits 2004 Toyota Sequoia, right; Fits 2003 Toyota Sequoia, right; Fits 2002 Toyota Sequoia, right; Fits 2001 Toyota Sequoia, right.

Common replacement reasons

• Failed catalytic converter efficiency codes
• Check engine light related to emissions performance
• Corrosion or exhaust leakage at the converter body
• Damaged OE converter requiring direct replacement
• Need for a CARB-compliant replacement on a Toyota Sequoia

Installation notes

Use proper exhaust tools and follow the vehicle-specific service procedure. This direct-fit unit installs without cutting or welding, and the bolt-on design helps simplify replacement on the right side of the exhaust system. Verify sensor placement, gasket alignment, and flange condition before tightening fasteners.

Quality assurance

MagnaFlow uses 3D scanning during development to match OE dimensions and function. This converter is built to meet or exceed California Air Resources Board requirements for the listed vehicles and has been tested for CARB guideline compliance in California and other CARB-restricted states.