Bosal 099-1656 Catalytic Converter - Left

Bosal BRExhaust Catalytic Converter for Toyota Sequoia

The Bosal BRExhaust Federal Direct-Fit Standard Load OBDII Catalytic Converter is built for emissions service on select Toyota Sequoia applications. It uses stainless steel construction, a ceramic substrate, and a direct-fit layout to support reliable exhaust flow and OBDII emissions compliance.

Compatible with 2001-2004 Toyota Sequoia, left, this Bosal catalytic converter is engineered for bolt-on replacement service. Part number 099-1656 is a direct-fit solution for drivers needing a Federal / EPA compliant exhaust repair on the Toyota Sequoia platform.

Key Features

• Direct-fit catalytic converter for select Toyota Sequoia applications
• Federal / EPA compliant design for OBDII emissions systems
• Stainless steel body and finish for corrosion resistance
• Ceramic substrate for exhaust aftertreatment performance
• Bolt-on inlet attachment for straightforward replacement
• Heat shield included for added thermal protection
• Pre- and post-converter oxygen sensor locations supported
• Mounting hardware and clamp included

BRExhaust Product Line Details

Bosal’s BRExhaust Federal Direct-Fit Standard Load line focuses on direct replacement catalytic converters for vehicles that follow Federal OBDII EPA standards. The line is built around OE-style fitment, stainless steel construction, and emissions-system compatibility to simplify replacement on the Toyota Sequoia and similar applications.

Detailed Description

This Bosal catalytic converter, part number 099-1656, is made for 2001-2004 Toyota Sequoia models in the left-side position. The direct-fit configuration supports a bolt-on installation path without cutting, welding, or fabrication, making it a practical replacement for a worn or failed converter. Its stainless steel construction helps resist corrosion, while the ceramic substrate is used to manage exhaust treatment in Federal / EPA compliant applications.

For Toyota Sequoia owners dealing with emissions-related exhaust repair, this converter is built to maintain proper OBDII system function and support check-engine-light control when the original converter is no longer performing as required. Part number 099-1656 is a fitment-specific replacement for the Toyota Sequoia left-side exhaust location.

What It Helps Address

• Failed or inefficient catalytic converter operation
• Emissions test failure on Federal / EPA regulated vehicles
• Check engine light concerns tied to converter performance
• Exhaust system corrosion at the converter body
• Need for a direct-fit replacement on the left side of a Toyota Sequoia

Installation Notes and Tips

Fits 2001-2004 Toyota Sequoia, left. Verify sensor placement before installation, since this converter uses pre- and post-converter oxygen sensor locations. The bolt-on inlet attachment, included clamp, and included mounting hardware support a direct replacement process. Confirm exhaust flange condition and inspect adjacent components before installation to help ensure a proper seal.

Quality Assurance

Bosal BRExhaust converters are built with stainless steel construction and a ceramic substrate for Federal / EPA compliant replacement service. This part number 099-1656 is engineered for direct-fit installation and emissions-system compatibility on the listed Toyota Sequoia applications.