Bosal
BRExhaust CARB Direct-Fit OBDII Catalytic Converter

Bosal 064-2157 Catalytic Converter - Left

Brand Bosal 064-2157
Position Left
Mounting Hardware Included Yes
Finish Stainless steel
Material Stainless steel
Type Direct-fit
Product line BRExhaust CARB Direct-Fit OBDII Catalytic Converter
Fits Cadillac · 11 vehicles

Direct-fit design. Allows easy, bolt-on installation with no cutting or welding required.

Stainless steel construction. Corrosion-resistant for long service life and reliable performance.

CARB-compliant converter. Engineered for emissions-regulated applications.

$994.35Free shipping
In stock · usually ships same day before 1pm CST
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Order total $994.35
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Free returns within 60 days if it doesn't fit when fitment is verified.

Bosal BRExhaust CARB Direct-Fit Catalytic Converter

The Bosal BRExhaust CARB Direct-Fit OBDII Catalytic Converter, part number 064-2157, is built for emissions-controlled repair on select Cadillac CTS applications. It uses stainless steel construction and a direct-fit layout to support a clean, bolt-on replacement for the original converter.

Key Features

  • Stainless steel finish and material for corrosion resistance
  • Direct-fit design for straightforward installation
  • OBDII catalytic converter configuration for emissions-system service
  • CARB Executive Order D-193-140 application coverage
  • Mounting hardware included
  • Fits left-side applications only

Product Line Details

BRExhaust CARB Direct-Fit OBDII Catalytic Converter products are engineered for California emissions compliance in states that follow CARB standards. This line focuses on direct replacement fitment, helping maintain factory-style routing and reducing the need for fabrication during exhaust repair.

Detailed Description

This Bosal catalytic converter is made for 2004-2009 Cadillac CTS left-side applications listed under CARB Executive Order D-193-140. It is a direct-fit replacement that installs without cutting, welding, or custom fabrication, making it a practical choice for emissions-related exhaust repair on the Cadillac CTS. Part number 064-2157 is designed to match the specified engine family and certification-level requirements shown in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Failed catalytic converter emissions testing
  • Check engine light concerns related to catalyst efficiency
  • Corrosion damage to the original exhaust converter
  • Need for a direct replacement on the left side of the exhaust system
  • CARB compliance requirements for regulated states

Installation Notes and Tips

Fits 2004 Cadillac CTS, left; 2005 Cadillac CTS, left; 2006 Cadillac CTS, left; 2007 Cadillac CTS, left; 2008 Cadillac CTS, left; and 2009 Cadillac CTS, left. Verify the engine family number and CARB Executive Order before installation to confirm the correct application. The direct-fit design supports bolt-on installation using the included mounting hardware, with no cutting or welding required.

Quality Assurance

Built with stainless steel construction for long service life and reliable performance in exhaust-system service. This converter is engineered for CARB-regulated applications and is identified for compliance under Executive Order D-193-140. Part number 064-2157 is a direct-fit replacement for the specified Cadillac CTS fitments.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 9GMXJ03.9148; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2009CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 9GMXV03.6053; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2008CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 8GMXB03.6148; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2008CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 8GMXV03.6053; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2007CadillacCTS2.8LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 7GMXB03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2007CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 7GMXB03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2006CadillacCTS2.8LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 6GMXB03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2006CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 6GMXB03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2005CadillacCTS2.8LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 5GMXX03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2005CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 5GMXX03.6149; BRExhaust CARB Direct-Fit OBDII Catalytic Converter
2004CadillacCTS3.6LV6LeftCertification Level : LEV2 LEV; CARB Executive Order D-193-140; Engine Family Number 4GMXV03.8042; BRExhaust CARB Direct-Fit OBDII Catalytic Converter