Walker 16597 Catalytic Converter - Front

Walker EPA Direct-Fit Catalytic Converter 16597

Walker EPA Direct-Fit Catalytic Converter 16597 is a front catalytic converter built for specific OBDII applications and EPA-compliant use. It is engineered for the 2007-2009 Suzuki SX4 front position and uses a direct-fit layout for a cleaner replacement process.

Key Features

• Direct-fit catalytic converter for specific vehicle applications
• Front converter position with one inlet and one outlet
• 3-bolt welded flange inlet and 2-bolt welded flange outlet
• Ceramic substrate with round steel body construction
• Pre- and post-catalyst oxygen sensor locations
• Mounting hardware included
• Overall length: 22 inches
• Part number: 16597

Product Details

Walker EPA 16597 is part of the Ultra Direct-Fit Catalytic Converter line, which focuses on EPA-standard replacement coverage for import and domestic OBDII vehicles. This unit is built as a specific-fit front converter with a round body, 4-inch body dimensions, and welded flange connections to match the original exhaust layout on the Suzuki SX4. The ceramic substrate and direct-fit design support straightforward replacement of the factory converter assembly.

This part cross-references Eastern Catalytic 40677 for the same application. It is also referenced by AP Exhaust 642860 and Gates 52123 or 52141 in related applications.

Vehicle Fitment

• Fits 2007-2009 Suzuki SX4, front. 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 part needed to complete installation: 31360.

Common Uses

• Replacing a failed front catalytic converter on a Suzuki SX4
• Restoring exhaust flow after converter efficiency codes
• Addressing emissions-test failures tied to catalyst performance
• Repairing exhaust leaks at the converter flange connection
• Replacing a damaged or rusted OE-style converter assembly

Installation Notes

Confirm the vehicle is a 2007-2009 Suzuki SX4 front application before installation. The converter uses a 3-bolt welded flange inlet and 2-bolt welded flange outlet, and an exhaust gasket is recommended for proper sealing. Review state and local emissions rules before installation, since this part is not CARB certified and is not legal for sale or use in California and other CARB-compliant states.

Quality Assurance

Walker EPA Ultra Direct-Fit Catalytic Converters are built to meet EPA standards for approved applications and are intended for direct replacement use on covered OBDII vehicles. Part number 16597 is designed for specific fitment and includes the hardware listed in the package contents.