Davico 18448 Catalytic Converter - Rear

Exact-Fit Catalytic Converter for Sonata and Optima

Davico 18448 is an exact-fit catalytic converter built for rear-position applications on select 2011-2013 Hyundai Sonata and Kia Optima models. It is designed from original equipment sample parts to match factory fitment and exhaust routing while using a high-quality emissions-reducing catalyst for OBDII-equipped vehicles.

The Davico Exact-Fit Catalytic Converter line focuses on OE-style fit and function for direct replacement service. For buyers searching for a rear catalytic converter for 2011-2013 Hyundai Sonata or 2011-2013 Kia Optima, part number 18448 provides a vehicle-specific solution with the correct flange style and sensor provision.

Key Features

• Exact-fit design based on original equipment sample parts
• Rear catalytic converter application for select Hyundai Sonata and Kia Optima models
• 2-bolt fixed flange inlet and 2-bolt fixed flange outlet
• Includes 1 O2 sensor provision
• Gaskets included
• Overall length: 47 in.
• Height: 4.5 in.; width: 9.5 in.
• Built for OBDII vehicle emissions requirements

Detailed Description

Davico Exact-Fit Catalytic Converter part number 18448 is engineered for direct replacement on rear exhaust locations for 2011, 2012, and 2013 Hyundai Sonata and Kia Optima models. The converter is built using OE sample parts to help maintain proper alignment, fitment, and exhaust system function. Its 2-bolt fixed flange inlet and outlet simplify matching to the factory exhaust layout, while the included gasket set supports a cleaner installation. This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.

For shoppers comparing a rear catalytic converter for Hyundai Sonata or Kia Optima, Davico 18448 is a vehicle-specific replacement that follows the original exhaust configuration and sensor layout. It is intended for OBDII-equipped vehicles and uses an emissions-reducing catalyst designed for current emissions-control demands.

What It Helps Address

• Failed catalytic converter efficiency codes
• Exhaust leaks at the converter flange connections
• Rattling or damaged converter internals
• Emissions test failures related to converter performance
• Check engine light concerns tied to rear converter operation

Installation Notes and Tips

Fits 2011-2013 Hyundai Sonata, rear. Fits 2011-2013 Kia Optima, rear. Verify the vehicle’s emission system configuration before ordering, since this part is not legal for use in California and is illegal for installation in New York on vehicles equipped with California emission systems. Confirm flange style, sensor count, and rear-position routing against the original unit before installation. Davico 18448 is supplied unboxed.

Quality Assurance

Davico designs the Exact-Fit Catalytic Converter line around OE sample parts to support proper fit and function on the vehicle. Part number 18448 uses a high-quality emissions-reducing catalyst selected for OBDII applications and factory-style replacement service.