Davico 19436 Catalytic Converter - Front

Exact-Fit Catalytic Converter for Heavy-Duty GM Trucks

Davico Exact-Fit Catalytic Converter 19436 is built for direct replacement on select Chevrolet and GMC heavy-duty trucks and SUVs. It uses OE sample parts as the pattern for fit and function, with an emissions-reducing catalyst formulated for OBDII-equipped vehicles.

Key Features

• Exact-Fit Catalytic Converter from Davico’s Exact-Fit Catalytic Converter line
• Fits front position applications on select 1996-2000 Chevrolet C3500, Chevrolet K3500, GMC C3500, and GMC K3500 models
• Also fits 1996-1999 Chevrolet C2500, Chevrolet C2500 Suburban, Chevrolet K2500, Chevrolet K2500 Suburban, GMC C2500, GMC C2500 Suburban, GMC K2500, and GMC K2500 Suburban
• 3-bolt floating flange inlet design with 2.25-inch inlet sizing
• Two O2 sensor locations
• Overall length: 37.5 inches
• Outlet gasket reference: (1) 24253
• Use Davico Decarbonizing Induction Kit 1540ea

Product Details

Davico part number 19436 is an OE-style catalytic converter for front exhaust placement on select Chevrolet C2500, Chevrolet K2500, Chevrolet C3500, Chevrolet K3500, GMC C2500, GMC K2500, GMC C3500, and GMC K3500 applications. The converter is engineered from original equipment sample parts to match the factory fitment profile and support proper exhaust system alignment on OBDII vehicles. This makes it a direct replacement choice for drivers searching for a front catalytic converter for 1996-2000 Chevrolet and GMC heavy-duty trucks with the listed flange and length requirements.

The Davico Exact-Fit Catalytic Converter line focuses on application-specific construction, and this unit follows that approach with a 3-bolt floating flange inlet, 2.25-inch inlet size, and dual O2 sensor provisions. Part number 19436 is specified for vehicles over 8500 lbs GVW and is listed with California and New York emissions restrictions noted in the fitment data.

Common Reasons for Replacement

• Check engine light related to catalyst efficiency
• Failed emissions inspection or OBDII catalyst fault codes
• Restricted exhaust flow from a worn or damaged converter
• Exhaust leaks at the front converter flange area
• Incorrect fitment after prior exhaust repairs

Installation Notes

Verify the vehicle’s emissions configuration, flange pattern, and overall length before installation. This front catalytic converter uses a 3-bolt floating flange inlet with 2.25-inch sizing and a 37.5-inch overall length, so matching the original exhaust layout is important for proper alignment. Confirm O2 sensor placement and use the listed outlet gasket reference during installation. Part number 19436 is not legal for use in California and is illegal for installation in New York on vehicles equipped with California emission systems.

Quality Assurance

Davico designs Exact-Fit Catalytic Converters using original equipment sample parts and high-quality emissions-reducing catalyst materials to support proper fit and function on current OBDII vehicles. This product line is built around application-specific replacement standards for consistent exhaust system service.