AP Exhaust 776840 Catalytic Converter

California Emissions Catalytic Converter

AP Exhaust 776840 is a direct-fit catalytic converter for California emissions applications on select Chevrolet and GMC trucks. It is built for 1996-1999 models with application-specific fitment, making it a practical replacement for owners searching for a 1996-1999 Chevrolet C1500 catalytic converter or a California legal catalytic converter for GMC C1500 and K1500 trucks.

• Direct-fit replacement for listed California emissions applications
• Fits select Chevrolet C1500, C2500, and K1500 models
• Fits select GMC C1500, C2500, and K1500 models
• California compliance noted in fitment data with EO Number D-798-15
• Part number 776840 for easy identification

Brand Line Details

AP Exhaust TGM5.0HPG1EK identifies the specific product line used for this converter application. That line designation helps match the correct emissions configuration for the listed 1996-1999 Chevrolet and GMC trucks, including 5.0L and related California-certified engine families shown in the fitment data.

Detailed Fitment and Use

This catalytic converter is used to replace a worn, damaged, or emissions-failing converter on California-equipped Chevrolet and GMC trucks. Fits 1999 Chevrolet C1500, N/A; Fits 1999 Chevrolet K1500, N/A; Fits 1999 GMC C1500, N/A; Fits 1999 GMC K1500, N/A; Fits 1998 Chevrolet C1500, N/A; Fits 1998 Chevrolet C2500, N/A; Fits 1998 Chevrolet K1500, N/A; Fits 1998 Chevrolet K2500, N/A; Fits 1998 GMC C1500, N/A; Fits 1998 GMC C2500, N/A; Fits 1998 GMC K1500, N/A; Fits 1997 Chevrolet C1500, N/A; Fits 1997 Chevrolet C2500, N/A; Fits 1997 Chevrolet K1500, N/A; Fits 1997 GMC C1500, N/A; Fits 1997 GMC C2500, N/A; Fits 1997 GMC K1500, N/A; Fits 1996 Chevrolet C1500, N/A; Fits 1996 Chevrolet C2500, N/A; Fits 1996 Chevrolet K1500, N/A; Fits 1996 GMC C1500, N/A; Fits 1996 GMC C2500, N/A; Fits 1996 GMC K1500, N/A.

• Check-engine light caused by a failing catalytic converter
• Emissions test failure on California-certified trucks
• Restricted exhaust flow from a deteriorated converter
• Replacement need after converter damage or internal breakdown
• Fitment issues when matching the correct California application

Installation Notes and Tips

Verify the vehicle year, make, model, engine family, and California emissions label before ordering. This part is listed as a direct fit for the applications shown, and the fitment notes reference California compliance and EO Number D-798-15. Confirm the existing exhaust configuration against the vehicle-specific notes in the fitment table to ensure the correct replacement.

Quality Assurance

AP Exhaust catalogs this converter under the TGM5.0HPG1EK line for the listed California emissions applications. The fitment data identifies compliance with California emissions requirements for the covered vehicles, including the AP Exhaust 776840 application set.