Walker 84802 Catalytic Converter - Rear

Overview

Walker CalCat 84802 is a universal catalytic converter built for rear applications across a wide range of trucks, vans, and SUVs. It is CARB certified and validated to meet California emissions standards, with stainless steel construction and a ceramic substrate for emissions control.

This part fits rear applications on Chevrolet Express 2500, Chevrolet Silverado 1500, and GMC Sierra 1500 models, along with additional GM vehicles listed below. The 84802 is a fitment-based solution for buyers searching for a universal CARB catalytic converter for GM rear exhaust applications.

Key Features

• Universal catalytic converter with pipe connection inlet and outlet
• CARB certified and New York certified for regulated emissions applications
• Stainless steel body with a ceramic substrate
• Round body shape with 3.000-inch inlet and outlet inside diameter
• Walker CalCat 84802 for rear exhaust placement

Detailed Description

Walker CalCat 84802 is engineered as a universal catalytic converter for rear exhaust use on a broad range of GM vehicles, including Chevrolet Express 2500, Chevrolet Silverado 1500, and GMC Sierra 1500 applications. The round stainless steel housing measures 12.000 inches overall length with a 4.000-inch body height and width, and it uses pipe connections at both ends for installation into the exhaust system. The ceramic substrate supports emissions conversion while the CARB certification helps satisfy regulated replacement requirements in applicable states. If you are replacing a rear catalytic converter on a Chevrolet Tahoe, GMC Yukon, or Cadillac Escalade, this Walker CalCat unit provides a direct emissions-service option identified by part number 84802.

Walker CalCat is the product line for emissions parts that are tested and validated for compliance-focused applications. For shoppers comparing Walker catalytic converter options, 84802 is the CalCat universal converter referenced for OBDII and non-OBD vehicles in the manufacturer description.

What It Can Help Address

• Failed emissions inspection related to catalytic converter efficiency
• Damaged or corroded rear exhaust converter housing
• Restricted exhaust flow caused by a worn substrate
• Replacement needs for CARB-regulated emissions service
• Universal-fit exhaust repair where pipe connection installation is required

Installation Notes

Confirm rear fitment against the vehicle listing before installation. This converter uses pipe connections and does not include clamps or mounting hardware. O2 sensor ports are not provided, so verify exhaust configuration and sensor placement before ordering. Professional exhaust installation is recommended for proper alignment and emissions compliance.

Quality Assurance

Walker states that CalCat converters are designed, tested, and validated for compliance with CARB standards. Part number 84802 is also listed as New York certified.