2004-2006 Chevy Colorado GMC Canyon 3.5L Front Catalytic Converter EPA Direct-Fit | BDFHYK

Direct-Fit Exhaust Manifold Catalytic Converter Replacement for Chevy Colorado, GMC Canyon, Hummer H3 & Isuzu i-350 3.5L

Designed for Chevrolet Colorado 2004-2006, GMC Canyon 2004-2006, Hummer H3 2006, and Isuzu i-350 2006 equipped with the 3.5L L5 engine, this direct-fit exhaust manifold catalytic converter helps restore proper exhaust flow, emissions performance, and engine efficiency. Built with a stainless steel converter body and OEM-style mounting points for reliable fitment and easier installation.

Vehicle Compatibility

• Compatible With: Chevrolet Colorado 2004-2006, L5 3.5L
• Compatible With: GMC Canyon 2004-2006, L5 3.5L
• Compatible With: Hummer H3 2006, L5 3.5L
• Compatible With: Isuzu i-350 2006, L5 3.5L
• Reference Numbers: 642196, 16481, 674-989, 12607895

Key Specifications

Complete Installation Package

This catalytic converter assembly is designed to replace the original front exhaust manifold converter while maintaining proper exhaust flow and emissions system function. Please confirm your vehicle year, engine size, and emissions requirements before purchase.

Bolt-On Direct-Fit Design

Engineered to match factory mounting locations for easier installation. The bolt-on design helps reduce installation time and eliminates the need for cutting, welding, or custom modification.

Integrated O2 Sensor Ports

Factory-style oxygen sensor ports allow proper connection with the vehicle emissions monitoring system, helping maintain accurate air-fuel ratio feedback and normal engine operation.

Package Includes

• 1 × Front Exhaust Manifold Catalytic Converter Assembly
• Pre-installed mounting flanges
• Integrated O2 sensor port locations

Note: Mild surface oxidation may appear on non-stainless flanges due to storage or shipping. This does not affect performance, fitment, or durability.

Common Signs of Catalytic Converter Failure

• Check Engine Light is on
• Failed emissions inspection
• Reduced engine power or poor acceleration
• Increased fuel consumption
• Rotten egg or sulfur smell from the exhaust
• Rattling noise from inside the converter
• Poor exhaust flow or engine hesitation