2007-2012 Chevy Colorado GMC Canyon 3.7L Front Catalytic Converter EPA Direct-Fit | BDFHYK

Direct-Fit Exhaust Manifold Catalytic Converter Replacement for Chevy Colorado, GMC Canyon, Hummer H3 & Isuzu i-370 3.7L L5

Designed for Chevrolet Colorado 2007-2012, GMC Canyon 2007-2012, Hummer H3 2007-2008, and Isuzu i-370 2007-2008 equipped with the 3.7L L5 engine, this direct-fit exhaust manifold catalytic converter helps restore proper exhaust flow, emissions performance, and engine efficiency. Built with a durable stainless steel housing and OEM-matched mounting points for reliable fitment and long service life.

Vehicle Compatibility

• Compatible With: Chevrolet Colorado 2007-2012
• Compatible With: GMC Canyon 2007-2012
• Compatible With: Hummer H3 2007-2008
• Compatible With: Isuzu i-370 2007-2008
• Engine: 3.7L L5
• Reference Numbers: 16578, 641338, 19280

Key Specifications

Complete Installation Package

This catalytic converter assembly is designed to replace the original factory unit and restore proper exhaust system performance for GM mid-size trucks and SUVs. Please confirm vehicle year, engine size, and OE reference number before purchase.

Bolt-On Direct-Fit Design

Engineered to match factory mounting points for a straightforward installation process. The direct-fit design eliminates the need for cutting, welding, or modification, helping reduce installation time and installation complexity.

Integrated O2 Sensor Ports

Factory-style oxygen sensor ports ensure proper integration with the vehicle’s emissions monitoring system, supporting accurate air-fuel ratio feedback and stable engine operation.

Package Includes

• 1 × 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 (CEL) illuminated
• Failed emissions inspection
• Reduced engine power or sluggish acceleration
• Increased fuel consumption
• Sulfur or rotten egg odor from exhaust
• Rattling noise from inside the converter
• Engine hesitation or restricted exhaust flow