AP Exhaust 774335 Catalytic Converter with Integrated Exhaust Manifold - Front

Overview

AP Exhaust catalytic converter with integrated exhaust manifold, part number 774335, is built for direct-fit replacement on select compact truck and SUV applications. It is engineered to match OE dimensions and fitment, with California emissions compliance noted in the fitment data.

Compatible with Chevrolet Colorado, GMC Canyon, Hummer H3, and Isuzu i-350 applications, this converter supports a precise exhaust-side replacement where the manifold and catalyst are combined into one assembly. Part number 774335 is also referenced in AP Exhaust 4GMXT03.5188 product line identification.

Key Features

• Integrated exhaust manifold and catalytic converter design
• Direct-fit construction for OE-style replacement
• Built to OE dimensions for accurate alignment
• California emissions compliance listed for covered applications
• AP Exhaust 4GMXT03.5188 product line

Detailed Description

AP Exhaust 774335 is a catalytic converter with integrated exhaust manifold designed for vehicles that use a combined exhaust and emissions assembly. The manufacturer states that its substrate chemistry and advanced production methods are used to deliver efficient converter loading while maintaining exact OE dimensions. For buyers searching for a direct-fit catalytic converter with exhaust manifold for Chevrolet Colorado, GMC Canyon, Hummer H3, or Isuzu i-350, this part number 774335 provides a fitment-specific replacement option.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Failed catalytic converter efficiency codes
• Cracked or leaking exhaust manifold assembly
• Emissions test failure related to catalyst performance
• Exhaust leaks at the manifold-to-pipe connection
• Fitment issues from a damaged OE-style combined assembly

Installation Notes

Fits 2004 Chevrolet Colorado, front. Fits 2005 Chevrolet Colorado, front. Fits 2006 Chevrolet Colorado, front. Fits 2004 GMC Canyon, front. Fits 2005 GMC Canyon, front. Fits 2006 GMC Canyon, front. Fits 2006 Hummer H3, front. Fits 2006 Isuzu i-350, front.

Verify emissions requirements and EO information before installation. Confirm the vehicle’s original configuration matches the listed direct-fit application and compare the existing assembly to the OE dimensions referenced by the manufacturer.

Quality Assurance

AP Exhaust states that its manufacturing process uses automated workstations, spinner welding equipment, and high-speed production lines to maintain OE dimensions and consistent fitment. The 774335 part number is tied to the 4GMXT03.5188 line and is identified with California emissions compliance in the fitment notes.