Catalytic Converter for Pontiac G5 Pursuit (2006-2007) 2.2L

Direct-Fit Replacement Catalytic Converter for 2006-2007 Pontiac G5 (Delta)

What it Does: The direct-fit catalytic converter treats exhaust hydrocarbons and carbon monoxide on the 2006-2007 Pontiac G5 to extinguish catalyst efficiency trouble codes and restore proper backpressure balance.

The Stock Pontiac G5 Catalytic Converter Degradation

Over extended duty cycles, the factory converter on the GM Delta chassis suffers from washcoat depletion, thermal fracturing, and internal cell meltdown. Unburnt fuel and oil blow-by slowly contaminate the noble metal matrix within the ceramic honeycomb, dropping oxygen storage capacity below threshold. Once catalyst efficiency deteriorates, the downstream heated oxygen sensor triggers diagnostic trouble codes P0420 or P0430. Degraded internal substrates can also break apart, creating exhaust restrictions that spike backpressure, sap engine load output, and cause persistent sulfur odors.

The Engineering Solution

This replacement converter is fabricated with a heavy-gauge, corrosion-resistant stainless steel outer shell designed to withstand rigorous thermal cycling and road debris impact. Internally, a high-efficiency ceramic catalyst substrate features a dense washcoat loaded with catalytic precious metals to maximize conversion efficiency and eliminate false sensor faults. Mandrel-formed transitions match the OEM exhaust path to prevent flow turbulence, while precision-machined flanges and factory-located pre- and post-catalyst O2 bungs allow a direct bolt-on install with zero cutting or welding required. Interchangeable with OEM reference numbers 54807, 59332, and 642780.

What's Included

• 1 x Direct-fit catalytic converter
• Mounting hardware

Technical Specifications

Compatibility

• 2006 Pontiac Pursuit 2.2L L4 (Canada)
• 2007 Pontiac G5 Base 2.2L L4
• 2007 Pontiac Pursuit 2.2L L4 (Canada)

Frequently Asked Questions & Fitment Warnings

Does this fit the Delta G5?

Yes, this is a direct fit for the 2006-2007 Pontiac G5 and Pursuit equipped with the 2.2L L61 Ecotec engine. Not compliant with CARB standards; cannot ship to California, Colorado, New York, or Maine.

Will this unit require custom fabrication or welding to install?

No, this assembly utilizes factory-matched mounting flanges and factory-indexed O2 sensor bungs for a straightforward bolt-on installation.

The Pontiac Precision Standard

Engineered for the GM sport-compact platform, this converter restores smooth exhaust scavenging and OEM powertrain calibration so your Pontiac runs clean, responsive, and check-engine-light free.