MagnaFlow HM-Grade Federal/EPA-compliant direct-fit catalytic converter (24399) for the 2003-2007 Chevrolet Express 3500 4.8L. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding, and includes gaskets and hardware. Federal/EPA compliant (not for sale in California).
| Type | Direct-fit catalytic converter |
| Grade | HM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets and mounting hardware included |
| Position | Right |
| Emissions | Federal/EPA compliant (not for sale in California) |
Documents: Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Chevrolet | Express 2500 | Base |
| 2003-2007 | Chevrolet | Express 2500 | LS |
| 2006-2007 | Chevrolet | Express 2500 | LT |
| 2003-2007 | Chevrolet | Express 3500 | Base |
| 2003-2007 | Chevrolet | Express 3500 | LS |
| 2006-2007 | Chevrolet | Express 3500 | LT |
| 2003-2007 | GMC | Savana 2500 | Base |
| 2007 | GMC | Savana 2500 | LS |
| 2007 | GMC | Savana 2500 | LT |
| 2003-2005 | GMC | Savana 2500 | SLE |
| 2003-2007 | GMC | Savana 3500 | Base |
| 2006-2007 | GMC | Savana 3500 | LS |
| 2006-2007 | GMC | Savana 3500 | LT |
| 2003-2005 | GMC | Savana 3500 | SLE |
