MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (49637) for the 2001-2003 Chevrolet Suburban 2500 8.1L, also fitting the Chevrolet Avalanche 2500 and GMC Yukon XL 2500. 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. Passenger-side (right) fitment.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets & hardware included |
| Documents | Technical Bulletin (PDF) |
| Position | Right (passenger side) |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Chevrolet | Avalanche 2500 | Base |
| 2001 | Chevrolet | Suburban 2500 | Base |
| 2001-2003 | Chevrolet | Suburban 2500 | LS |
| 2001-2003 | Chevrolet | Suburban 2500 | LT |
| 2001-2003 | GMC | Yukon XL 2500 | SLE |
| 2001-2003 | GMC | Yukon XL 2500 | SLT |
