MagnaFlow OEM-Grade Federal/EPA-compliant universal catalytic converter (51309) for 49-state (non-California) applications. Spun-body 409 stainless construction with single laser-fusion welds for smooth flow and a leak-resistant seal; welding is required to install. Federal/EPA compliant for OBDII applications.
| Type | Universal catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Emissions | Federal/EPA compliant (49-state, not for CA) |
| Part Number | 51309 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2004 | Chevrolet | Avalanche 2500 | Base |
| 2005 | Chevrolet | Avalanche 2500 | LS |
| 2005 | Chevrolet | Avalanche 2500 | LT |
| 1996-1997 | Chevrolet | C3500 | Base |
| 1996-1997 | Chevrolet | C3500 | Cheyenne |
| 1996-1997 | Chevrolet | C3500 | Silverado |
| 1996-1997 | Chevrolet | K2500 | Base |
| 1996-1997 | Chevrolet | K2500 | Cheyenne |
| 1996-1997 | Chevrolet | K2500 | Silverado |
| 1996-1997 | Chevrolet | K3500 | Base |
| 1996-1997 | Chevrolet | K3500 | Cheyenne |
| 1996-1997 | Chevrolet | K3500 | Silverado |
| 2004 | Chevrolet | Silverado 2500 | LS |
| 2004 | Chevrolet | Silverado 2500 | LT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LT |
| 2003-2006 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2002 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2000-2001 | Chevrolet | Suburban 2500 | Base |
| 2000-2008 | Chevrolet | Suburban 2500 | LS |
| 2000-2008 | Chevrolet | Suburban 2500 | LT |
| 2007 | Chevrolet | Suburban 2500 | LTZ |
| 1996-1997 | GMC | C3500 | Sierra SL |
| 1996-1997 | GMC | C3500 | Sierra SLE |
| 1996-1997 | GMC | C3500 | Sierra SLT |
| 1996-1997 | GMC | K2500 | Sierra SL |
| 1996-1997 | GMC | K2500 | Sierra SLE |
| 1996-1997 | GMC | K2500 | Sierra SLT |
| 1996-1997 | GMC | K3500 | Sierra SL |
| 1996-1997 | GMC | K3500 | Sierra SLE |
| 1996-1997 | GMC | K3500 | Sierra SLT |
| 1996-2000 | GMC | Savana 3500 | Base |
| 1996-2000 | GMC | Savana 3500 | SLE |
| 2004 | GMC | Sierra 2500 | SLE |
| 2004 | GMC | Sierra 2500 | SLT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2006 | GMC | Sierra 2500 HD | SLE |
| 2001-2006 | GMC | Sierra 2500 HD | SLT |
| 2003-2006 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2002 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2000-2008 | GMC | Yukon XL 2500 | SLE |
| 2000-2008 | GMC | Yukon XL 2500 | SLT |
| 1995-1999 | Volkswagen | Cabrio | Base |
| 1998,2000-2002 | Volkswagen | Cabrio | GL |
| 1998-2002 | Volkswagen | Cabrio | GLS |
| 2001-2002 | Volkswagen | Cabrio | GLX |
| 1997 | Volkswagen | Cabrio | High Line |
| 1995 | Volkswagen | Golf | Celebration Edition |
| 1995 | Volkswagen | Golf | City |
| 1995-1999 | Volkswagen | Golf | GL |
| 1999 | Volkswagen | Golf | GLS |
| 1996-1999 | Volkswagen | Golf | GTI |
| 1997 | Volkswagen | Golf | Jazz |
| 1997-1998 | Volkswagen | Golf | K2 |
| 1995 | Volkswagen | Golf | Sport |
| 1997 | Volkswagen | Golf | Trek |
| 1999 | Volkswagen | Golf | Wolfsburg Edition |
| 1995 | Volkswagen | Jetta | Celebration Edition |
| 1995 | Volkswagen | Jetta | City |
| 1995-1999 | Volkswagen | Jetta | GL |
| 1995-1999 | Volkswagen | Jetta | GLS |
| 1997-1998 | Volkswagen | Jetta | GT |
| 1997 | Volkswagen | Jetta | Jazz |
| 1998 | Volkswagen | Jetta | K2 |
| 1996 | Volkswagen | Jetta | Trek |
| 1996,1998-1999 | Volkswagen | Jetta | Wolfsburg Edition |
| 1995-1996 | Volkswagen | Passat | GLS |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
