# MagnaFlow 99759HM Heavy Metal Catalytic Converter (3" ID/3" OD) for 1996-2008 Chevrolet Avalanche 2500 and More

### Performance Overview

Magnaflow specializes in performance catalytic converter. They've spent over thirty years creating, developing, and improving on their technology to earn their reputation as being the global market leader. magnaflow's Heavy Metal catalytic converters use a combination of ceramic and metallic substrates as well as wall thickness specifically developed for your specific vehicle needs. Installation may require some cutting and welding.

### Key Features

-   Brand: MagnaFlow
-   Part number: 99759HM
-   Product type: Heavy Metal Catalytic Converter (3" ID/3" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2003 Chevrolet Avalanche 2500, Note: Base; 8.1L; 3.00"; 3.00"
-   2004 Chevrolet Avalanche 2500, Note: Base; 8.1L; 3.00"; 3.00"
-   2005 Chevrolet Avalanche 2500, Note: Ls, Lt; 8.1L; 3.00"; 3.00"
-   1996 Chevrolet C2500, Note: Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"
-   1997 Chevrolet C2500, Note: Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"
-   1996 Chevrolet C2500 Suburban, Note: Base, Ls, Lt; 7.4L; 3.00"; 3.00"
-   1996 Chevrolet C3500, Note: Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"
-   1997 Chevrolet C3500, Note: Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 99759HM.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Heavy Metal Catalytic Converter (3" ID/3" OD) for Chevrolet Avalanche 2500
-   99759HM fitment
-   MagnaFlow Heavy Metal Catalytic Converter (3" ID/3" OD)
-   1996 Chevrolet Avalanche 2500 Heavy Metal Catalytic Converter (3" ID/3" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2003

Chevrolet

Avalanche 2500

Base; 8.1L; 3.00"; 3.00"

2004

Chevrolet

Avalanche 2500

Base; 8.1L; 3.00"; 3.00"

2005

Chevrolet

Avalanche 2500

Ls, Lt; 8.1L; 3.00"; 3.00"

1996

Chevrolet

C2500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1997

Chevrolet

C2500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1996

Chevrolet

C2500 Suburban

Base, Ls, Lt; 7.4L; 3.00"; 3.00"

1996

Chevrolet

C3500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1997

Chevrolet

C3500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1996

Chevrolet

Express 3500

Base, Ls; 7.4L; 3.00"; 3.00"

1997

Chevrolet

Express 3500

Base, Ls; 7.4L; 3.00"; 3.00"

1998

Chevrolet

Express 3500

Base, Ls; 7.4L; 3.00"; 3.00"

1999

Chevrolet

Express 3500

Base, Ls; 7.4L; 3.00"; 3.00"

2000

Chevrolet

Express 3500

Base, Ls; 7.4L; 3.00"; 3.00"

1996

Chevrolet

G30 Van

Beauville, Chevy Van, Hi-Cube, Sportvan; 7.4L; 3.00"; 3.00"

1996

Chevrolet

K2500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1997

Chevrolet

K2500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1996

Chevrolet

K2500 Suburban

Base, Ls, Lt; 7.4L; 3.00"; 3.00"

1996

Chevrolet

K3500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

1997

Chevrolet

K3500

Base, Cheyenne, Silverado; 7.4L; 3.00"; 3.00"

2001

Chevrolet

Silverado 2500 Hd

Base, Ls, Lt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2002

Chevrolet

Silverado 2500 Hd

Base, Ls, Lt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2003

Chevrolet

Silverado 2500 Hd

Base, Ls, Lt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2004

Chevrolet

Silverado 2500 Hd

Base, Ls, Lt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2005

Chevrolet

Silverado 2500 Hd

Base, Ls, Lt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2006

Chevrolet

Silverado 2500 Hd

Ls, Lt, Wt; 6.0L, 8.1L; 3.00"; 3.00"

2007

Chevrolet

Silverado 2500 Hd

Ls, Lt, Wt; 8.1L; New Body; 3.00"; 3.00"

2001

Chevrolet

Silverado 3500

Base, Ls, Lt; 6.6L; 3.00"; 3.00"

2002

Chevrolet

Silverado 3500

Base, Ls, Lt; 6.6L; 3.00"; 3.00"

2003

Chevrolet

Silverado 3500

Base, Ls, Lt; 6.6L; 3.00"; 3.00"

2004

Chevrolet

Silverado 3500

Base, Ls, Lt, Wt; 6.6L; 3.00"; 3.00"

2005

Chevrolet

Silverado 3500

Base, Ls, Lt; 6.6L; 3.00"; 3.00"

2007

Chevrolet

Silverado 3500

Ls, Lt, Wt; 6.0L; New Body; 3.00"; 3.00"

2000

Chevrolet

Suburban 2500

Base, Ls, Lt; 6.0L; 3.00"; 3.00"

2001

Chevrolet

Suburban 2500

Base, Ls, Lt; 6.0L; 3.00"; 3.00"

2002

Chevrolet

Suburban 2500

Ls, Lt; 6.0L; 3.00"; 3.00"

2003

Chevrolet

Suburban 2500

Ls, Lt; 6.0L; 3.00"; 3.00"

2004

Chevrolet

Suburban 2500

Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00"

2005

Chevrolet

Suburban 2500

Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00"

2006

Chevrolet

Suburban 2500

Ls, Lt; 6.0L, 8.1L; 3.00"; 3.00"

2007

Chevrolet

Suburban 2500

Ls, Lt, Ltz; 6.0L; 3.00"; 3.00"

2008

Chevrolet

Suburban 2500

Ls, Lt; 6.0L; 3.00"; 3.00"

1996

GMC

C2500 Suburban

Base, Sle, Slt; 7.4L; 3.00"; 3.00"

1997

GMC

C2500 Suburban

Base, Sle, Slt; 7.4L; 3.00"; 3.00"

1996

GMC

C3500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1997

GMC

C3500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1996

GMC

G35/G3500 Van

Magnavan, Rally, Rally Camper Special, Rally Stx, Vandura, Vandura Special; 7.4L; 3.00"; 3.00"

1996

GMC

G3500

Rally; 7.4L; 3.00"; 3.00"

1996

GMC

K2500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1997

GMC

K2500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1996

GMC

K2500 Suburban

Base, Sle, Slt; 7.4L; 3.00"; 3.00"

1996

GMC

K3500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1997

GMC

K3500

Sierra Sl, Sierra Sle, Sierra Slt; 7.4L; 3.00"; 3.00"

1996

GMC

Savana 3500

Base, Sle; 7.4L; 3.00"; 3.00"

1997

GMC

Savana 3500

Base, Sle; 7.4L; 3.00"; 3.00"

1998

GMC

Savana 3500

Base, Sle; 7.4L; 3.00"; 3.00"

1999

GMC

Savana 3500

Base, Sle; 7.4L; 3.00"; 3.00"

2000

GMC

Savana 3500

Base, Sle; 7.4L; 3.00"; 3.00"

2001

GMC

Sierra 2500 Hd

Sl, Sle, Slt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2002

GMC

Sierra 2500 Hd

Base, Sl, Sle, Slt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2003

GMC

Sierra 2500 Hd

Base, Sl, Sle, Slt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2004

GMC

Sierra 2500 Hd

Base, Sl, Sle, Slt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2005

GMC

Sierra 2500 Hd

Base, Sl, Sle, Slt, Wt; 6.0L, 6.6L, 8.1L; 3.00"; 3.00"

2006

GMC

Sierra 2500 Hd

Sl, Sle, Slt, Wt; 8.1L; 3.00"; 3.00"

2007

GMC

Sierra 2500 Hd

Sl, Sle, Slt, Wt; 8.1L; New Body; 3.00"; 3.00"

2001

GMC

Sierra 3500

Sl, Sle, Slt; 6.6L; 3.00"; 3.00"

2002

GMC

Sierra 3500

Base, Sl, Sle, Slt; 6.6L; 3.00"; 3.00"

2003

GMC

Sierra 3500

Base, Sle, Slt; 6.6L; 3.00"; 3.00"

2004

GMC

Sierra 3500

Base, Sle, Slt, Wt; 6.6L; 3.00"; 3.00"

2005

GMC

Sierra 3500

Base, Sle, Slt, Wt; 6.6L; 3.00"; 3.00"

2007

GMC

Sierra 3500

Sl, Sle, Slt, Wt; 6.0L; New Body; 3.00"; 3.00"

## Details

- **Price:** 359.6 CAD
- **Vendor:** MagnaFlow
- **Type:** Heavy Metal Catalytic Converter (3" ID/3" OD)
- **Tags:** 1996 Chevrolet C2500, 1996 Chevrolet C2500 Suburban, 1996 Chevrolet C3500, 1996 Chevrolet Express 3500, 1996 Chevrolet G30 Van, 1996 Chevrolet K2500, 1996 Chevrolet K2500 Suburban, 1996 Chevrolet K3500, 1997 Chevrolet C2500, 1997 Chevrolet C3500, 1997 Chevrolet Express 3500, 1997 Chevrolet K2500, 1997 Chevrolet K3500, 1998 Chevrolet Express 3500, 1999 Chevrolet Express 3500, 2000 Chevrolet Express 3500, 2000 Chevrolet Suburban 2500, 2001 Chevrolet Silverado 2500 Hd, 2001 Chevrolet Silverado 3500, 2001 Chevrolet Suburban 2500, 2002 Chevrolet Silverado 2500 Hd, 2002 Chevrolet Silverado 3500, 2002 Chevrolet Suburban 2500, 2003 Chevrolet Avalanche 2500, 2003 Chevrolet Silverado 2500 Hd, 2003 Chevrolet Silverado 3500, 2004 Chevrolet Avalanche 2500, 2004 Chevrolet Silverado 2500 Hd, 2004 Chevrolet Silverado 3500, 2005 Chevrolet Avalanche 2500, 2005 Chevrolet Silverado 2500 Hd, 2005 Chevrolet Silverado 3500, 2006 Chevrolet Silverado 2500 Hd, 2007 Chevrolet Silverado 2500 Hd, 2007 Chevrolet Silverado 3500, 99759HM, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, Heavy Metal Catalytic Converter (3" ID/3" OD), MagnaFlow, Magnaflow-99759HM, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 359.60 CAD | In stock |

## Images

- MagnaFlow 99759HM Heavy Metal Catalytic Converter (3" ID/3" OD)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-avalanche-2500-catalytic-converter-99759hm)
> Updated: 2026-07-16
