# MagnaFlow Conv DF 09-13 Chevy Avalanche 5.3L

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51578. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2009-2013 Chevrolet Silverado 1500, 2009-2013 GMC Sierra 1500, and more, this direct-fit catalytic converter also interchanges with OE parts 19418941 and 15905948, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

-   Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
-   Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
-   OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
-   High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
-   Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
-   Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
-   Precision Stamped Collector Design For Optimal Exhaust Flow/Engine Efficiency And Fuel Economy
-   Torca Accuseal Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force
-   Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box
-   Your Trusted Source For EPA-Compliant Catalytic Converters
-   Mandrel Bent Tubing Retains Oem-Like Design And Geometry
-   Durable 308 stainless steel MIG welds

This Part Fits:

Year

Make

Model

Submodel

2010-2013

Cadillac

Escalade

Hybrid

2010-2013

Cadillac

Escalade

Hybrid Platinum

2013

Chevrolet

Avalanche

Black Diamond LS

2013

Chevrolet

Avalanche

Black Diamond LT

2013

Chevrolet

Avalanche

Black Diamond LTZ

2009-2012

Chevrolet

Avalanche

LS

2009-2012

Chevrolet

Avalanche

LT

2009-2012

Chevrolet

Avalanche

LTZ

2009-2013

Chevrolet

Silverado 1500

Hybrid

2009-2013

Chevrolet

Silverado 1500

LS

2009-2013

Chevrolet

Silverado 1500

LT

2009-2013

Chevrolet

Silverado 1500

LTZ

2009-2013

Chevrolet

Silverado 1500

WT

2010-2013

Chevrolet

Silverado 1500

XFE

2009-2014

Chevrolet

Suburban 1500

LS

2009-2014

Chevrolet

Suburban 1500

LT

2009-2014

Chevrolet

Suburban 1500

LTZ

2010-2013

Chevrolet

Tahoe

Hybrid

2009-2014

Chevrolet

Tahoe

LS

2009-2014

Chevrolet

Tahoe

LT

2009-2014

Chevrolet

Tahoe

LTZ

2009-2014

Chevrolet

Tahoe

PPV

2012-2014

Chevrolet

Tahoe

SSV

2009-2013

GMC

Sierra 1500

Hybrid

2009-2013

GMC

Sierra 1500

SL

2009-2013

GMC

Sierra 1500

SLE

2009-2013

GMC

Sierra 1500

SLT

2009-2013

GMC

Sierra 1500

WT

2010-2013

GMC

Sierra 1500

XFE

2010-2013

GMC

Yukon

Denali Hybrid

2010-2013

GMC

Yukon

Hybrid

2009-2014

GMC

Yukon

SLE

2009-2014

GMC

Yukon

SLT

2009-2014

GMC

Yukon XL 1500

SLE

2009-2014

GMC

Yukon XL 1500

SLT

## Details

- **Price:** 1141.43 CAD
- **Vendor:** Magnaflow
- **Type:** Catalytic Converter Direct Fit

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1141.43 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-conv-df-09-13-chevy-avalanche-5-3l)
> Updated: 2026-06-29