# MagnaFlow 5551252 Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD

### Performance Overview

The MagnaFlow Direct-Fit Catalytic Converter 5551252 is engineered to maintain optimal emissions control while ensuring your vehicle operates smoothly. Crafted from high-quality stainless steel, this converter features mandrel-bent tubing that promotes efficient exhaust flow, enhancing overall performance without compromising durability. The design mirrors the original equipment specifications, which guarantees a seamless fit and function, eliminating the need for cutting or welding during installation.

### Key Features

-   Brand: MagnaFlow
-   Part number: 5551252
-   Product type: Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   Chevrolet Silverado 2500 Hd 2011 Lt
-   Chevrolet Silverado 2500 Hd 2011 Wt
-   Chevrolet Silverado 2500 Hd 2011 Ltz
-   Chevrolet Silverado 3500 Hd 2011 Lt
-   Chevrolet Silverado 3500 Hd 2011 Wt
-   Chevrolet Silverado 3500 Hd 2011 Ltz
-   Gmc Sierra 2500 Hd 2011 Sle
-   Gmc Sierra 2500 Hd 2011 Wt

### 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 5551252.

**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

-   Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD for universal fitment
-   5551252 fitment
-   MagnaFlow Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD
-   universal MagnaFlow Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

Chevrolet Silverado 2500 Hd 2011 Lt

Chevrolet Silverado 2500 Hd 2011 Wt

Chevrolet Silverado 2500 Hd 2011 Ltz

Chevrolet Silverado 3500 Hd 2011 Lt

Chevrolet Silverado 3500 Hd 2011 Wt

Chevrolet Silverado 3500 Hd 2011 Ltz

Gmc Sierra 2500 Hd 2011 Sle

Gmc Sierra 2500 Hd 2011 Wt

Gmc Sierra 2500 Hd 2011 Denali

Gmc Sierra 2500 Hd 2011 Slt

Gmc Sierra 3500 Hd 2011 Sle

Gmc Sierra 3500 Hd 2011 Wt

Gmc Sierra 3500 Hd 2011 Denali

Gmc Sierra 3500 Hd 2011 Slt

## Details

- **Price:** 6448.15 CAD
- **Vendor:** MagnaFlow
- **Type:** Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD
- **Tags:** 5551252, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD, Exhaust Performance, Exhaust System, MagnaFlow, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 6448.15 CAD | In stock |

## Images

- MagnaFlow 5551252 Direct-Fit Catalytic Converter 5551252 for 2011 Chevy Silverado/GMC Sierra 2500 HD

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-catalytic-converter-universal-5551252)
> Updated: 2026-07-06