# MagnaFlow 4561333 California Direct Fit Catalytic Converter (3.00" ID/3.00" OD) for 2000-2005 Buick Lesabre and More

### Performance Overview

Magnaflow's California Catalytic Converter is designed to be CARB compliant. The catalytic converter's ribbed body is designed to minimize distortion and expansion of the body to hold the ceramic catalyst in place. magnaflow's Catalytic Converters are made of stainless steel and are backed by their limited lifetime warranty.

### Key Features

-   Brand: MagnaFlow
-   Part number: 4561333
-   Product type: California Direct Fit Catalytic Converter (3.00" ID/3.00" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2000 Buick Lesabre, Note: Custom, Limited; 3.8L; 3.00"; 3.00"
-   2001 Buick Lesabre, Note: Custom, Limited; 3.8L; 3.00"; 3.00"
-   2002 Buick Lesabre, Note: Custom, Limited; 3.8L; 3.00"; 3.00"
-   2003 Buick Lesabre, Note: Custom, Limited; 3.8L; 3.00"; 3.00"
-   2000 Buick Park Avenue, Note: Base, Ultra; 3.8L; 3.00"; 3.00"
-   2001 Buick Park Avenue, Note: Base, Ultra; 3.8L; 3.00"; 3.00"
-   2002 Buick Park Avenue, Note: Base, Ultra; 3.8L; 3.00"; 3.00"
-   2003 Buick Park Avenue, Note: Base, Ultra; 3.8L; 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 4561333.

**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

-   California Direct Fit Catalytic Converter (3.00" ID/3.00" OD) for Buick Lesabre
-   4561333 fitment
-   MagnaFlow California Direct Fit Catalytic Converter (3.00" ID/3.00" OD)
-   2000 Buick Lesabre California Direct Fit Catalytic Converter (3.00" ID/3.00" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2000

Buick

Lesabre

Custom, Limited; 3.8L; 3.00"; 3.00"

2001

Buick

Lesabre

Custom, Limited; 3.8L; 3.00"; 3.00"

2002

Buick

Lesabre

Custom, Limited; 3.8L; 3.00"; 3.00"

2003

Buick

Lesabre

Custom, Limited; 3.8L; 3.00"; 3.00"

2000

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2001

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2002

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2003

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2004

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2005

Buick

Park Avenue

Base, Ultra; 3.8L; 3.00"; 3.00"

2000

Pontiac

Bonneville

Se, Sle, Ssei; 3.8L; 3.00"; 3.00"

2001

Pontiac

Bonneville

Se, Sle, Ssei; 3.8L; 3.00"; 3.00"

2002

Pontiac

Bonneville

Se, Sle, Ssei; 3.8L; 3.00"; 3.00"

2003

Pontiac

Bonneville

Se, Sle, Ssei; 3.8L; 3.00"; 3.00"

2004

Pontiac

Bonneville

Gxp, Se, Sle; 3.8L, 4.6L; 3.00"; 3.00"

2005

Pontiac

Bonneville

Gxp; 4.6L; 3.00"; 3.00"

## Details

- **Price:** 1511.41 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter (3.00" ID/3.00" OD)
- **Tags:** 2000 Buick Lesabre, 2000 Buick Park Avenue, 2000 Pontiac Bonneville, 2001 Buick Lesabre, 2001 Buick Park Avenue, 2001 Pontiac Bonneville, 2002 Buick Lesabre, 2002 Buick Park Avenue, 2002 Pontiac Bonneville, 2003 Buick Lesabre, 2003 Buick Park Avenue, 2003 Pontiac Bonneville, 2004 Buick Park Avenue, 2004 Pontiac Bonneville, 2005 Buick Park Avenue, 2005 Pontiac Bonneville, 4561333, Auto Parts, Automotive, California Direct Fit Catalytic Converter (3.00" ID/3.00" OD), Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-4561333, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1511.41 CAD | In stock |

## Images

- MagnaFlow 4561333 California Direct Fit Catalytic Converter (3.00" ID/3.00" OD)

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-buick-lesabre-catalytic-converter-carb-4561333)
> Updated: 2026-06-13