HomeExhaust > Catalytic ConverterMagnaFlow 4561333 Catalytic Converter
Part #: 4561333

MagnaFlow 4561333 Catalytic Converter

Direct-Fit CALIFORNIA OBDII CONVERTERS
⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct-Fit CALIFORNIA OBDII CONVERTERS
🚗Fitment: Buick and Pontiac, Bonneville, LeSabre, and Park Avenue
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of MagnaFlow Direct-Fit Catalytic Converter 4561333

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS catalytic converter 4561333 is engineered specifically for select Buick and Pontiac models. Designed to meet California emissions standards, this converter offers a precise fit and durable construction for reliable exhaust system performance.

  • Specific fit for Buick Bonneville, Pontiac LeSabre, and Park Avenue
  • Constructed with stainless steel body and tube for corrosion resistance
  • Ceramic substrate material for effective catalytic conversion
  • Bolt-on inlet and clamp-on outlet for straightforward installation
  • Includes mounting hardware and gasket for secure attachment
  • Overall length of 22.75 inches with 3-inch main piping diameter
  • Direct-fit design compatible with California OBDII emissions systems
  • One sensor port included for oxygen sensor integration

Product Line: Direct-Fit CALIFORNIA OBDII CONVERTERS

The Direct-Fit CALIFORNIA OBDII CONVERTERS line by MagnaFlow is tailored to meet stringent California emissions requirements while providing a direct replacement for factory catalytic converters. This product line ensures compatibility with OBDII systems and offers a specific fit for designated vehicle models, reducing installation complexity and maintaining emissions compliance.

Detailed Product Description

This MagnaFlow catalytic converter 4561333 features a stainless steel body and tube material, providing enhanced durability against rust and corrosion. The ceramic substrate efficiently facilitates the conversion of harmful exhaust gases into less harmful emissions. Its bolt-on inlet and clamp-on outlet design allow for a secure and precise fit without the need for extensive modifications. The converter measures 22.75 inches in length and has a 3-inch main piping diameter, matching OEM specifications for Buick Bonneville, Pontiac LeSabre, and Park Avenue models. The inclusion of one sensor port supports oxygen sensor installation, essential for proper engine management and emissions monitoring.

Common Applications and Issues Addressed

  • Replacement for faulty or clogged catalytic converters in Buick Bonneville, Pontiac LeSabre, and Park Avenue
  • Restores proper emissions control to meet California OBDII standards
  • Resolves check engine light issues related to catalytic converter performance
  • Improves exhaust flow and reduces harmful emissions
  • Addresses failed emissions tests due to converter inefficiency

Installation Notes and Tips

This catalytic converter is designed for a direct-fit installation on compatible Buick and Pontiac models. The bolt-on inlet and clamp-on outlet simplify the installation process, but professional installation is recommended to ensure proper sealing and sensor integration. The included mounting hardware and gasket should be used to secure the converter and prevent exhaust leaks. Verify oxygen sensor placement and connections during installation to maintain OBDII system functionality.

Quality Assurance and Warranty

MagnaFlow catalytic converters are manufactured to meet or exceed OEM standards for durability and emissions performance. This product is constructed with high-grade stainless steel and a ceramic substrate to ensure long service life. Warranty details are provided by MagnaFlow and should be reviewed at the time of purchase for specific coverage information.

BrandMagnaFlow
Part Number4561333
PositionDirect-Fit CALIFORNIA OBDII CONVERTERS
Mounting Hardware IncludedYes
Universal Or Specific FitSpecific
Grade TypeRegular
Tube MaterialStainless steel
Inlet TypeBolt-on
Outlet TypeClamp-on
Heat Shield AttachedNo
Body MaterialStainless steel
Substrate MaterialCeramic
Overall Length22.75
Air Tube Count0
Sensor Port Count0
Sensor Port Count1
Air Tube AdaptableNo
Clamp IncludedNo
Converter Quantity1
FinishStainless steel
Gasket IncludedYes
Hangers IncludedNo
Heat Shield MaterialNone
Main Piping Diameter3
Oxygen Sensor LocationNone
TypeDirect-fit

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 5GMXV03.8041; Direct-Fit CALIFORNIA OBDII CONVERTERS
2005PontiacBonneville4.6LV8N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 5GMXV04.6065; Direct-Fit CALIFORNIA OBDII CONVERTERS
2004BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 4GMXV03.8041; Direct-Fit CALIFORNIA OBDII CONVERTERS
2004PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 4GMXV03.8041; Direct-Fit CALIFORNIA OBDII CONVERTERS
2004PontiacBonneville4.6LV8N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 4GMXV04.6065; Direct-Fit CALIFORNIA OBDII CONVERTERS
2003BuickLeSabre3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 3GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2003BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 3GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2003PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 3GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002BuickLeSabre3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 2GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 2GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2002PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 2GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001BuickLeSabre3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 1GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 1GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2001PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number 1GMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000BuickLeSabre3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000BuickLeSabre3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8901; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000BuickPark Avenue3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8901; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8044; Direct-Fit CALIFORNIA OBDII CONVERTERS
2000PontiacBonneville3.8LV6N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-142; Engine Family Number YGMXV03.8901; Direct-Fit CALIFORNIA OBDII CONVERTERS

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.