OE Quality
60-Day Returns

MagnaFlow 458008 Catalytic Converter - Front
Reliable Catalytic Converter for Chevrolet Astro and GMC Safari
The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS catalytic converter (part number 458008) is engineered specifically for Chevrolet Astro and GMC Safari models. Designed to meet California emissions standards, this direct-fit converter ensures proper exhaust flow and emissions control without the need for modifications.
Key Features of MagnaFlow Part 458008
- Direct-fit design tailored for Chevrolet Astro and GMC Safari
- Constructed with durable stainless steel body and tube material
- Ceramic substrate for effective catalytic conversion
- Bolt-on inlet and outlet for straightforward installation
- Includes heat shield made from aluminized steel to protect surrounding components
- Equipped with pre and post converter oxygen sensor locations
- Comes with clamps and hangers for secure mounting
- Overall length options: 43 inches and 48.875 inches
- Main piping diameter of 3 inches for optimal exhaust flow
- Grade type: Regular, suitable for standard driving conditions
About the Direct-Fit CALIFORNIA OBDII CONVERTERS Line
The Direct-Fit CALIFORNIA OBDII CONVERTERS product line by MagnaFlow is designed to comply with California’s strict emissions regulations while providing a precise fit for specific vehicle models. This line focuses on direct replacement catalytic converters that maintain factory sensor locations and mounting points, ensuring compatibility with onboard diagnostics (OBDII) systems. Part number 458008 is part of this line, offering a reliable solution for Chevrolet Astro and GMC Safari owners requiring California-compliant emissions components.
Product Application and Problem Solving
- Replaces faulty or damaged catalytic converters on Chevrolet Astro and GMC Safari
- Resolves check engine light issues related to catalytic converter efficiency
- Helps restore proper exhaust emissions to meet California standards
- Addresses exhaust leaks caused by cracked or corroded converters
- Improves oxygen sensor readings by maintaining correct sensor placement
Installation Notes and Tips
This catalytic converter features bolt-on inlet and outlet connections, simplifying installation without the need for cutting or welding. The included clamps and hangers assist in securing the converter firmly in place. The attached aluminized steel heat shield protects nearby components from excessive heat. Ensure oxygen sensors are installed in the pre and post converter locations to maintain proper emissions monitoring. Professional installation is recommended to verify fitment and sensor functionality.
Quality Assurance and Warranty
MagnaFlow catalytic converters are manufactured with stainless steel materials for corrosion resistance and durability. The ceramic substrate is engineered for consistent catalytic performance. While specific warranty details are not provided here, MagnaFlow products typically come with a limited warranty covering defects in materials and workmanship. Consult MagnaFlow documentation or authorized dealers for exact warranty terms related to part number 458008.
| Brand | MagnaFlow |
| Part Number | 458008 |
| Position | Direct-Fit CALIFORNIA OBDII CONVERTERS, Front |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Tube Material | Stainless steel |
| Inlet Type | Bolt-on |
| Outlet Type | Bolt-on |
| Heat Shield Attached | Yes |
| Body Material | Stainless steel |
| Substrate Material | Ceramic |
| Overall Length | 43 |
| Overall Length | 48.875 |
| Air Tube Count | 0 |
| Air Tube Adaptable | No |
| Clamp Included | Yes |
| Converter Quantity | 2 |
| Finish | Stainless steel |
| Hangers Included | Yes |
| Heat Shield Material | Aluminized steel |
| Main Piping Diameter | 3 |
| Oxygen Sensor Location | Pre and post converter |
| Type | Direct-fit |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Astro | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2005 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 5GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2004 | Chevrolet | Astro | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 4GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2004 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 4GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2003 | Chevrolet | Astro | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 3GMXT04.3181; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2003 | Chevrolet | Astro | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 3GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2003 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 3GMXT04.3181; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2003 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 3GMXT04.3187; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2002 | Chevrolet | Astro | 4.3L | V6 | Front | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 2GMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2002 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 2GMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2001 | Chevrolet | Astro | 4.3L | V6 | Front | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 1GMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2001 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number 1GMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2000 | Chevrolet | Astro | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number YGMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| 2000 | GMC | Safari | 4.3L | V6 | N/A | Certification Level : LEV1 ULEV; CARB Executive Order D-193-101; Engine Family Number YGMXA04.3189; Direct-Fit CALIFORNIA OBDII CONVERTERS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.