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MagnaFlow 4451219 Catalytic Converter - Right
| Brand | MagnaFlow 4451219 |
|---|---|
| Position | Right |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Tube Material | Stainless steel |
| Inlet Type | Bolt-on |
| Outlet Type | B |
| Heat Shield Attached | No |
| Body Material | Stainless steel |
| Substrate Material | Ceramic |
| Overall Length | 36.375 |
| Air Tube Count | 0 |
| Clamp Included | No |
| Converter Quantity | 1 |
| Finish | Stainless steel |
| Hangers Included | No |
| Heat Shield Material | None |
| Type | Direct-fit |
| Product line | Direct-Fit CALIFORNIA OBDII CONVERTERS |
| Fits | Hummer · 1 vehicle |
Direct-fit replacement. Installs with bolt-on convenience and no cutting or welding required.
Stainless steel construction. Resists corrosion for long-lasting exhaust durability.
CARB compliant. Meets California Air Resources Board requirements for legal use in restricted states.
California OBDII Direct-Fit Converter
MagnaFlow 4451219 is a direct-fit California Grade catalytic converter for the 2003 Hummer H2, right side. It is built for a bolt-on replacement using the proper tools, with no cutting or welding required, and is engineered to help keep the check engine light off when the original converter has failed.
The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS line focuses on OE-style fitment and CARB-compliant applications. For the 2003 Hummer H2, this product line uses direct-fit packaging, stainless steel construction, and application-specific design details to match the original exhaust layout.
- Fits 2003 Hummer H2, right
- California Grade CARB-compliant replacement for listed vehicles
- Direct-fit design with bolt-on inlet for easier installation
- Stainless steel body and tubing for corrosion resistance
- Ceramic substrate with compact, low-mass spun body construction
- Single laser fusion weld design to reduce leak potential
- Includes gaskets for proper exhaust sealing
- Overall length: 36.375 inches
Detailed Application Overview
MagnaFlow 4451219 is designed specifically for the 2003 Hummer H2, right position, and is built to replicate the OE spun-body converter layout. The mandrel-bent tubing and stainless steel construction support exhaust flow while maintaining a direct replacement profile. MagnaFlow uses 3D scanning during development to help ensure the part matches the original equipment shape and function for the listed vehicle.
Common Replacement Uses
- Check engine light caused by a failed catalytic converter
- Exhaust leaks at the converter body or flange area
- CARB compliance replacement needs on a 2003 Hummer H2
- Corrosion-related converter deterioration
- OE-style replacement for a damaged right-side converter
Installation Notes
Compatible With 2003 Hummer H2, right side only. Use the included gaskets to help achieve a proper seal and reduce the chance of exhaust leaks. This direct-fit converter installs without cutting or welding when used with the correct tools and standard exhaust service procedures.
Quality Assurance
This converter is designed to meet or exceed California Air Resources Board requirements and has undergone additional testing for CARB guideline compliance on the listed application. MagnaFlow’s metrology and 3D scanning process is used during development to support fit and function for OE-style replacement.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Hummer | H2 | 6.0L | V8 | Right | Certification Level : LEV1 LEV; CARB Executive Order D-193-136; Engine Family Number 3GMXT06.0194; Direct-Fit CALIFORNIA OBDII CONVERTERS |
| No rows match your filter. | ||||||