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Walker 84799 Catalytic Converter
| Brand | Walker 84799 |
|---|---|
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Premium |
| Body Shape | Round |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4.000 |
| Body Length | 8.000 |
| Body Width | 4.000 |
| Inlet Quantity | 2 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Overall Length | 34.47 |
| Sensor Port Count | 4 |
| New York Certified | Yes |
| LH Inlet Outside Diameter | 2.495 |
| LH Inlet Type | 3 bolt welded flange |
| NUMBER OF CONVERTER BODIES | 2 |
| O2 Sensor Ports | 4 |
| Outlet Hardware | No |
| Outlet Outside Diameter | 2.995 |
| RH Inlet Inside Diameter | 3.194 |
| RH Inlet Type | 3-bolt loose flange w/spherical flare |
| Shape | Round |
| Product line | CalCat |
| Fits | Chevrolet and GMC · 15 vehicles |
CARB certified. Built to meet emissions compliance requirements for regulated applications.
Direct-fit design. Delivers an OE-style exhaust connection for specific applications.
Stainless steel body. Premium-grade construction with a round converter housing.
Cross-references AP Exhaust 776426 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
CARB-Compliant Direct-Fit Converter
Walker CalCat catalytic converter 84799 is a specific-fit, direct-fit replacement built for emissions compliance and OE-style installation. It is engineered for applications that require CARB certification and precise exhaust fitment.
- CARB certified for California and New York emissions requirements.
- Direct-fit design for a precise OE-style exhaust connection.
- Stainless steel body with a premium-grade construction.
- Round converter body with dual inlet and single outlet configuration.
- Includes four O2 sensor ports for the correct emissions system layout.
Fitment and Application Details
Fits 2007-2008 Chevrolet Avalanche, N/A. Fits 2007-2008 Chevrolet Silverado 1500, N/A. Fits 2007-2008 Chevrolet Suburban 1500, N/A. Fits 2007-2008 Chevrolet Tahoe, N/A. Fits 2007-2008 GMC Sierra 1500, N/A. Fits 2007-2008 GMC Yukon, N/A. Fits 2008 GMC Yukon XL 1500, N/A. Fits 2007 Chevrolet Silverado 1500 Classic, N/A. Fits 2007 GMC Sierra 1500 Classic, N/A.
Walker CalCat 84799 is part of Walker’s CalCat line, which focuses on direct-fit catalytic converters for OBDII and non-OBD vehicles. The design is intended to deliver the correct fit and emissions-related configuration for the listed applications, including Chevrolet Silverado 1500 and GMC Sierra 1500 fitments.
What It Helps Address
- Failed emissions testing caused by a worn or non-compliant converter.
- Exhaust restriction from a damaged internal catalyst substrate.
- Check engine light concerns related to catalyst efficiency.
- Fitment issues from a converter that does not match the OE-style layout.
- Corrosion concerns in exhaust components exposed to heat and road conditions.
Installation Notes and Tips
Verify the vehicle’s emissions certification requirements before installation, especially for CARB-regulated applications. Confirm inlet and outlet flange style, sensor port count, and overall exhaust routing against the original part. Mounting hardware is not included.
Quality Assurance
Walker states that CalCat direct-fit catalytic converters are designed, tested, and validated to meet CARB standards and provide OE-style fitment. Part number 84799 is built for specific applications and carries CARB and New York certification.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2008 | Chevrolet | Avalanche | 5.3L | V8 | CalCat |
| 2008 | Chevrolet | Silverado 1500 | 4.3L | V6 | CalCat |
| 2008 | Chevrolet | Suburban 1500 | 5.3L | V8 | CalCat |
| 2008 | Chevrolet | Tahoe | 5.3L | V8 | CalCat |
| 2008 | GMC | Sierra 1500 | 4.3L | V6 | CalCat |
| 2008 | GMC | Yukon | 5.3L | V8 | CalCat |
| 2008 | GMC | Yukon XL 1500 | 5.3L | V8 | CalCat |
| 2007 | Chevrolet | Avalanche | 5.3L | V8 | CalCat |
| 2007 | Chevrolet | Silverado 1500 | 4.8L | V8 | CalCat |
| 2007 | Chevrolet | Silverado 1500 Classic | 5.3L | V8 | CalCat |
| 2007 | Chevrolet | Suburban 1500 | 5.3L | V8 | CalCat |
| 2007 | Chevrolet | Tahoe | 5.3L | V8 | CalCat |
| 2007 | GMC | Sierra 1500 | 4.8L | V8 | CalCat |
| 2007 | GMC | Sierra 1500 Classic | 5.3L | V8 | CalCat |
| 2007 | GMC | Yukon | 5.3L | V8 | CalCat |
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