MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (52642) for the 2014-2020 Chevrolet Silverado 1500 4.3L and 2014-2018 GMC Sierra 1500 (also fits Tahoe, Suburban and Yukon). Spun-body 409 stainless construction with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes gaskets and hardware. Federal/EPA compliant (not for sale in California); OBDII.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets & hardware included |
| OEM Replacement | 20757674 |
| Emissions | Federal/EPA compliant (not for sale in California) |
Documents: Technical Bulletin (PDF) | Technical Bulletin (PDF) | Technical Bulletin (PDF) | Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018,2020 | Chevrolet | Silverado 1500 | Custom |
| 2020 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2014-2018,2020 | Chevrolet | Silverado 1500 | High Country |
| 2015-2018 | Chevrolet | Silverado 1500 | LS |
| 2014-2018,2020 | Chevrolet | Silverado 1500 | LT |
| 2020 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2014-2018,2020 | Chevrolet | Silverado 1500 | LTZ |
| 2020 | Chevrolet | Silverado 1500 | RST |
| 2015-2018,2020 | Chevrolet | Silverado 1500 | SSV |
| 2014-2018,2020 | Chevrolet | Silverado 1500 | WT |
| 2019 | Chevrolet | Silverado 1500 LD | Custom |
| 2019 | Chevrolet | Silverado 1500 LD | LT |
| 2019 | Chevrolet | Silverado 1500 LD | WT |
| 2015-2020 | Chevrolet | Suburban | LS |
| 2015-2020 | Chevrolet | Suburban | LT |
| 2015-2016 | Chevrolet | Suburban | LTZ |
| 2017-2020 | Chevrolet | Suburban | Premier |
| 2015-2020 | Chevrolet | Tahoe | LS |
| 2015-2020 | Chevrolet | Tahoe | LT |
| 2015-2016 | Chevrolet | Tahoe | LTZ |
| 2015-2020 | Chevrolet | Tahoe | PPV |
| 2017-2020 | Chevrolet | Tahoe | Premier |
| 2015-2020 | Chevrolet | Tahoe | SSV |
| 2014-2018 | GMC | Sierra 1500 | Base |
| 2014-2018 | GMC | Sierra 1500 | Denali |
| 2014-2018 | GMC | Sierra 1500 | SLE |
| 2014-2018 | GMC | Sierra 1500 | SLT |
| 2019 | GMC | Sierra 1500 Limited | Base |
| 2019 | GMC | Sierra 1500 Limited | SLE |
| 2015-2020 | GMC | Yukon | SLE |
| 2015-2020 | GMC | Yukon | SLT |
| 2015-2020 | GMC | Yukon XL | SLE |
| 2015-2020 | GMC | Yukon XL | SLT |
