MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (21-421) for the 2016-2020 Chevrolet Malibu 1.5L close-coupled position, also fits the Chevrolet Equinox and GMC Terrain. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with the proper tools, no cutting or welding required. Includes gaskets and hardware. Meets Federal/EPA emissions standards for OBDII vehicles (not for sale in California).
| Type | Direct-fit catalytic converter (close-coupled) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets and hardware included |
| OEM Replacement | 12667331 |
| Position | Close-coupled |
| Emissions | Federal/EPA compliant (not for CA) |
| Part Number | 21-421 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2021 | Chevrolet | Equinox | L |
| 2018-2023 | Chevrolet | Equinox | LS |
| 2018-2023 | Chevrolet | Equinox | LT |
| 2018-2023 | Chevrolet | Equinox | Premier |
| 2022-2023 | Chevrolet | Equinox | RS |
| 2016-2021 | Chevrolet | Malibu | L |
| 2016-2023 | Chevrolet | Malibu | LS |
| 2016-2023 | Chevrolet | Malibu | LT |
| 2019-2023 | Chevrolet | Malibu | RS |
| 2022-2023 | GMC | Terrain | AT4 |
| 2021-2023 | GMC | Terrain | Denali |
| 2018-2021 | GMC | Terrain | SL |
| 2018-2023 | GMC | Terrain | SLE |
| 2018-2023 | GMC | Terrain | SLT |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
