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Catalytic Converter
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Catalytic Converter (Magnaflow) for 2016-2023 Chevrolet & GMC • Equinox, Malibu, Terrain NEW

Out of Stock
$ 988 .00

Product Notes

Not legal for sale or installation in California, Colorado or New York.

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-421. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2018-2023 Chevrolet Equinox, 2016-2023 Chevrolet Malibu, and more, this direct-fit catalytic converter also interchanges with OE part 12667331. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Brand: Magnaflow
Condition: New
See All Other Catalytic Converters
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Air Tube Adaptable No
Air Tube Count 0
Body Material Stainless Steel
Body Type Spun
CARB Executive Order Number Not Applicable
California Air Resources Board (CARB) Certified No
Clamps Included No
Finish Stainless Steel
Grade Type Regular
Hangers Included No
Heat Shield Attached No
Inlet Gasket Included No
Inlet Mounting Hardware Included No
Outlet Gasket Included Yes
Outlet Mounting Hardware Included Yes
Oxygen Sensor Location Pre And Post Converter
Prop 65 Y/N No
Sensor Port Count 2
Series Oem Grade
Substrate Material Ceramic
Title Magnaflow Oem Grade Federal / Epa Compliant Direct-fit Catalytic Converter 21-421
Tube Material Stainless Steel

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 2 models (tapclick to expand)(tapclick to hide)
Equinox 2018-2023 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
L SUV 2018 - 2021 L4 1.5L Turbo FWD Automatic
LS SUV 2018 - 2023 L4 1.5L Turbo FWD/4WD Automatic
LT SUV 2018 - 2023 L4 1.5L Turbo FWD/4WD Automatic
LT SUV 2018 - 2019 L4 1.6L DIESEL Turbo FWD/4WD Automatic
LT SUV 2018 - 2020 L4 2.0L Turbo FWD/4WD Automatic
Midnight SUV 2020 L4 1.5L Turbo FWD Automatic
Premier SUV 2018 - 2023 L4 1.5L Turbo FWD/4WD Automatic
Premier SUV 2018 - 2019 L4 1.6L DIESEL Turbo FWD/4WD Automatic
Premier SUV 2018 - 2020 L4 2.0L Turbo FWD/4WD Automatic
Premier Plus SUV 2018 - 2021 L4 1.5L Turbo FWD Automatic
RS SUV 2022 - 2023 L4 1.5L Turbo FWD/4WD Automatic
Malibu 2016-2023 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Hybrid Sedan 2016 - 2019 L4 1.8L FULL HYBRID EV-GAS (FHEV) FWD Automatic
L Sedan 2019 - 2021 L4 1.5L Turbo FWD Automatic CVT
L Sedan 2016 - 2018 L4 1.5L Turbo FWD Automatic
LS Sedan 2019 - 2023 L4 1.5L Turbo FWD Automatic CVT
LS Sedan 2016 - 2018 L4 1.5L Turbo FWD Automatic
LT Sedan 2019 - 2023 L4 1.5L Turbo FWD Automatic CVT
LT Sedan 2016 - 2019 L4 1.5L Turbo FWD Automatic
LT Sedan 2016 - 2018 L4 2.0L Turbo FWD Automatic
Premier Sedan 2016 - 2022 L4 2.0L Turbo FWD Automatic
RS Sedan 2019 - 2023 L4 1.5L Turbo FWD Automatic CVT
GMC 1 model (tapclick to expand)(tapclick to hide)
Terrain 2018-2023 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
AT4 SUV 2022 - 2023 L4 1.5L Turbo 4WD Automatic
AT4 SUV 2022 L4 1.5L Turbo AWD Automatic
Base SUV 2018 L4 2.0L Turbo FWD Automatic
Black Edition SUV 2022 - 2023 L4 1.5L Turbo FWD Automatic
Denali SUV 2021 - 2023 L4 1.5L Turbo FWD/4WD Automatic
Denali SUV 2018 - 2021 L4 2.0L Turbo FWD Automatic
Denali SUV 2018 - 2020 L4 2.0L Turbo 4WD Automatic
SL SUV 2018 - 2021 L4 1.5L Turbo FWD Automatic
SLE SUV 2018 - 2023 L4 1.5L Turbo FWD/4WD Automatic
SLE SUV 2018 - 2019 L4 1.6L DIESEL Turbo FWD/4WD Automatic
SLE SUV 2018 - 2020 L4 2.0L Turbo FWD/4WD Automatic
SLT SUV 2018 - 2023 L4 1.5L Turbo FWD/4WD Automatic
SLT SUV 2018 - 2019 L4 1.6L DIESEL Turbo FWD/4WD Automatic
SLT SUV 2018 - 2021 L4 2.0L Turbo FWD Automatic
SLT SUV 2018 - 2020 L4 2.0L Turbo 4WD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-421. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2018-2023 Chevrolet Equinox, 2016-2023 Chevrolet Malibu, and more, this direct-fit catalytic converter also interchanges with OE part 12667331. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Fits Years: 2016 2017 2018 2019 2020 2021 2022 2023

Fits Models: Equinox, Malibu, Terrain

Go-Parts Garage · Featured Guide

Chevrolet Equinox 2019-2023 Catalytic Converter Replacement Guide

Facing a P0420 code or a failed emissions test? Here is what you need to know before replacing your Equinox's catalytic converter.

Read Full Guide →
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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

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