2019-2026
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Find Catalytic Converters for your Sierra 1500
Magnaflow Direct-Fit Catalytic Converter; OEM Grade (16-18 4.3L, 5.3L Sierra 1500)Find parts that fit my vehicle
Item S517921
Our Price
$1,013.00 each
Military, Medical & First Responders
$50.65 Available in AT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Durable 308 Stainless Steel MIG Welds
- Simplifies Installation With Essential Gaskets And Hardware Included
- Trusted Source For EPA-Compliant Catalytic Converters Providing Genuine Compliance And Quality
- Expertly Crafted To Replicate OEM-Like Flow Dynamics Maintaining Factory Performance And Fuel Efficiency
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- OE-Sized Barbed Exhaust Hangers Made From Corrosion-Resistant 410 Stainless Steel Designed To Reduce Noise And Vibration
- Mandrel Bent Tubing Retains OEM-Like Design And Geometry Ensuring Smooth Exhaust Flow For Peak Fuel Economy And Engine Operation
- Includes 1 Torca Clamp, 1 Donut Gasket, And 1 Crush Ring Gasket
- Inlet Type Flange
- Clamps Included Yes
- Hangers Included No
- Series OEM Grade
- Material Stainless Steel
- Body Type Spun
- Finish Stainless
- Tube Material Stainless Steel
- Outlet Type Pipe Connection
- Heat Shield Attached No
- Body Material Stainless Steel
- California Air Resources Board Certified No
- Substrate Material Ceramic
- Universal Or Specific Fit Specific
- Grade Type Regular
- Inlet Gasket Included Yes
- Oxygen Sensor Location Pre And Post Converter
- Air Tube Adaptable No
- Fits 16-18 4.3L, 5.3L Sierra 1500
Description
Premium Emissions Control. The Magnaflow Direct-Fit Catalytic Converter; OEM Grade is designed to replace your vehicle’s original catalytic converter to maintain optimal emissions control. It helps keep your engine running smoothly by reducing toxic emissions and preventing check engine light issues. This component is essential for ensuring your vehicle complies with federal emissions regulations and preserves factory performance.
Construction and Appearance. Constructed from durable 308 stainless steel with MIG welds, this catalytic converter features high-strength 16 gauge 409 stainless steel tubing and corrosion-resistant 410 stainless steel exhaust hangers. Its spun stainless steel body has a polished stainless finish designed to resist corrosion and wear while providing OEM-like appearance and flow dynamics.
Installation. This direct-fit catalytic converter offers straightforward installation with included gaskets and hardware, requiring no cutting or welding. Designed to fit precisely using 3D scanning for exact OEM replication, it minimizes installation challenges and fits securely via flange inlet and clamps.
Warranty. Includes a 25,000-mile emissions warranty and a 5-year construction warranty, assuring long-lasting performance and compliance.
Application. Fits 2016 to 2018 Chevrolet and GMC Sierra 1500 models with 4.3L and 5.3L engines, providing a precise replacement designed for these specific light trucks.
Magnaflow 52642
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Catalytic Converter
- Hardware
- Instruction Manual
Tech Specs
4.6
Customer Reviews (48)
Questions & Answers
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Will It Fit My Sierra 1500
- 4.3L V6 - 16, 17, 18
- 5.3L V8 - 16, 17, 18
