Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › MagnaFlow
MagnaFlow
MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642

Best price now

$856.60at eBayChecked 14 h ago

15% under what the other stores charge

Compared across 17 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

Visit eBay

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $856.60 at eBay on Nov 9.
  • Checked at 17 stores.

Our take on the MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642

The MagnaFlow 52642 is a direct-fit, EPA-compliant catalytic converter built for the 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 4.3L V6. It uses 16-gauge 409 stainless steel tubing, a spun ceramic substrate body and four oxygen sensor ports, and it bolts on with flanges and clamps, so no cutting or welding is needed. It is the practical choice for a driver facing a failed factory converter who wants OEM-style fit without a dealer part. Against universal converters it costs more effort up front but avoids fabrication, and against budget no-name direct-fits it offers thicker tubing and a documented fit.

Best forSilverado/Sierra 1500 4.3L V6 owners with a failed or clogged converterDrivers in Federal/EPA emissions states who need a legal replacementDIY installers who want a bolt-on part with gaskets and clamps includedOwners keeping a high-mileage truck on the road
Pros
  • Direct-fit flanged design bolts on without cutting or welding
  • 16-gauge 409 stainless steel tubing resists corrosion
  • Four sensor ports match the factory layout
  • Gaskets and clamp included in the box
  • EPA compliant for Federal and OBDII vehicles
Cons
  • Not legal for California CARB-registered vehicles
  • Only fits the 4.3L V6 trucks, not the 5.3L or 6.2L
  • Heavy at 34 lb and long at over 51 inches, so a helper helps
  • No hangers included despite the listing language
  • Ceramic substrate can crack if the engine runs rich or burns oil

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642 prices at every store

  • Partsgeek.comNew

    In stock

    $930.00Free shippingChecked 14 h ago
    Visit Partsgeek.com
  • RealtruckNew

    In stock

    $930.00Free shippingChecked 14 h ago
    Visit Realtruck
  • AutoZoneNew

    In stock

    $932.99+ $4.99 shippingChecked 14 h ago
    Visit AutoZone
  • MagnaFlow ConvertersNew

    In stockReturn policy

    $1,013.00Checked 14 h ago
    Visit MagnaFlow Converters
  • eBayNew

    In stockSold by neverenoughauto

    $1,013.00Free shippingChecked 14 h ago
    Visit eBay
  • AmericanTrucks.comNew

    In stock

    $1,013.00Free shippingChecked 14 h ago
    Visit AmericanTrucks.com
  • RealTruck.comNew

    In stock

    $1,013.00Free shippingChecked 14 h ago
    Visit RealTruck.com
  • CARiD.comNew

    In stock

    $1,013.00Free shippingChecked 14 h ago
    Visit CARiD.com
  • Milky MotorsportsNew

    In stockReturn policy

    $1,013.00Checked 14 h ago
    Visit Milky Motorsports
  • Wicked Diesel VANew

    In stockReturn policy

    $1,013.00Checked 14 h ago
    Visit Wicked Diesel VA
  • Summit RacingNew

    In stock

    $1,013.99Free shippingChecked 14 h ago
    Visit Summit Racing
  • JEGS High PerformanceNew

    In stock

    $1,013.99Free shippingChecked 14 h ago
    Visit JEGS High Performance
  • Mayhem MotorsportsNew

    In stock

    $1,013.00+ $9.99 shippingChecked 14 h ago
    Visit Mayhem Motorsports
  • Advance Auto PartsNew

    In stock

    $1,079.00Free shippingChecked 14 h ago
    Visit Advance Auto Parts
  • CarParts.comNew

    In stock

    $1,013.00+ $84.00 shippingChecked 14 h ago
    Visit CarParts.com
  • Advance Auto PartsNew

    In stock

    $1,079.00+ $21.55 shippingChecked 14 h ago
    Visit Advance Auto Parts
  • eBayNew

    Availability unknownReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $856.60Free shippingChecked 14 h ago
    Visit eBay

Also available at

  • WalmartCheck price at Walmart
  • WalmartCheck price at Walmart
  • TWISTCheck price at TWIST
  • The Twister GroupCheck price at The Twister Group
  • MagnaFlow ConvertersCheck price at MagnaFlow Converters

Store links may earn us a commission. Some prices via Klarna.

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642 price history

Lowest price we've seen: $723.12 on Nov 9 at The Twister Group. Tracked across 17 stores since Nov 9.

What reviewers say

Owners of 4.3L Silverados and Sierras generally report the 52642 bolts up to the factory flanges and clears the check engine light. Complaints center on fitment confusion across engine options and on durability when the truck has underlying fuel or oil problems.

What people mention
  • FitmentMixedIt fits 4.3L V6 trucks well, but shoppers often confuse it with the 5.3L part.
  • Check engine lightPraisedOwners say the P0420 code clears once the converter is installed.
  • Build qualityPraisedThe 16-gauge stainless tubing and welds feel more solid than cheap replacements.
  • DurabilityCriticisedA few units failed early when the engine had unresolved fuel or oil problems.
  • InstallationMixedBolt-on fit is easy, but the 34 lb, 51-inch assembly is awkward to handle alone.
  • HardwareCriticisedBuyers expected exhaust hangers and found none in the box.

From Partsgeek.com

  • Direct-fit OEM grade catalytic converter for 2016-2020 Chevrolet Suburban 5.3L V8
  • Durable 308 stainless steel MIG welds
  • Essential gaskets and hardware included in the box to simplify installation
  • Crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for corrosion resistance and long service life
  • OE-sized barbed exhaust hangers in corrosion-resistant 410 stainless steel reduce noise and vibration
Materials
Stainless steel body and tubing; ceramic substrate
Fit
Direct-fit, vehicle-specific for 2016-2020 Chevrolet Suburban 5.3L V8
Returns
30 day returns
Shipping
Free ground shipping; does not ship to California, Colorado, New York, or Maine
In the box
Essential gaskets and hardware, Clamps included

About the MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52642. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 52642 includes (1) Crush Ring Gasket, (1) Donut Gasket, (1) Torca Clamp and interchanges with OE parts 20757674. 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.

Specifications

Fits Vehicle
CarsSource
Material
Stainless SteelSource
Inlet Type
FlangeSource
Clamps Included
YesSource

Questions and answers

Will this fit my 2018 Silverado 1500 with the 5.3L V8?
No. The 52642 is built for the 4.3L V6 trucks. The 5.3L and 6.2L engines use a different converter.
Is it legal in California?
No. It is EPA compliant for Federal and OBDII vehicles, not CARB approved for California emissions states.
Do I need to weld or cut anything?
No. It is a direct-fit unit with flanged inlet and pipe outlet, and the gaskets and clamp are included.
Will it turn off my check engine light?
It should clear a P0420 code caused by a failed converter. If the engine is running rich or burning oil, fix that first or the new unit will fail too.
What is in the box?
The converter, one crush ring gasket, one donut gasket and one Torca clamp. Exhaust hangers are not included.
How does it compare with a universal converter?
It costs more than a universal unit but bolts straight to the factory flanges, so you skip fabrication and welding.
Where is the MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642 cheapest?
At eBay, for $856.60, 15% under what the other stores charge, as of our latest check.
Where can I buy the MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642?
18 stores we checked sell it, including MagnaFlow Converters, Partsgeek.com, AutoZone, eBay, AmericanTrucks.com.

Shoppers also compared

  • W
    Walker Exhaust CalCat Direct Fit Catalytic Converter
    Walker Exhaust CalCat Direct Fit Catalytic Converter
  • M
    MagnaFlow Direct-Fit Catalytic Converter
    MagnaFlow Direct-Fit Catalytic Converter
  • A
    AP Exhaust Direct Fit Catalytic Converter
    AP Exhaust Direct Fit Catalytic Converter
  • M
    Magnaflow Direct-Fit Catalytic Converter HM Grade Rear (99-01 4.0L Jeep Grand Cherokee WJ)
    Magnaflow Direct-Fit Catalytic Converter HM Grade Rear (99-01 4.0L Jeep Grand Cherokee WJ)
  • S
    Stainless Steel EPA-Approved Rear Catalytic Fits Mazda B3000 2004-2006 3.0L B4000 4.0L - Direct Fit
    Stainless Steel EPA-Approved Rear Catalytic Fits Mazda B3000 2004-2006 3.0L B4000 4.0L - Direct Fit
  • N
    Northeastern Exhaust Stainless Steel Rear Exhaust Catalytic Fits 2011–2016 Toyota Sienna 3.5L AWD – Direct Fit EPA-Approved
    Northeastern Exhaust Stainless Steel Rear Exhaust Catalytic Fits 2011–2016 Toyota Sienna 3.5L AWD – Direct Fit EPA-Approved
  • A
    A-Premium Rear Catalytic Converter Kit Direct-Fit Compatible with Ford Escape 2001 2002 2003 2004 & Mazda Tribute 2001 2002 2003 2004, 3.0L, EPA Compliant
    A-Premium Rear Catalytic Converter Kit Direct-Fit Compatible with Ford Escape 2001 2002 2003 2004 & Mazda Tribute 2001 2002 2003 2004, 3.0L, EPA Compliant
  • N
    Northeastern Exhaust Stainless Steel EPA-Approved Rear Catalytic Converter Fits 2011–2013 Toyota Sienna 2.7L FWD Minivan
    Northeastern Exhaust Stainless Steel EPA-Approved Rear Catalytic Converter Fits 2011–2013 Toyota Sienna 2.7L FWD Minivan

Stores we've priced the MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 52642 at

  • Walmart deals and prices

More from MagnaFlow

  • M
    MagnaFlow Universal Catalytic Converter 51235
    MagnaFlow Universal Catalytic Converter 51235
  • M
    MagnaFlow 16869
    MagnaFlow 16869
  • M
    Magnaflow 49295 Direct Fit Catalytic Converter
    Magnaflow 49295 Direct Fit Catalytic Converter
  • M
    MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 280424
    MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 280424
  • M
    MagnaFlow Direct Fit Catalytic Converter 00-05 Blazer 4.3L
    MagnaFlow Direct Fit Catalytic Converter 00-05 Blazer 4.3L
  • M
    MagnaFlow 09-14 Ford E-150 California Grade CARB Compliant Direct-Fit Catalytic Converter - 5551294
    MagnaFlow 09-14 Ford E-150 California Grade CARB Compliant Direct-Fit Catalytic Converter - 5551294
  • M
    Magnaflow 16834 Sys C/B
    Magnaflow 16834 Sys C/B
  • M
    Magnaflow Direct-Fit Replacement Exhaust System
    Magnaflow Direct-Fit Replacement Exhaust System
All MagnaFlow deals and products →
Hangers Included
NoSource
Series
OEM GradeSource
Body Type
SpunSource
Outlet Type
Pipe ConnectionSource
Substrate Material
CeramicSource
Overall Length
51.625INSource
Sensor Port Count
4Source
Shipping Weight
34.00Source
Catalytic Inlet Diameter
2.5"Source
Material Type
Stainless steel
Vehicle Make
Chevrolet
Vehicle Model
Silverado 1500
Vehicle Year
2018
Engine Type
4.3 LV3 (2018 Silverado)
Component Type
Catalytic converter
Inlet Diameter
2.5 in
Length
51.625 in
Outlet Diameter
2.5 in
Diameter
2.5 in (main piping)
Body Diameter
5.000 in (width)