Walker 70405 Catalytic Converter - Right

Brand Walker 70405
Position Right
Mounting Hardware Included No
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Round
Inlet Inside Diameter 2.5
Inlet Inside Diameter 3
Body Height 4
Body Length 13
Body Width 4
Body Material Stainless steel
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 41.25
Air Tube No
Air Tube Count No
Converter Quantity 1
Inlet 1 Inside Diameter 2.5
Inlet 1 Type Pipe connection
Inlet 2 Inside Diameter 3
Inlet 2 Type 2 bolt loose flange with spherical flare
Inlet Quantity 2
Inlet Type 2 bolt loose flange with spherical flare
Inlet Type Pipe connection
Outlet 1 Outside Diameter 3.625
Outlet 1 Type 2 bolt loose flange with spherical flare
Outlet Outside Diameter 3.625
Outlet Type 2 bolt loose flange with spherical flare
Oxygen Sensor Location Pre catalyst and midbed
Substrate Material Ceramic
Product line EPA
Fits Ford · 5 vehicles

Direct-fit replacement. Specific fit and bolt-on installation help simplify the job.

Stainless steel body. Resists corrosion while the ceramic substrate supports efficient exhaust flow.

EPA-compliant design. Built to meet EPA standards with premium performance.

Cross-references 21-470 and 645166 for the same application. See all 2.

$505.78Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $505.78
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA Ultra Direct-Fit Catalytic Converter

Walker EPA Ultra Direct-Fit Catalytic Converter 70405 is built for the 2015-2019 Ford F-150, right side, with a direct-fit layout for Federal and California emission models. It uses a stainless steel body and ceramic substrate to support exhaust flow and emissions control in a vehicle-specific replacement format.

The Walker EPA product line focuses on EPA-compliant replacement converters for import and domestic OBDII vehicles, giving buyers a direct-fit option for emissions service on newer applications. Part number 70405 is engineered for the right-side exhaust position on the Ford F-150 and follows the original-style inlet and outlet configuration for a cleaner replacement process.

Key Features

  • Fits 2015-2019 Ford F-150, right
  • Walker EPA Ultra Direct-Fit design
  • EPA standards-focused replacement converter
  • Stainless steel body with ceramic substrate
  • Round body shape with direct-fit pipe and flange connections
  • Pre-catalyst and midbed oxygen sensor locations
  • Overall length: 41.25 in.
  • Body dimensions: 13 in. long, 4 in. wide, 4 in. high
  • Inlet sizes: 2.5 in. and 3 in.
  • Outlet outside diameter: 3.625 in.

Detailed Description

Walker 70405 is a specific-fit catalytic converter for the right side of the 2015-2019 Ford F-150. It is configured with a 2.5-inch pipe connection inlet and a 3-inch 2-bolt loose flange with spherical flare inlet, plus a 3.625-inch 2-bolt loose flange with spherical flare outlet. The stainless steel body and ceramic substrate are selected for exhaust system service where emissions performance and fitment accuracy matter.

This part cross-references Monroe Shocks & Struts (e.g., 21-470, 645166) for the same application.

What It Helps Address

  • Failed catalytic converter emissions test results
  • Check engine lights related to catalyst efficiency
  • Restricted exhaust flow from a worn converter
  • Exhaust leaks at the converter connection points
  • Replacement needs on the right-side exhaust of a Ford F-150

Installation Notes and Tips

Fits 2015-2019 Ford F-150, right. Confirm Federal or California emission model coverage before ordering, and note that this part is not legal for sale or use in California and other CARB-compliant states. It is legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. An exhaust gasket is recommended for installation. Verify inlet and outlet flange style, oxygen sensor placement, and exhaust routing before installation.

Quality Assurance

Walker EPA Ultra converters are built to meet EPA standards for approved replacement use on OBDII vehicles. Part number 70405 is designed as a direct-fit emissions component for the Ford F-150 application listed above.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019FordF-1505.0LV8RightFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2018FordF-1505.0LV8RightFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2017FordF-1505.0LV8RightFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2016FordF-1505.0LV8RightFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
2015FordF-1505.0LV8RightFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra Direct Fit Type; EPA
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
21-470645166