Walker 16859 Catalytic Converter - Rear

Brand Walker 16859
Position Rear
Mounting Hardware Included No
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Round
Body Height 4
Body Length 8
Body Width 4
Inlet Quantity 1
Body Material Stainless steel
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 13
Air Tube No
Air Tube Count No
Converter Quantity 1
Inlet 1 Type 2 bolt welded flange
Inlet Type 2 bolt welded flange
Outlet 1 Outside Diameter 2.5
Outlet 1 Type 2 bolt welded flange
Outlet Outside Diameter 2.5
Outlet Type 2 bolt welded flange
Oxygen Sensor Location No port location
Substrate Material Ceramic
Product line EPA
Fits Hyundai and Kia · 6 vehicles

Direct-fit design. Specific-fit construction for a precise exhaust replacement.

Stainless steel body. Round housing with a durable stainless steel construction.

Ceramic substrate. Built for emissions control performance in OBDII applications.

Cross-references AP Exhaust 642829, 52644 and 52743 for the same application. See all 3.

$226.95Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $226.95
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit EPA Catalytic Converter

Walker EPA Ultra Direct-Fit Catalytic Converter 16859 is built for specific applications and follows EPA standards for OBDII vehicles. It uses a stainless steel body with a ceramic substrate and direct-fit flange connections for a precise exhaust repair.

Key Features

  • Specific-fit catalytic converter for targeted exhaust replacement
  • Stainless steel body with a round housing design
  • Ceramic substrate for emissions control performance
  • 2-bolt welded flange inlet and outlet connections
  • 2.5-inch inlet and outlet outside diameter
  • Walker EPA Ultra Direct-Fit line for import and domestic OBDII vehicles

Fitment Details

Compatible with 2011-2013 Kia Sorento, N/A, and 2010-2012 Hyundai Santa Fe, rear. This part cross-references AP Exhaust 642829 for the same application.

Fits 2011-2013 Kia Sorento, N/A. Fits 2010-2012 Hyundai Santa Fe, rear.

What It Helps Address

  • Failed catalytic converter emissions testing
  • Restricted exhaust flow from a worn converter
  • Check engine light concerns related to converter efficiency
  • Exhaust leaks at flange connection points

Installation Notes

Exhaust gasket is recommended. Additional parts are needed to complete installation: 31337 and 31512. This converter has no oxygen sensor port location and does not include mounting hardware.

Quality Assurance

Walker designs this EPA Ultra Direct-Fit converter to meet EPA standards for specific OBDII applications. It is not CARB certified.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013KiaSorento3.5LV6N/AFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
2012HyundaiSanta Fe3.5LV6RearFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
2012KiaSorento3.5LV6N/AFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
2011HyundaiSanta Fe3.5LV6RearFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
2011KiaSorento3.5LV6N/AFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
2010HyundaiSanta Fe3.5LV6RearFits 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; Additional part(s) needed to complete installation - 31337 and 31512; Ultra Direct Fit Type; EPA
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 6428295264452743