AP Exhaust 644197 Catalytic Converter - Front
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AP Exhaust

AP Exhaust 644197 Catalytic Converter - Front

Brand AP Exhaust 644197
Position Front
Body Material Stainless steel
Catalyst Type Ceramic
Clamp Qty None
Inlet Gasket Qty 1
Inlet Hardware Yes
Inlet Type A 3 bolt welded
O2 Sensor Ports 1
Outlet Gasket Qty 1
Outlet Hardware Yes
Outlet Type A 2 bolt welded
Overall Length (IN) 13.5
Type Federal / epa direct-fit
Fits Hyundai · 3 vehicles

Direct-fit design. Built to OE dimensions for a cleaner catalytic converter replacement.

Ceramic catalyst. Supports efficient exhaust treatment in a Federal / EPA application.

Stainless steel body. Adds corrosion-resistant construction for the exhaust system.

$576.62Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $576.62
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Direct-Fit Catalytic Converter

AP Exhaust 644197 is a Federal / EPA direct-fit catalytic converter built for exact OE dimensions and fitment. It uses a ceramic catalyst and stainless steel body construction to support efficient exhaust flow and reliable replacement performance.

Key Features

  • Federal / EPA direct-fit design for straightforward replacement
  • Ceramic catalyst type for efficient emissions control
  • Stainless steel body construction
  • 3-bolt welded inlet and 2-bolt welded outlet connections
  • Includes one inlet gasket and one outlet gasket
  • One O2 sensor port
  • Built to OE dimensions for proper fitment

Detailed Description

This AP Exhaust catalytic converter, part number 644197, is engineered for 2016-2018 Hyundai Tucson front applications with Federal and California emissions configurations. The direct-fit layout follows OE dimensions for a cleaner replacement process, while the ceramic catalyst substrate and stainless steel body support consistent exhaust treatment and durability. AP Exhaust 644197 is a practical choice when replacing a worn or restricted converter on a Hyundai Tucson.

AP Emissions Technologies uses proprietary substrate chemistry and advanced manufacturing methods to produce converters with efficient loading and controlled fitment. That manufacturing approach helps maintain dimensional accuracy across the AP Exhaust 644197 line.

What It Is Used For

  • Replacing a failed or inefficient catalytic converter
  • Restoring exhaust emissions control performance
  • Addressing exhaust restriction from a damaged converter
  • Correcting fitment issues caused by an incorrect replacement part

Installation Notes and Tips

Fits 2016-2018 Hyundai Tucson, front. Verify emissions requirements before installation, since this part is listed for Federal and California emissions and is not for sale or use on vehicles licensed in CA, CO, ME, and NY. Confirm the inlet and outlet connection styles, O2 sensor port location, and overall length before installation. Part number 644197 should be matched to the vehicle application exactly.

Quality Assurance

AP Exhaust states that its manufacturing process uses automated workstations, spinner welding equipment, and high-speed production lines to build converters to exact OE dimensions and fitment.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2018HyundaiTucsonAWD1.6LL4FrontDirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2017HyundaiTucsonAWD1.6LL4FrontDirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2016HyundaiTucsonAWD1.6LL4FrontDirect Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.