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A midsize SUV like your Highlander provides a number of advantages, including comfort and performance. A Toyota Highlander catalytic converter neutralizes the toxic fumes that are released by the combustion system, so it's vital that you replace it at the first sign of a problem.

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  •  | Page 1 of 6 |  
  • Part Number: 93253
  • Notes: Universal
    Universal Federal. Rear. Not for sale or use in the state of California.
  • Part Number: 93233
  • Notes: Universal
    HM Grade Converter. Rear. Not for sale or use in the state of California.
  • Part Number: 93252
  • Notes: Universal
    Universal Federal. Rear. Not for sale or use in the state of California.
  • Part Number: 93232
  • Notes: Universal
    HM Grade Converter. Left or right. Not for sale or use in the state of California.
  • Part Number: 54788
  • Notes: Direct fit
    EPA Ultra Converter. Rear. Replacement Requires muffler 55605 To Complete Installation. Additional Parts Needed: 31639. Hybrid model. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16600
  • Notes: Manifold converter
    Exhaust Manifold with Integrated Catalytic Converter EPA Ultra. Right. Additional Parts Needed: 31332. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 52398
  • Notes: Direct fit
    EPA Ultra Converter. Rear. Requires 47815 Resonator to Complete Installation. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16660
  • Notes: Direct fit
    EPA Ultra Converter. Additional Parts Needed: 31639. Only failed Converters may be replaced. To connect Resonator or Converter to OE part cut at appropriate location. Requires PN[47815] muffler. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16364
  • Notes: Direct fit
    EPA Ultra Converter. Requires 47815 Resonator to Complete Installation. Additional Parts Needed: 31585. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16121
  • Notes: Direct fit
    EPA Ultra Converter. Rear. Requires 47793 Resonator to Complete Installation. Additional Parts Needed: 31555. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16634
  • Notes: Manifold converter
    Exhaust Manifold with Integrated Catalytic Converter EPA Ultra. Additional Parts Needed: 31639. Includes Front and Rear Gasket. Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  • Part Number: 16191
  • Notes: Direct fit
    EPA Ultra Converter. Front. Additional Parts Needed: 31332 (2). Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
  •  | Page 1 of 6 |  

A catalytic converter for Toyota Highlander is a critical piece of your exhaust system that has the potential to affect more than your emissions. If exhaust is backed up into the pipe, it prevents your engine from breathing well, and that leads to jerking and stalling. Restore your confidence in your SUV by purchasing a new catalytic converter from AutoZone. We carry Highlander catalytic converters at low prices, and trustworthy advice provided by helpful staff ensures that you get the right part.

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