Replacement Parts

Tell Us More About Your Kia Optima. View all models

AutoZone carries hundreds of thousands of parts and accessories.

Select your Year, Make, Model and Engine to find those that fit your vehicle.

With its distinctive styling, refined interior and capable engine, your Kia Optima offers outstanding value, but all that quality's at risk when your car's catalytic converter goes south. Install a new, reliable Kia Optima catalytic converter from AutoZone for cleaner exhaust and smoother performance.

Show of 53  Results
View:
  •  | Page 1 of 5 |  
  • Part Number: 93302
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Rear. 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. Modifications and/or additional parts required.
  • Part Number: 16667
  • Notes: Ultra Manifold
    EPA Ultra Manifold Converter. Exhaust Manifold with Integrated Catalytic Converter. Left. Radiator Side. 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: 93251
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Center or front. Modifications and/or additional parts required. 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: 16380
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Additional Parts Needed: 31337, 31537. 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: 16395
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Front. Additional Parts Needed: 31599. 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: 93236
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Rear. Modifications and/or additional parts required. 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: 93252
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Modifications and/or additional parts required. 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: 16513
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Additional Parts Needed: 31337, 31534. 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: 16206
  • Notes: Ultra Manifold
    EPA Ultra Manifold Converter. Exhaust Manifold with Integrated Catalytic Converter. Front. Additional Parts Needed: 31309. 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: 50479
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Rear. 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: 16483
  • Notes: Ultra Manifold
    EPA Ultra Manifold Converter. Exhaust Manifold with Integrated Catalytic Converter. Additional Parts Needed: 31640. 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: 55312
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Rear. Additional Parts Needed: 31599, 31534. 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 5 |  

Make sure your car runs as efficiently as possible by choosing one of our high-quality Optima catalytic converters. A properly functioning catalytic converter is key to reducing harmful emissions and passing a tailpipe check. With our catalytic converter for Kia Optima, not only do you minimize pollution, but you also get optimal fuel economy and a break from engine stalls caused by a defective converter. Visit your neighborhood AutoZone and experience the difference of outstanding service, expert advice and great prices. Don't forget to take advantage of free battery charging and engine diagnostic testing when you come in.

Other Customers Also Viewed

BUY WITH CONFIDENCE

ABOUT CORE PARTS

Buy online and return core parts to the store to be refunded the price.
Core Parts Policy

Core return policy

FREE SHIPPING

On Orders $75 or Greater
and free shipping to APO, FPO, DPO addresses.
Get More Details

Free shipping policy

RETURN ANYWHERE

Buy Online, Return
Anywhere
Get More Details

${returnanywherealttext}

SAME-DAY STORE PICKUP

Save time by buying online and picking up items in store.
Learn More

Same day store pickup
Payment Methods:
 
label.common.footer.alt.autozoneLogo