Replacement Parts

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Known for its heavy and stout body-on-frame construction, the Mercury Grand Marquis offers a roomy cabin. It is a full-size sedan that's affordable and reliable. Save even more by getting a new catalytic converter for Mercury Grand Marquis that improves fuel economy.

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  • Part Number: 15031
  • Notes: Universal
    EPA Standard Universal Converter. Left or right. Replaces Both Front & Rear OE Converters. With Air Tube. May Require 35574 For Installation. Replaces multiple OE Converters. Only failed Converters may be replaced. See Catalytic Converter Installation Guide. Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.
  • Part Number: 15036
  • Notes: Universal
    EPA Standard Universal Converter. Rear left or rear right. Modifications and/or additional parts required. Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.
  • Part Number: 15779
  • Notes: Direct fit
    EPA Standard Direct Fit Converter. Right. Replaces Both Front & Rear OE Converters. Replaces multiple OE Converters. Only failed Converters may be replaced. See Catalytic Converter Installation Guide. 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: 15704
  • Notes: Direct fit
    EPA Standard Direct Fit Converter. Left. Replaces Both Front & Rear OE Converters. With Air Tube. May Require 35574 For Installation. Replaces multiple OE Converters. Only failed Converters may be replaced. See Catalytic Converter Installation Guide. Includes Gasket. Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.
  • Part Number: 54346
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Left. Replaces both front and rear OE converters; Except Flex Fuel; Federal and California Emission models. Additional Parts Needed: 31336. 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: 93246
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Front left or front right. 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: 93237
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Rear Left or Rear Right. 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: 15694
  • Notes: Direct fit
    EPA Standard Direct Fit Converter. Right. Replaces Both Front & Rear OE Converters. With Air Tube. May Require 35574 For Installation. Replaces multiple OE Converters. Only failed Converters may be replaced. See Catalytic Converter Installation Guide. Includes Gasket. Not legal for sale in the state of California. Legal for use on all vehicles licensed in New York.
  • Part Number: 93271
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Front Left or Front Right. 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: 54345
  • Notes: Ultra direct fit
    EPA Ultra Direct Fit Converter. Right. Replaces both front and rear OE converters; Except Flex Fuel; Federal and California Emission models. Additional Parts Needed: 31336. 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: 15037
  • Notes: Universal
    EPA Standard Universal Converter. Rear Left or Rear Right. 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: 93236
  • Notes: Ultra universal
    EPA Ultra Universal Converter. Rear left or rear right. 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.
  •  | Page 1 of 5 |  

Properly functioning Grand Marquis catalytic converters are an investment that saves you money in the long run. They are vehicle emission control devices that convert toxic exhaust gases into less toxic chemicals through a redox reaction. When you get a high-performance Mercury Grand Marquis catalytic converter from AutoZone, you ensure your engine "breathes" and gets the most out of the fuel it gets. Visit today to get the right products at the right prices. In addition, sign up for free battery charging and engine diagnostic testing.

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