Menu
Search
Advertising Disclosure

10 Best catalytic converter cleaners of 2025

Save up to 20% off
  • Best Choice

    1

    Catalytic Converter Cleaner new technology effective cleaning solution kit
    Clicked 322 times in the last month
    MotorPower Care, catalyst converter cleaning kit

    Catalytic Converter Cleaner new technology effective cleaning solution kit

    9.6
    Exceptional
    Our Rating
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
    Careful review Our team ensures quality, value, and fit based on real user feedback
    Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
    Real users impact
    • Thousands of users trust our site daily
    • Based on millions of stores and reviews
    • Shoppers influence our rankings
  • Value for Money

    2

    Cataclean (120007-2PK) Fuel and Exhaust System Cleaner - 16 fl. oz., (Pack of 2)
    Cataclean

    Cataclean (120007-2PK) Fuel and Exhaust System Cleaner - 16 fl. oz., (Pack of 2)

    9.5
    Excellent
    Our Rating

  • 3

    Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 16oz (120007)
    Cataclean

    Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 16oz (120007)

    13% Off
    9.4
    Excellent
    Our Rating

  • 4

    Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
    Liqui Moly

    Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

    20% Off
    9.2
    Excellent

  • 5

    Catalytic Converter Cleaner for Gas & Diesel Cars – Engine & Exhaust Carbon Removal, Fuel System Treatment Additive Oi (120ML,3PCS)
    Generic

    Catalytic Converter Cleaner for Gas & Diesel Cars – Engine & Exhaust Carbon Removal, Fuel System Treatment Additive Oi (120ML,3PCS)

    9.1
    Excellent
  • See Today’s Deals & Prices

  • 6

    2 Pcs Catalytic Converter Cleaner Auto Parts Engine, Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil Additive for Gas and Diesel Car
    Generic

    2 Pcs Catalytic Converter Cleaner Auto Parts Engine, Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil Additive for Gas and Diesel Car

    14% Off
    8.9
    Very Good

  • 7

    2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner
    MotorPower Care

    2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner

    • Application Method:No disassembly, easy use
    • Performance Improvement:Fix P0420 & P0430
    • Cleaner Function:Clean catalytic converter
    • Fuel Economy:N/A
    • Compatibility:N/A
    8.8
    Very Good

  • 8

    DURA LUBE 2 Pack Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. Oz, 2-Pack Combo Pack
    DURA LUBE

    DURA LUBE 2 Pack Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. Oz, 2-Pack Combo Pack

    • installation:Add to vehicle anytime
    • oem part number:HL-40240-02
    • vehicle fit:Universal fit
    • material:N/A
    • design:N/A
    8.7
    Very Good

  • 9

    stray poet 3Pcs Catalytic Converter Cleaner,Catalytic Converter Cleaner Kit,Auto Parts Engine,Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil,Fuel System Treatment Oil Additive
    stray poet

    stray poet 3Pcs Catalytic Converter Cleaner,Catalytic Converter Cleaner Kit,Auto Parts Engine,Exhaust System Pipe Carbon Removal Cleaner Treatment Additive Oil,Fuel System Treatment Oil Additive

    8.5
    Good

  • 10

    Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas
    Rislone

    Rislone 4720 Cat Complete Fuel, Exhaust and Emissions System Cleaner,16.9 oz. | Cleans Catalytic Converter, Reduces Emissions & Saves Gas

    • Application Method:Use every 5,000 miles
    • Performance Improvement:Increase power, performance, mileage
    • Cleaner Function:Cleans emissions and exhaust
    • Fuel Economy:Saves gas
    • Compatibility:Gasoline, ethanol, hybrid vehicles
    8.4
    Good
    Our Rating