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2001 Toyota Corolla P0420 Fault at 125k Miles - Best Catalytic Converter Brands & Fitment Guide

Model: 2001 Corolla Fault Code: P0420 Posted: 2012-07-08 21:11

I'm planning to replace the catalytic converter on my 2001 Toyota Corolla with 125,000 miles and am looking for member experiences with popular brands. Specifically, I'm considering: - MagnaFlow Universal - Part Number 46004, priced at $171.58 on Amazon - Walker - Part Number 81701, priced at $178.99 at AutoZone - CATCO - Part Number 612004, priced at $97.00 on eBay I would like to confirm whether all three options have the correct inlet and outlet diameters (both 2 inches) for proper fitment in my 2001 Corolla. Any real-world feedback or recommendations on which brand offers better performance, reliability, and compatibility with this model would be greatly appreciated.

Related fault codes
P0420
Comments (1)
Anonymous 2012-07-09 04:54

I've tested several converters for the 2001 Toyota Corolla and am skeptical about all three brands fitting correctly. The Walker brand does offer a direct fit option, which is more reliable in this model year—worth considering if you're looking for a proven solution.