Nissan Altima Catalytic Converters

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

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  1. MagnaFlow Exhaust Manifold w/ OEM Grade Catalytic Converter
  2. MagnaFlow 2.50
  3. MagnaFlow 3
  4. MagnaFlow Universal Standard Grade Federal Catalytic Converter
  5. MagnaFlow Pre-OBDII Catalytic Converters (California)
  6. MagnaFlow Universal HM Grade Federal Catalytic Converter
  7. MagnaFlow 2-2.5
  8. MagnaFlow Exhaust Manifold w/ California Catalytic Converter
  9. MagnaFlow 2.25
  10. MagnaFlow Universal OEM Grade Federal Catalytic Converter
  11. MagnaFlow Direct-Fit California OBDII Catalytic Converters
  12. MagnaFlow Exhaust Manifold w/ HM Grade Catalytic Converter
  13. MagnaFlow OEM Grade Catalytic Converters
  14. MagnaFlow Standard Grade Catalytic Converters
  15. MagnaFlow 2.25 Universal California OBDII Catalytic Converter
  16. MagnaFlow Direct-Fit HM Grade Federal Catalytic Converters
  17. MagnaFlow 2 Universal California OBDII Catalytic Converter
  18. MagnaFlow 2
  19. MagnaFlow 2.50
  20. MagnaFlow Direct-Fit Catalytic Converter
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20 Items

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Whether your Altima failed emissions or the check engine light came on, and diagnostics gave you the bad news, you know it's time to replace the catalytic converter. It's not what you wanted to hear. You know replacing your Nissan Altima catalytic converter won't be cheap even if you do it yourself. But, there's good news. Here at PartCatalog, you'll find the guaranteed lowest price Nissan Altima catalytic converter anywhere so you won't pay any more than you have to.

Catalytic converters contain precious metals which is why they're more expensive than many other replacement parts. We chose catalytic converters for our customers from the most widely respected manufacturers in the field specifically for their quality and incredible value. Enter your model year in our vehicle fitment search tool to find the catalytic converter guaranteed to fit your Nissan Altima and breathe a sigh of relief with our lowest price guarantee. Each order arrives with all the components you need for an easy DIY install.