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Nissan Altima Catalytic Converters

At JC Whitney, we offer the best selection of Nissan Altima Catalytic Converters parts and accessories. We offer an industry leading 30-day Guarantee so that you can shop with confidence! Narrow your selection below by providing the year of your vehicle for a custom list of Nissan Altima Catalytic Converters products.

20 out of 26 products in Exhaust & Emissions
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Priced From: $42.05
Custom Fit
EASTERN - 48-STATE LEGAL SEMI-UNIVERSAL CATALYTIC CONVERTERS (NO CA OR NY)
Fit for Nissan Altima

Eastern's 48-state legal semi-universal catalytic converters offer the widest coverage for domestic vehicles, import cars, SUVs and trucks... Read more

Priced From: $42.05
From $42.05
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Free
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Priced From: $113.25
Custom Fit
EASTERN - 48-STATE LEGAL DIRECT-FIT CATALYTIC CONVERTERS (NO CA OR NY)
Fit for Nissan Altima

Eastern's 48-state legal direct-fit catalytic converters are built to exact OE dimensions with OE-quality flanges and flex assemblies.... Read more

Priced From: $113.25
From $113.25
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Free
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Priced From: $109.00
Custom Fit
EVAN FISCHER CATALYTIC CONVERTER 48-STATE LEGAL (NO CA AND NY)
Fit for Nissan Altima

Evan Fischer offers the most affordable but efficient Catalytic Converter in the market. It is composed of premium quality... Read more

Priced From: $109.00
From $109.00
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Free
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Priced From: $72.07
Custom Fit
MAGNAFLOW 48-STATE LEGAL SEMI-UNIVERSAL CATALYTIC CONVERTERS
Fit for Nissan Altima

Want the best for your car, truck, or SUV?  Then you want Magnaflow!  These 48-State Legal semi-direct fit converters have a... Read more

Priced From: $72.07
From $72.07
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Free
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Priced From: $138.12
Custom Fit
WALKER - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

Walker's OE replacement catalytic converters are designed to bolt on easily and provide enduring performance. Read more

Priced From: $138.12
From $138.12
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Free
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Priced From: $142.91
Custom Fit
DAVICO - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

Each catalytic converter from Davico is a flawless replication of its OEM counterpart, ensuring a perfect fit and performance that meets... Read more

Priced From: $142.91
From $142.91
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Free
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Priced From: $152.78
Custom Fit
PACESETTER PERFORMANCE - CATALYTIC CONVERTERS
Fit for Nissan Altima

Pacesetter's catalytic converters are designed for high performance applications and are fabricated from mandrel-bent stainless with perfect... Read more

Priced From: $152.78
From $152.78
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Free
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Priced From: $82.26
Custom Fit
EASTERN - 50-STATE SEMI-UNIVERSAL CATALYTIC CONVERTERS
Fit for Nissan Altima

Eastern’s 50-state semi-universal catalytic converters improve flow and deliver enhanced emissions control. Read more

Priced From: $82.26
From $82.26
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Free
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Priced From: $153.83
Custom Fit
BOSAL - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

With their innovative construction, Bosal's OE replacement catalytic converters are built to last a lifetime. Read more

Priced From: $153.83
From $153.83
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Free
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Priced From: $201.73
Custom Fit
EASTERN - 50-STATE LEGAL DIRECT-FIT CATALYTIC CONVERTERS
Fit for Nissan Altima

Eastern’s 50-state legal direct-fit catalytic converters optimize flow and restore your emissions control system to full working... Read more

Priced From: $201.73
From $201.73
Rating
Free
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Priced From: $199.26
Custom Fit
MAGNAFLOW 48-STATE LEGAL DIRECT FIT CATALYTIC CONVERTERS
Fit for Nissan Altima

Want the best for your car, truck, or SUV?  Then you want Magnaflow!  These 48-State Legal direct-fit catalytic converters are... Read more

Priced From: $199.26
From $199.26
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Free
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Priced From: $29.92
CATACLEAN - EXHAUST & FUEL SYSTEM CLEANERS BY MR. GASTKET

Get rid of that rough idle, hard start or overall engine hesitation, with CATACLEAN exhaust and fuel system cleaner and get rid of carbon... Read more

Priced From: $29.92
From $29.92
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Free
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Priced From: $290.26
Custom Fit
DORMAN - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

Dorman’s OE replacement catalytic converters restore safe and efficient emission control. Read more

Priced From: $290.26
From $290.26
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Free
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Priced From: $199.22
FLOWMASTER - DIRECT FIT 48-STATE LEGAL CATALYTIC CONVERTERS

Get more horses without feeling guilty putting your foot in it with a Flowmaster Direct Fit 48-state legal catalytic converter, made specifically... Read more

Priced From: $199.22
From $199.22
Rating
Free
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Priced From: $147.25
Custom Fit
MAGNAFLOW OEM GRADE (48-STATE LEGAL) DIRECT FIT CATALYTIC CONVERTERS
Fit for Nissan Altima

Want the best for your car, truck, or SUV?  Then you want Magnaflow!  These 48-State Legal direct-fit catalytic converters are... Read more

Priced From: $147.25
From $147.25
Rating
Free
Shipping
Priced From: $106.06
Custom Fit
WALKER - OE REPLACEMENT CATALYTIC CONVERTERS (50-STATE LEGAL)
Fit for Nissan Altima

Walker's OE replacement catalytic converters are sturdily constructed and CARB-compliant for optimum emission management. Read more

Priced From: $106.06
From $106.06
Rating
Free
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Priced From: $121.27
Custom Fit
MAGNAFLOW CALIFORNIA LEGAL SEMI-UNIVERSAL CATALYTIC CONVERTERS
Fit for Nissan Altima

Want the best for your car, truck, or SUV?  Then you want Magnaflow!  These 50-State Legal semi-direct fit converters have a... Read more

Priced From: $121.27
From $121.27
Rating
Free
Shipping
Priced From: $172.04
Custom Fit
BENCHMARK - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

Benchmark's OE replacement catalytic converters give you the high-flow performance you need at a reasonable price. Read more

Priced From: $172.04
From $172.04
Rating
Free
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Priced From: $162.87
Custom Fit
CATCO - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)
Fit for Nissan Altima

The maximum-strength construction and innovative design of CATCO's OE replacement catalytic converters deliver smooth, enhanced performance... Read more

Priced From: $162.87
From $162.87
Rating
Free
Shipping
Priced From: $122.43
Custom Fit
MAGNAFLOW OEM GRADE (48-STATE LEGAL) SEMI-UNIVERSAL CATALYTIC CONVERTERS
Fit for Nissan Altima

Want the best for your car, truck, or SUV?  Then you want Magnaflow!  These 48-State Legal semi-direct fit converters have a... Read more

Priced From: $122.43
From $122.43
Rating
Free
Shipping
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