Availability
2003 NISSAN MAXIMA Catalytic Converters
Showing In Stock Items. Show All 33 Items.
Catalytic Converter, Heavy Metal, Stainless Steel, Each
Part Number: MPE-99206HM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51206
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: CTO-4368
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Stainless Steel, Infiniti, Nissan, 3.5L, Front, Each
Part Number: MPE-444311
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 10.50 in. Overall Length, for Infiniti, for Nissan, Each
Part Number: APH-641182
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 12.50 in. Overall Length, Rear, for Infiniti, for Nissan, Each
Part Number: APH-642764
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 8.25 in. Overall Length, for Infiniti, for Nissan, Each
Part Number: APH-641183
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: CTO-1079
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Infiniti, Nissan, Each
Part Number: WLK-82584
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Catalytic Converter, Stainless Steel, Infiniti, Nissan, 3.5L, Rear, Each
Part Number: MPE-51108
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME
Part Number: RNB-679-512
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Catalytic Converter, Stainless Steel, Infiniti, 3.5L, Front, Each
Part Number: MPE-49366
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Catalytic Converter, Pre-Converter - Not Carb Compliant - Not For Legal Sale In NY - CA - ME
Part Number: RNB-679-511
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Catalytic Converter, California 40000, Stainless Steel, 2.25 in. Inlet/Outlet, 13 in. Length, Each
Part Number: MPE-441305
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converter, Stainless Steel, Infiniti, Nissan, 3.5L, Rear, Each
Part Number: MPE-441041
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: CTO-1078
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-16209
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, Infiniti, 3.5L, Each
Part Number: WLK-16210
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catco Direct-Fit Catalytic Converters for 2002-2004 I35, MAXIMA - 4368
Not Yet Reviewed
Estimated Ship Date: Today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-16362
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Catalytic Converter, Stainless Steel, Infiniti, Nissan, 3.5L, Rear, Each
Part Number: MPE-49365
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
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