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Search our online catalytic converter catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Nissan Altima Catalytic Converter parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day. They are available for the following Nissan Altima years: 03, 02, 01, 00, 99, 98, 96, 95, 94, 93, 2003, 2002, 2001, 2000, 1999, 1998, 1996, 1995, 1994, 1993. This part is also sometimes called Nissan Altima Exhaust Converters. We stock catalytic converter parts for most Nissan models including Maxima, Sentra, Pickup, Quest, Pathfinder, 240SX, 200SX, 300ZX, D21, 720, 280ZX, Stanza, Pulsar NX, NX, Axxess and Van.

We stock these Catalytic Converter brands for the Nissan Altima: Bosal and DEC.

Image is not vehicle specific 00 2000 Nissan Altima Catalytic Converter Upper Bosal Not Legal in California Retail Price: $592.64 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: 08/01/1999-, At exhaust manifold outlet. Although the OE converter is 50-state compliant, the Bosal replacement converter is still awaiting a C.A.R.B exemption order, so it is not recommended for use at this time on vehicles designed for California emission standards. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Position: Upper Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  2000 Nissan Altima Fr:08-01-99

Image is not vehicle specific 99 1999 Nissan Altima Catalytic Converter Upper Bosal Not Legal in California Retail Price: $847.15 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: -07/31/1999, At exhaust manifold outlet for California model. Although the OE converter is 50-state compliant, the Bosal replacement converter is still awaiting a C.A.R.B exemption order, so it is not recommended for use at this time on vehicles designed for California emission standards. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Position: Upper Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  1999 Nissan Altima To:07-31-99

Click to Enlarge 95 1995 Nissan Altima GLE Catalytic Converter Rear Bosal Not Legal in California Retail Price: $963.37 Your Price: $118.75 Quantity: Part Number: W0133-1605646 Notes: Production: -06/1994, New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Position: Rear Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Production Range •  1995 Nissan Altima GLE  To:06-00-94

Click to Enlarge 93 1993 Nissan Altima Base Catalytic Converter Bosal Not Legal in California Retail Price: $963.37 Your Price: $118.75 Quantity: Part Number: W0133-1605646 Notes: Production: 06/1992-, New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Production Range •  1993 Nissan Altima Base  Fr:06-00-92

Click to Enlarge 98 1998 Nissan Altima Catalytic Converter Lower Bosal Not Legal in California Retail Price: $125.15 Your Price: $112.75 Quantity: Part Number: W0133-1605167 Notes: Production: 06/01/1997-, , 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Position: Lower Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  1998 Nissan Altima Fr:06-01-97

Image is not vehicle specific 03 2003 Nissan Altima Catalytic Converter 2.5L 4 Cyl DEC Not Legal in California Retail Price: $519.97 Your Price: $334.75 Quantity: Part Number: W0133-1846325 Notes: Production: -08/31/2003, Inc. exhaust manifold. 49-state legal, OBDII compatible, not legal for sale or use in California. Use Bosal gasket 256-1086 instead of OE gasket 20695-8J010 when installing the 099-1400 Bosal converter. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range Engine •  2003 Nissan Altima To:08-31-03  2.5L 4 Cyl

Image is not vehicle specific 02 2002 Nissan Altima Catalytic Converter 2.5L 4 Cyl DEC Not Legal in California Retail Price: $519.97 Your Price: $334.75 Quantity: Part Number: W0133-1846325 Notes: Production: 10/01/2001-, Inc. exhaust manifold. 49-state legal, OBDII compatible, not legal for sale or use in California. Use Bosal gasket 256-1086 instead of OE gasket 20695-8J010 when installing the 099-1400 Bosal converter. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range Engine •  2002 Nissan Altima Fr:10-01-01  2.5L 4 Cyl

Image is not vehicle specific 01 2001 Nissan Altima Catalytic Converter Upper Bosal Not Legal in California Retail Price: $592.64 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: -07/31/2001, At exhaust manifold outlet. Although the OE converter is 50-state compliant, the Bosal replacement converter is still awaiting a C.A.R.B exemption order, so it is not recommended for use at this time on vehicles designed for California emission standards. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Position: Upper Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  2001 Nissan Altima To:07-31-01

Image is not vehicle specific 00 2000 Nissan Altima Catalytic Converter Bosal Not Legal in California Retail Price: $592.64 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: 08/01/1999-, At exhaust manifold outlet for non-California model. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  2000 Nissan Altima Fr:08-01-99

Image is not vehicle specific 99 1999 Nissan Altima Catalytic Converter Bosal Not Legal in California Retail Price: $847.15 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: -07/31/1999, At exhaust manifold outlet for non-California model. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  1999 Nissan Altima To:07-31-99

Image is not vehicle specific 98 1998 Nissan Altima Catalytic Converter Upper Bosal Not Legal in California Retail Price: $847.15 Your Price: $185.75 Quantity: Part Number: W0133-1815131 Notes: Production: 06/01/1997-, At exhaust manifold outlet for California model. Although the OE converter is 50-state compliant, the Bosal replacement converter is still awaiting a C.A.R.B exemption order, so it is not recommended for use at this time on vehicles designed for California emission standards. Detailed Notes: 49-state legal, OBDII compatible, not legal for sale or use in California. Product Remark: Not Legal in California Position: Upper Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  1998 Nissan Altima Fr:06-01-97

Click to Enlarge 96 1996 Nissan Altima Catalytic Converter Rear Bosal Not Legal in California Retail Price: $963.37 Your Price: $127.75 Quantity: Part Number: W0133-1602963 Notes: Production: -01/1996, 49-state legal, OBDII compatible, not legal for sale or use in California. Detailed Notes: New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Position: Rear Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Production Range •  1996 Nissan Altima To:01-00-96

Click to Enlarge 95 1995 Nissan Altima XE Catalytic Converter Bosal Not Legal in California Retail Price: $963.37 Your Price: $118.75 Quantity: Part Number: W0133-1605646 Notes: Production: -06/1994, New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Production Range Transmission •  1995 Nissan Altima XE  To:06-00-94  Automatic

Click to Enlarge 94 1994 Nissan Altima GLE Catalytic Converter Rear Bosal Not Legal in California Retail Price: $963.37 Your Price: $118.75 Quantity: Part Number: W0133-1605646 Notes: Production: 08/1993-06/1994, New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Position: Rear Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Production Range •  1994 Nissan Altima GLE  Fr:08-00-93 To:06-00-94

Click to Enlarge 93 1993 Nissan Altima GLE Catalytic Converter Bosal Not Legal in California Retail Price: $963.37 Your Price: $118.75 Quantity: Part Number: W0133-1605646 Notes: Production: 06/1992-07/1993, New CARB regulations that went into effect on January 1, 2009 now require all exhaust catalyst devices that are sold in California regardless of model year must meet the tougher OBD II emission standards that were introduced in the 1996 model year. Until further notice, this catalytic converter should not be used on vehicles registered in California. Product Remark: Not Legal in California Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Production Range •  1993 Nissan Altima GLE  Fr:06-00-92 To:07-00-93