2000 Nissan Altima Catalytic Converters

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Keep Your 2000 Nissan Altima in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2000 Nissan Altima looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters and Catalytic Converter Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Catalytic Converters from Trusted Brands

Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like Walker. For example, Walker Catalytic Converters start at just $6.19 with an average 4.2 star rating. With over 204 reviews and a solid 4.0 star average, you can shop with confidence knowing other Nissan Altima owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2000 Nissan Altima Catalytic Converter at Advance Auto Parts is around $484.00, with a range that starts at $6.19 and goes up to $988.99. With 19 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99005HM, MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206, and MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM start at just $196.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Manifold and Headers and Exhaust Mufflers. At Advance Auto Parts, we’re here to help you keep your 2000 Nissan Altima in peak condition, inside and out.

Essential 2000 Nissan Altima Catalytic Converters

Dorman – Dorman Pre-Converter – CARB Compliant, 678-507 (Part No.678-507)

Dorman Pre-Converter - CARB Compliant, 678-507

from

$1404.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84206" (Part No.84206)

"Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84206"

from

$308.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Walker – "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253" (Part No.93253)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253"

from

$365.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
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Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-933 (Part No.674-933)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-933

from

$726.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5411322 (Part No.5411322)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5411322

from

$857.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5411322. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2006 Nissan Altima 3.5L & 2004 Nissan Maxima 3.5L. MagnaFlow 5411322 includes (1) Flange Gasket, (1) Crush Ring Gasket and interchanges with OE parts 208A2-7Y100, 208A2-7Y10A, 208A2-7Y600, 208A2-7Y60A, 208A2-8J112, 208A2-8J120, 208A2-8J12A. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52163 (Part No.52163)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52163

from

$1126.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52163. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2007-2018 Nissan Altima 3.5L & 2013 Nissan Pathfinder 3.5L. MagnaFlow 52163 includes (5) Bolts, (3) Split Lock Washers and interchanges with OE parts 208A2-3JG0A, 208A2-JA10A, 208A2-ZN60A. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
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Dorman – Dorman Pre-Converter – CARB Compliant, 673-488 (Part No.673-488)

Dorman Pre-Converter - CARB Compliant, 673-488

from

$1530.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
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Walker – Walker CalCat CARB Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 83390 (Part No.83390)

Walker CalCat CARB Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 83390

from

$1154.00
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat manifold catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Engineered for a precise OE style fit, they feature an optimal high technology washcoat formulated for superior performance.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23705 (Part No.23705)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23705

from

$271.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23705. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 23705 includes (2) Flange Gaskets and interchanges with OE parts 20300-70F00, 20800-56G27, 20800-56G28, 20800-5M700, 20800-5M725, 20800-88Y25, 20800-88Y26, 20800-9E700, 20800-9E725. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441005 (Part No.441005)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441005

from

$548.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441005. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 80256" (Part No.80256)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 80256"

from

$481.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 50833 (Part No.50833)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 50833

from

$499.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50833. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 50833 includes (1) Flange Gasket, (1) Crush Ring Gasket and interchanges with OE parts 208A2-7Y100, 208A2-7Y10A, 208A2-7Y600, 208A2-7Y60A, 208A2-8J112, 208A2-8J120, 208A2-8J12A. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49296 (Part No.49296)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49296

from

$618.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49296. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49296 includes (1) Crush Ring Gasket and interchanges with OE parts 208A1-7Y100, 208A1-8Y000, 208A1-ZF90A, 208A1-ZM50A. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
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Walker – Walker Exhaust Pipe Flange Gasket, 31377 (Part No.31377)

Walker Exhaust Pipe Flange Gasket, 31377

from

$9.89
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31355 (Part No.31355)

Walker Exhaust Pipe Flange Gasket, 31355

from

$6.59
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31374 (Part No.31374)

Walker Exhaust Pipe Flange Gasket, 31374

from

$6.19
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31354 (Part No.31354)

Walker Exhaust Pipe Flange Gasket, 31354

from

$6.99
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31397 (Part No.31397)

Walker Exhaust Pipe Flange Gasket, 31397

from

$5.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Most Popular Catalytic Converters for 2000 Nissan Altimas

Enhance your 2000 Nissan Altima with one of the 18 Catalytic Converters we have in stock, starting at just $196.99.

Walker – Walker Standard EPA Direct Fit Catalytic Converter Overall Length 12.500 IN, 15538 (Part No.15538)

Walker Standard EPA Direct Fit Catalytic Converter Overall Length 12.500 IN, 15538

from

$316.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker Standard direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles. Count on Walker Standard converters for industry-leading fit and performance.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99005HM (Part No.99005HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99005HM

from

$242.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99005HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 (Part No.51206)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM (Part No.99206HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16133 (Part No.16133)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16133

from

$629.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 81652" (Part No.81652)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 81652"

from

$423.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Dorman – Dorman Pre-Converter – CARB Compliant, 678-505 (Part No.678-505)

Dorman Pre-Converter - CARB Compliant, 678-505

from

$988.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 441062 (Part No.441062)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 441062

from

$981.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 441062. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1998-2001 Nissan Altima 2.4L. MagnaFlow 441062 includes (2) Flange Gaskets and interchanges with OE parts 20300-70F00, 20800-56G27, 20800-56G28, 20800-5M700, 20800-5M725, 20800-88Y25, 20800-88Y26, 20800-9E700, 20800-9E725. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 441705 (Part No.441705)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 441705

from

$865.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 441705. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1996-2001 Nissan Altima 2.4L. MagnaFlow 441705 includes (2) Flange Gaskets and interchanges with OE parts 20300-70F00, 20800-56G27, 20800-56G28, 20800-5M700, 20800-5M725, 20800-88Y25, 20800-88Y26, 20800-9E700, 20800-9E725. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49360 (Part No.49360)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49360

from

$808.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49360. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1996-2001 Nissan Altima 2.4L. MagnaFlow 49360 includes (3) Nuts, (3) Bolts, (1) Crush Ring Gasket and interchanges with OE parts 208A0-0Z825, 208A0-9E100, B0800-5E500. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
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Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.12"" Outlet (OD), 82574" (Part No.82574)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.12"" Outlet (OD), 82574"

from

$704.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 452871 (Part No.452871)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 452871

from

$675.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452871. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1998-2001 Nissan Altima 2.4L. MagnaFlow 452871 includes (3) Nuts, (3) Bolts, (1) Crush Ring Gasket and interchanges with OE parts 208A0-0Z825, 208A0-9E100, B0800-5E500. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441305 (Part No.441305)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441305

from

$548.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441305. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444005 (Part No.444005)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444005

from

$404.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444005. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 457105 (Part No.457105)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 457105

from

$363.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 457105. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51237 (Part No.51237)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51237

from

$294.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51237. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1995-1998 Nissan 240SX 2.4L & 1998-2001 Nissan Altima 2.4L. MagnaFlow 51237 includes (2) Flange Gaskets and interchanges with OE parts 20300-70F00, 20800-56G27, 20800-56G28, 20800-5M700, 20800-5M725, 20800-88Y25, 20800-88Y26, 20800-9E700, 20800-9E725. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23705 (Part No.23705)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23705

from

$271.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23705. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 23705 includes (2) Flange Gaskets and interchanges with OE parts 20300-70F00, 20800-56G27, 20800-56G28, 20800-5M700, 20800-5M725, 20800-88Y25, 20800-88Y26, 20800-9E700, 20800-9E725. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51005 (Part No.51005)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51005

from

$252.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51005. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Best-Selling 2000 Nissan Altima Catalytic Converter Gasket

Upgrade your Altima with our best-selling Catalytic Converter Gasket with a 4 Starts rating across 44 reviews.

Walker – Walker Exhaust Pipe Flange Gasket, 31374 (Part No.31374)

Walker Exhaust Pipe Flange Gasket, 31374

from

$6.19
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Top-Rated Catalytic Converter Brands For Your 2000 Nissan Altima

When it comes to finding the perfect Catalytic Converter for your 2000 Nissan Altima, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Catalytic Converter brands including Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $6.19. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2000 Nissan Altima, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2000 Nissan Altima Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2000 Nissan Altima, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 2 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.19 and an average cost of $161.59, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2000 Nissan Altima come highly rated, with over 46 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Walker Standard EPA Direct Fit Catalytic Converter Overall Length 12.500 IN, 15538
from $316.99
(2)
Walker Standard EPA Direct Fit Catalytic Converter Overall Length 12.500 IN, 15538
“This is a good quality catalytic used on a Nissan sentra 1994 after fail inspection 2 times for a hight (hc) after instalation took it to inspection a”
Walker Exhaust Pipe Flange Gasket, 31374
from $6.19
(44)
Walker Exhaust Pipe Flange Gasket, 31374
“Crush gasket fit”

FAQs for 2000 Nissan Altima Catalytic Converters

What are the best-selling Catalytic Converters for 2000 Nissan Altimas?

Out of 19 Catalytic Converters that fit 2000 Nissan Altimas, the following parts are the top sellers:

What’s the price range for 2000 Nissan Altima Catalytic Converters?

The prices of Catalytic Converters for the 2000 Nissan Altima range from $6.19 up to $988.99 for the most premium parts.

What is the average price of a Catalytic Converter for a 2000 Nissan Altima?

The average price for Catalytic Converters for the 2000 Nissan Altima is $484.00. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Nissan Altima model years?

Yes, we carry Catalytic Converters for 27 model years of Nissan Altimas between 1993 and 2021. The following model years are the most popular for Catalytic Converter purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Catalytic Converters for my 2000 Nissan Altima?

Does Advance Auto Parts sell Catalytic Converters for any other 2000 Nissan models?

Yes. We stock Catalytic Converters for 5 other popular 2000 Nissan models. Some of the most popular are 2000 Sentra Catalytic Converters, 2000 Maxima Catalytic Converters, 2000 Pathfinder Catalytic Converters, 2000 Quest Catalytic Converters, and 2000 Frontier Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2000 Nissan Altima?

Based on 204 reviews by customers, our 2000 Nissan Altima Catalytic Converters have an average customer rating of 4.0 stars. These are the highest-rated categories of Catalytic Converters for the 2000 Nissan Altima and their top-rated products:

What types of Catalytic Converters do you sell for my 2000 Nissan Altima?

As of 8/2/26, these are some of the most in-demand types of Catalytic Converters for a 2000 Nissan Altima:

Can I get help with 2000 Nissan Altima Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Nissan Catalytic Converters and more.

What is your return policy for Nissan Altima Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Nissan Altima Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.