2004 Nissan Maxima Catalytic Converters

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Keep Your 2004 Nissan Maxima 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 2004 Nissan Maxima looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters. 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 and MagnaFlow. For example, Walker Catalytic Converters start at just $469.99 with an average 4.2 star rating. MagnaFlow offer similar pricing and quality, backed by strong customer feedback. With over 10 reviews and a solid 4.8 star average, you can shop with confidence knowing other Nissan Maxima owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Nissan Maxima Catalytic Converter at Advance Auto Parts is around $674.35, with a range that starts at $196.99 and goes up to $1,508.00. With 28 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93203", MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206, and Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54781 start at just $213.99 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 2004 Nissan Maxima in peak condition, inside and out.

Essential 2004 Nissan Maxima Catalytic Converters

Walker – "Walker Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93236" (Part No.93236)

"Walker Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93236"

from

$246.99
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 Pre-Converter – CARB Compliant, 678-504 (Part No.678-504)

Dorman Pre-Converter - CARB Compliant, 678-504

from

$1375.00
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.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93203" (Part No.93203)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93203"

from

$233.99
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.
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 Direct-Fit Catalytic Converter, 452231 (Part No.452231)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 452231

from

$665.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452231. 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 2000-2001 Nissan Maxima 3.0L & 2000-2001 INFINITI I30 3.0L. MagnaFlow 452231 includes (2) Bolts, (1) Flange Gasket, (1) Crush Ring Gasket and interchanges with OE parts 14012-55U00, B08A0-3Y101, B08A0-3Y102, B08A0-4L700. 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, 52234 (Part No.52234)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52234

from

$657.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52234. 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 2009-2021 Nissan Maxima 3.5L. MagnaFlow 52234 includes (2) Bolts, (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-9DC0A, 20020-9N60A, 20020-ZX80A. 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 Ultra EPA Direct Fit Catalytic Converter Overall Length 11.500 IN, 16192 (Part No.16192)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 11.500 IN, 16192

from

$675.99
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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.375 IN, 16221 (Part No.16221)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.375 IN, 16221

from

$925.99
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51108 (Part No.51108)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51108

from

$409.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51108. 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 2002-2003 Nissan Maxima 3.5L & 2002-2004 INFINITI I35 3.5L. MagnaFlow 51108 includes (2) Flange Gaskets and interchanges with OE parts 20800-5Y525. 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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49366 (Part No.49366)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49366

from

$1354.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49366. 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 2002-2003 Nissan Maxima 3.5L & 2002-2004 INFINITI I35 3.5L. MagnaFlow 49366 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets, (2) Split Lock Washers and interchanges with OE parts B08A1-5Y700. 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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507 (Part No.679-507)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507

from

$601.99
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

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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421710 (Part No.5421710)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421710

from

$1116.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5421710. 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 5421710 includes (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-7Y000, 20020-8Y000, 20020-CK000, 20020-CK600, 20020-ZB720, 20020-ZH90A. 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, 551128 (Part No.551128)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 551128

from

$1144.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551128. 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 2007-2014 Nissan Altima 3.5L & 2009-2014 Nissan Maxima 3.5L. MagnaFlow 551128 includes (5) Nuts, (2) Bolts and interchanges with OE parts 208A3-9N70A, 208A3-JA21A, 208A3-ZN80A. 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

Dorman – Dorman Pre-Converter – CARB Compliant, 673-487 (Part No.673-487)

Dorman Pre-Converter - CARB Compliant, 673-487

from

$1508.00
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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444104 (Part No.444104)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444104

from

$356.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444104. 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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-521 (Part No.679-521)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-521

from

$677.99
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 Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51236 (Part No.51236)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51236

from

$214.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51236. 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, 99204HM (Part No.99204HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99204HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99204HM. 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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487 (Part No.674-487)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487

from

$449.99
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

Walker – "Walker Standard EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 15026" (Part No.15026)

"Walker Standard EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 15026"

from

$179.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker universal catalytic converters are available for pre-OBDII (1995 and older) vehicles. Count on Walker�catalytic�converters�for�industry-leading fit and performance.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 9.500 IN, 16703 (Part No.16703)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 9.500 IN, 16703

from

$1082.00
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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99174HM (Part No.99174HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99174HM

from

$188.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99174HM. 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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99184HM (Part No.99184HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99184HM

from

$188.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99184HM. 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 Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 22760 (Part No.22760)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 22760

from

$252.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 22760. 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 22760 includes (2) Flange Gaskets and interchanges with OE parts 20800-0B725, 20800-1B025, 20800-7B225, 20802-57G25, 20802-57G26, 20802-57G27, 20802-57G28, 20802-59G25, 20802-59G26, 20802-72P85, 20802-72P86, 20802-72P87, 20802-72P88. 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 Direct-Fit Catalytic Converter, 49710 (Part No.49710)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49710

from

$846.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49710. 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 49710 includes (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-7Y000, 20020-8Y000, 20020-CK000, 20020-CK600, 20020-ZB720, 20020-ZH90A. 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

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 8.750 IN, 16209 (Part No.16209)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 8.750 IN, 16209

from

$845.99
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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 81127" (Part No.81127)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 81127"

from

$511.99
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.
See More

Most Popular Catalytic Converters for 2004 Nissan Maximas

Enhance your 2004 Nissan Maxima with one of the 28 Catalytic Converters we have in stock, starting at just $196.99.

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16438 (Part No.16438)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16438

from

$469.99
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49710 (Part No.49710)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49710

from

$846.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49710. 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 49710 includes (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-7Y000, 20020-8Y000, 20020-CK000, 20020-CK600, 20020-ZB720, 20020-ZH90A. 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

Walker – "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93203" (Part No.93203)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93203"

from

$233.99
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.
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

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54781 (Part No.54781)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 38.500 IN, 54781

from

$774.99
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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84407" (Part No.84407)

"Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84407"

from

$382.99
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.
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 40.250 IN, 54686 (Part No.54686)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 40.250 IN, 54686

from

$856.99
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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16397 (Part No.16397)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.500 IN, 16397

from

$748.99
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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.375 IN, 16221 (Part No.16221)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 10.375 IN, 16221

from

$925.99
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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16419 (Part No.16419)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16419

from

$594.99
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.
See More

Dorman – Dorman Pre-Converter – CARB Compliant, 673-487 (Part No.673-487)

Dorman Pre-Converter - CARB Compliant, 673-487

from

$1508.00
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.
See More

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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421710 (Part No.5421710)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421710

from

$1116.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5421710. 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 5421710 includes (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-7Y000, 20020-8Y000, 20020-CK000, 20020-CK600, 20020-ZB720, 20020-ZH90A. 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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Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-518 (Part No.679-518)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-518

from

$1064.00
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 Overall Length 12.875 IN, 83396 (Part No.83396)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 12.875 IN, 83396

from

$941.99
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, 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 Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93669 (Part No.93669)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93669

from

$806.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93669. 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 93669 includes (1) Flange Gasket, (2) Crush Ring Gaskets and interchanges with OE parts 20020-7Y000, 20020-8Y000, 20020-CK000, 20020-CK600, 20020-ZB720, 20020-ZH90A. 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, 51207 (Part No.51207)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51207

from

$662.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51207. 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 51207 includes (5) Nuts, (5) Bolts, (1) Flange Gasket, (2) Split Lock Washers, (1) Crush Ring Gasket and interchanges with OE parts 208A1-7Y200, 208A1-8Y100, 208A1-CA100, 208A1-CB200. 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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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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Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507 (Part No.679-507)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-507

from

$601.99
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.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 50809 (Part No.50809)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 50809

from

$588.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50809. 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 50809 includes (1) Crush Ring Gasket and interchanges with OE parts 208A1-7Y100, 208A1-8J410, 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 Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49322 (Part No.49322)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49322

from

$524.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49322. 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 49322 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 California or Federal/EPA Emission systems.
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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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Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-517 (Part No.679-517)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-517

from

$483.99
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.
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Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487 (Part No.674-487)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-487

from

$449.99
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.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 83217" (Part No.83217)

"Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 83217"

from

$391.99
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 California Grade Carb Compliant Universal Catalytic Converter, 5421206 (Part No.5421206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421206

from

$367.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5421206. 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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Top-Rated Catalytic Converter Brands For Your 2004 Nissan Maxima

When it comes to finding the perfect Catalytic Converter for your 2004 Nissan Maxima, 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 MagnaFlow, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $469.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2004 Nissan Maxima, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2004 Nissan Maxima Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2004 Nissan Maxima, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 1 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $469.99, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2004 Nissan Maxima come highly rated, with over 1 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 Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16438
from $469.99
(1)
Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 13.000 IN, 16438
“The product does fit 04-06 Maxima automatic”

Top-Quality MagnaFlow 2004 Nissan Maxima Catalytic Converters

For those in search of a high-quality Catalytic Converter for their 2004 Nissan Maxima, Advance Auto Parts offers a great selection of MagnaFlow Catalytic Converters. With 1 MagnaFlow Catalytic Converters in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Catalytic Converters start at just $846.99, giving you a range of options to suit your budget. Backed by over 8 customer ratings and an average rating of 4.1 stars, MagnaFlow Catalytic Converters provide both reliability and excellent performance. Choosing a MagnaFlow Catalytic Converter from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2004 Nissan Maxima Catalytic Converters

What are the best-selling Catalytic Converters for 2004 Nissan Maximas?

Out of 28 Catalytic Converters that fit 2004 Nissan Maximas, the following parts are the top sellers:

What’s the price range for 2004 Nissan Maxima Catalytic Converters?

The prices of Catalytic Converters for the 2004 Nissan Maxima range from $196.99 up to $1,508.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2004 Nissan Maxima?

The average price for Catalytic Converters for the 2004 Nissan Maxima is $674.35. 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 Maxima model years?

Yes, we carry Catalytic Converters for 38 model years of Nissan Maximas between 1981 and 2021. The following model years are the most popular for Catalytic Converter purchases: 2021, 2020, 2019, 2018, 2017, 2016, 2014, 2013, and 2012.

Does Advance Auto Parts sell Catalytic Converters for any other 2004 Nissan models?

Yes. We stock Catalytic Converters for 8 other popular 2004 Nissan models. Some of the most popular are 2004 Sentra Catalytic Converters, 2004 Pathfinder Catalytic Converters, 2004 Altima Catalytic Converters, 2004 Quest Catalytic Converters, and 2004 Frontier Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2004 Nissan Maxima?

The one 2004 Nissan Maxima Catalytic Converter we have in stock is the MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM. It costs $196.99.

What types of Catalytic Converters do you sell for my 2004 Nissan Maxima?

We currently have just 1 Catalytic Converter in stock for a 2004 Nissan Maxima, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2004 Nissan Maxima 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 Maxima Catalytic Converters?

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