Lexus NX300h Exhaust Parts

Essential Lexus NX300h Exhaust Parts

Walker – Direct Fit Exhaust Resonator and Pipe Assembly (Part No.74021)

Direct Fit Exhaust Resonator and Pipe Assembly

from

$233.99
Product Features:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • STRONG and DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
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Walker – Exhaust Bolt and Spring (Part No.36454)

Exhaust Bolt and Spring

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$16.99
Complete your exhaust repair with a Walker spring bolt kit. Designed to ensure a tight connection and inhibit leaks, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE – Designed to support undercar exhaust components
  • CONSISTENT PERFORMANCE – Spring designed with the right compression strength for a secure connection
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • THE RIGHT CONNECTION – Designed to be used for ball and socket joint
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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MagnaFlow – Direct-Fit OEM Grade Catalytic Converter with Integrated Exhaust Manifold (Part No.52520)

Direct-Fit OEM Grade Catalytic Converter with Integrated Exhaust Manifold

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$991.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52520. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body 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 spun” Body 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. Designed to fit the 2012-2017 Toyota Camry, 2016-2018 Toyota RAV4, and more, this direct-fit catalytic converter also interchanges with OE parts 25051-0V230 and 25051-36080. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Durable 308 stainless steel MIG welds
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MagnaFlow – OEM Grade Universal Catalytic Converter – 2.25" (Part No.51205)

OEM Grade Universal Catalytic Converter - 2.25"

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$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design, cutting and welding is required. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Compact, lightweight construction enables installation in confined areas, welding is required
  • Durable 308 stainless steel MIG welds
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MagnaFlow – Direct-Fit OEM Grade Catalytic Converter (Part No.21-073)

Direct-Fit OEM Grade Catalytic Converter

from

$433.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-073. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body 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 spun” Body 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. Designed to fit the 2016-2018 Toyota RAV4 and 2015-2021 Lexus NX300h, this direct-fit catalytic converter also interchanges with OE part 17410-36200. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Durable 308 stainless steel MIG welds
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Walker – Exhaust Pipe Flange Gasket (Part No.31549)

Exhaust Pipe Flange Gasket

from

$7.59
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT – Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Felpro – Exhaust Pipe Flange Gasket (Part No.60906)

Exhaust Pipe Flange Gasket

from

$8.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Exhaust Pipe Flange Gasket (Part No.61459)

Exhaust Pipe Flange Gasket

from

$22.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Exhaust Pipe Flange Gasket (Part No.61601)

Exhaust Pipe Flange Gasket

from

$22.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Walker – Exhaust System Hanger Insulator (Part No.35460)

Exhaust System Hanger Insulator

from

$6.99
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:
  • OE DESIGN : Designed with OE-style features for easy installation and fit
  • PREMIUM MATERIALS : Made from high-quality materials for durability and long life
  • AVAILABLE IN DIFFERENT SIZES : Offered in a variety of styles and sizes for a quality vehicle repair
  • KEEPS EXHAUST PARTS IN PLACE : Designed to support undercar exhaust components
  • BETTER TOGETHER : Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Exhaust System Hanger Insulator (Part No.35725)

Exhaust System Hanger Insulator

from

$6.99
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:
  • OE DESIGN : Designed with OE-style features for easy installation and fit
  • PREMIUM MATERIALS : Made from high-quality materials for durability and long life
  • AVAILABLE IN DIFFERENT SIZES : Offered in a variety of styles and sizes for a quality vehicle repair
  • KEEPS EXHAUST PARTS IN PLACE : Designed to support undercar exhaust components
  • BETTER TOGETHER : Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31615)

Exhaust Pipe Flange Gasket

from

$15.29
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT – Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Felpro – Exhaust Manifold Gasket Set (Part No.MS 97234)

Exhaust Manifold Gasket Set

from

$27.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Dorman – Help – Manifold Bolt and Spring Kit – 3/8-16 x 1-3/4; M10-1.25 x 67mm (Part No.03123)

Manifold Bolt and Spring Kit - 3/8-16 x 1-3/4; M10-1.25 x 67mm

from

$16.49
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:
  • Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
  • Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
  • Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
  • Quality tested – kit components have undergone extensive testing to ensure proper function and long service life
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Dorman – Exhaust Bolt and Spring Kit – (2) Springs (2) Studs (sold by each) (Part No.675-221)

Exhaust Bolt and Spring Kit - (2) Springs (2) Studs (sold by each)

from

$7.99
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:
  • New hardware helps fix exhaust leaks
  • Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
  • Also available separately (where applicable)
  • Hardened steel construction for long-lasting durability
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Helping You Find the Right Exhaust Parts for Your Lexus NX300h

You love your NX300h. So we’ve made it easier than ever to help you find Lexus NX300h Exhaust Parts in our online catalog. Our inventory holds 17 aftermarket and OEM Exhaust Parts for your Lexus NX300h, ranging from $6.99 to $991.99.

We offer parts from 4 brands trusted to make quality Exhaust Parts for your Lexus NX300h. Before you buy, take some time to read through customer reviews. We currently have 938 reviews of Lexus NX300h Exhaust Parts from previous customers.

Find your NX300h Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Lexus NX300h part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Exhaust Parts Brands for Your Lexus NX300h

Our inventory holds Exhaust Parts for your Lexus NX300h from 4 trusted brands. You’ll find OEM and aftermarket parts from brands like Walker, FELPRO, and Dorman, all of which can keep that Lexus happy.

Top-Rated Walker Exhaust Parts

Leading Walker Exhaust Parts

We carry Walker brand parts for your Lexus NX300h across several catalog categories, including Exhaust System Kits and Exhaust Pipes. Some of our most reviewed Walker parts include:
Exhaust Bolt and Spring
from $16.99
(51)
Exhaust Bolt and Spring
Exhaust Manifold Hardware Kits
Exhaust Pipe Flange Gasket
from $7.59
(1)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets