2003 Infiniti Q45 Exhaust Parts
More 2003 Infiniti Q45 Exhaust Parts Categories
If you’re looking for an original Exhaust Parts replacement for a 2003 Infiniti Q45, you can search through our selection below. You’ll also find aftermarket and OEM Exhaust Parts to meet your needs.
Essential 2003 Infiniti Q45 Exhaust Parts
MAHLE Original – Exhaust Manifold Gasket Set (Part No.MS19426)
from
$59.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- Exhaust manifold gasket set contains all gaskets required.
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Ishino – Exhaust Manifold Gasket (Part No.A8111117577ISH)
from
$16.78
Exhaust Manifold Gasket
Felpro – Exhaust Manifold Gasket Set (Part No.MS 97264)
from
$74.99
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:
See More
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
- Contains all gaskets and seals to remove and replace exhaust manifold
Ishino – Exhaust Manifold Gasket (Part No.A8111117483ISH)
from
$2.91
Exhaust Manifold Gasket
Dorman – Help – Exhaust Stud Kit – M10-1.25 x 40mm (Part No.03105)
from
$10.49
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement for a proper fit every time
- Durable steel construction
- New hardware helps fix exhaust leaks
- Also available in the Exhaust Manifold Hardware Kit
Dorman – Double Ended Stud – M10-1.50 x 27mm and M10-1.50 x 12mm (Part No.29224)
from
$5.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441306)
from
$503.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441306 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 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.
Product Features:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.82629)
from
$863.99
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.
Product Features:
See More
Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15036)
from
$103.99
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.
Product Features:
See More
Product Features:
- EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
- NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
- BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23143)
from
$255.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23143 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1990-1993 INFINITI Q45. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
Product Features:
See More
Product Features:
- 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.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-650)
from
$655.99
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.
Product Features:
See More
Product Features:
- Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
- Convenient kit – includes gaskets and downpipe hardware to simplify installation
- Durable construction -manufactured within strict tolerances for reliable longevity
- Trustworthy value – backed by team of engineers and quality control experts in the United States
Ishino Stone – Exh. Man. to Pipe Ga (Part No.H400331407ISH)
from
$4.03
Exh. Man. to Pipe Ga
Nippon Reinz – Exhaust Gasket (Part No.H4000117282NRZ)
from
$8.11
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
See More
Mahle – Exhaust Gasket (Part No.H4000176633MAH)
from
$10.22
Exhaust Gasket
Ishino Stone – Exh. Man. to Pipe Ga (Part No.H400329446ISH)
from
$3.96
Exh. Man. to Pipe Ga
Felpro – Exhaust Pipe Flange Gasket (Part No.60458)
from
$4.49
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.61515)
from
$8.49
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.60937)
from
$5.49
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:
See More
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
MAHLE Original – CATALYTIC CONVERTER (Part No.F7480)
from
$5.79
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Exhaust Pipe Flange Gasket (Part No.60308)
from
$3.49
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.60674)
from
$4.79
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:
See More
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
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32111)
from
$25.49
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 2003 Infiniti Q45 Exhaust Parts Categories
2003 Infiniti Q45 Exhaust Parts
You count on your 2003 Infiniti Q45 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 13 Exhaust Parts ranging in price from $3.96 to $655.99, you’re sure to find everything you need for your 2003 Infiniti Q45.
Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 5 different brands like Felpro, Dorman, and Ishino. 2003 Infiniti Q45 Exhaust Parts start as low as $3.96!
One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 15 extensive product reviews on 2003 Infiniti Q45 Exhaust Parts.
Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2003 Infiniti Q45 below to get started!
Top-Rated Exhaust Parts Brands For Your 2003 Infiniti Q45
Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Infiniti Q45 running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Ishino, and even more.
Popular Felpro Exhaust Parts
You’ll find popular Felpro brand products across Exhaust Pipes. All are waiting to get your 2003 Infiniti Q45 back on the road. Some of the top-rated Felpro products in these categories are:
FAQs for 2003 Infiniti Q45 Exhaust Parts
What are the most purchased Exhaust Parts for the 2003 Infiniti Q45?
Out of 13 Exhaust Parts for the 2003 Infiniti Q45, the most popular in our inventory are:
