2003 Infiniti Q45 Engine Parts

Essential 2003 Infiniti Q45 Engine Parts

NOK – Crankshaft Seal (Part No.A8060169549NOK)

Crankshaft Seal

from

$20.57
Crankshaft Seal

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1815)

Engine Crankshaft Position Sensor

from

$48.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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MAHLE Original – Timing Cover Set (Part No.JV5088)

Timing Cover Set

from

$35.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

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
  • Timing cover gasket set contains the timing cover seal and timing cover gasket(s) where 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
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National – Multi Purpose Seal (Part No.224650)

Multi Purpose Seal

from

$13.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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National – Shaft Repair Sleeve (Part No.99196)

Shaft Repair Sleeve

from

$33.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Driveworks – Main Bearing Repair Sleeve (Part No.S-99181)

Main Bearing Repair Sleeve

from

$43.49
Product Features:
  • Brand may vary by location
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40628)

Engine Crankshaft Seal Kit

from

$26.49
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Hitachi – Variable Timing Control Solenoid – Actual OE Part New (Part No.VTS0003)

Variable Timing Control Solenoid - Actual OE Part New

from

$166.99
Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.

Product Features:
  • 100% NEW, never remanufactured
  • Meets the OE performance and durability standards for this application
  • Additional O-ring located in the solenoid housing prevents water from damaging electrical components
  • Optimally designed electromagnet requires less energy to maintain operating positions
  • Precision machined ports and high-quality seals create less pressure drop
  • Hitachi’s Variable Timing Solenoid (VTSs) precisely regulate oil flow to the Variable Timing Gear to allow the engine to adjust timing for optimal performance and fuel economy. Our VTS have a(n) optimally designed electromagnet(s) requiring less energy to
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Corteco – Valve Stem Seal (Part No.A807045124CFW)

Valve Stem Seal

from

$7.26
Valve Stem Seal

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.26637 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$56.99
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:
  • Validated for fit, form, and function
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WSO – Camshaft Position Se (Part No.A40151891699WSO)

Camshaft Position Se

from

$53.61
Camshaft Position Se

Carquest Premium – Engine Camshaft Position Sensor (Part No.CSE2723)

Engine Camshaft Position Sensor

from

$395.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Victor Reinz – Valve Cover Gasket Set: Direct Fit, 2 Pieces (Part No.15-10778-01)

Valve Cover Gasket Set: Direct Fit, 2 Pieces

from

$45.99
Oil drops on the driveway are a distant memory thanks to sophisticated engine valve cover and gasket designs. Victor Reinz is at the forefront of engineering the latest sealing technology. Although the primary task of valve cover gaskets is to seal oil and oil spray, they must withstand high temperatures brought on by nearby exhaust manifolds, exhaust crossovers in the cylinder heads, and EGR systems. Victor Reinz valve cover gaskets deliver the quality materials you demand. Where appropriate, Victor Reinz valve cover gaskets are designed with compression limiters to prevent over-torquing, splitting, or the need to retorque.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Meets or exceeds original equipment specifications.
  • Resistant to high and low temperatures and achieve a secure seal with low tightening forces.
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Victor Reinz – Valve Cover Gasket: Direct Fit, 1 Piece (Part No.71-17152-00)

Valve Cover Gasket: Direct Fit, 1 Piece

from

$37.99
Oil drops on the driveway are a distant memory thanks to sophisticated engine valve cover and gasket designs. Victor Reinz is at the forefront of engineering the latest sealing technology. Although the primary task of valve cover gaskets is to seal oil and oil spray, they must withstand high temperatures brought on by nearby exhaust manifolds, exhaust crossovers in the cylinder heads, and EGR systems. Victor Reinz valve cover gaskets deliver the quality materials you demand. Where appropriate, Victor Reinz valve cover gaskets are designed with compression limiters to prevent over-torquing, splitting, or the need to retorque.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Meets or exceeds original equipment specifications.
  • Resistant to high and low temperatures and achieve a secure seal with low tightening forces.
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Felpro – CONVERSION GASKET SET/ LOWER GASKET SET (Part No.CS 26586)

CONVERSION GASKET SET/ LOWER GASKET SET

from

$63.99
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72198)

CYLINDER HEAD BOLT SET

from

$89.99
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
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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MAHLE Original – Cylinder Head Bolts (Part No.GS33540)

Cylinder Head Bolts

from

$129.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

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
  • Cylinder head bolt set (GS) contains the head bolts necessary to replace one cylinder head. Torque-to-yield bolts cannot be reused, new fasteners ensure proper sealing load when used with new MAHLE Original head gaskets.
  • 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
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NTC – Tama Engine Coolant Temperature Sensor (Part No.C6020463610NTC)

Tama Engine Coolant Temperature Sensor

from

$26.04
The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Ishino Stone – Fuel Pump Tank Seal (Part No.E3004418254ISH)

Fuel Pump Tank Seal

from

$25.16
Fuel Pump Tank Seal

Dorman – Fuel Pump Lock Ring (Part No.579-051)

Fuel Pump Lock Ring

from

$38.49
This fuel tank sending unit gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel tank sending unit gasket is designed to match the fit and function of the original gasket on specified vehicles
  • Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket fails
  • Durable construction – this part is 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
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Carquest Premium – Engine Oil Filler Cap: 10107, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10107)

Engine Oil Filler Cap: 10107, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$12.49
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26748)

O-Ring & Gasket A/C System Seal Kit

from

$14.49
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
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Ishino Stone – Position Sensor O-Ri (Part No.A4017284603ISH)

Position Sensor O-Ri

from

$2.00
Position Sensor O-Ri

2003 Infiniti Q45 Engine 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 Engine Parts. With 49 Engine Parts ranging in price from $2.00 to $370.99, you’re sure to find everything you need for your 2003 Infiniti Q45.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 19 different brands like Carquest Premium, Factory Air, and NTK. 2003 Infiniti Q45 Engine Parts start as low as $2.00!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 41 extensive product reviews on 2003 Infiniti Q45 Engine Parts. Some of the top-rated Engine Parts products we carry are CYLINDER HEAD BOLT SET with 3.5 stars and Cylinder Head Bolts with 3.0 stars.

Did we mention you can order your Engine 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 Engine Parts inventory for your 2003 Infiniti Q45 below to get started!

Top-Rated Engine Parts Brands For Your 2003 Infiniti Q45

Trusted Engine 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 Carquest Premium, Factory Air, NTK, and even more.

Popular Dorman Engine Parts

You’ll find popular Dorman brand products across Engine Gaskets and Seals. All are waiting to get your 2003 Infiniti Q45 back on the road. Some of the top-rated Dorman products in these categories are:
Fuel Pump Lock Ring
from $38.49
(1)
Fuel Pump Lock Ring
Fuel Tank Sending Unit Gaskets

Top-Rated Engine Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Engine Parts for your 2003 Infiniti Q45, and some of our most reviewed parts include:
Multi Purpose Seal
from $13.29
(20)
Multi Purpose Seal
Timing Cover Seals

FAQs for 2003 Infiniti Q45 Engine Parts

What are the most purchased Engine Parts for the 2003 Infiniti Q45?

Out of 49 Engine Parts for the 2003 Infiniti Q45, the most popular in our inventory are:
O-Ring & Gasket A/C System Seal Kit
from $14.49
(6)
O-Ring & Gasket A/C System Seal Kit
O-Rings
Camshaft Sensor
from $43.99
This product is not rated
Camshaft Sensor
Crankshaft Position Sensors

What are the top-rated 2003 Infiniti Q45 Engine Parts?

Top-rated Engine Parts for your 2003 Infiniti Q45 based on customer reviews/ratings are:
CYLINDER HEAD BOLT SET
from $89.99
(2)
CYLINDER HEAD BOLT SET
“Truck needed two sets, I only purchased one at the time.”
Cylinder Head Bolts
from $129.99
(1)
Cylinder Head Bolts
“part fit fine and worked”