Infiniti QX4 Engine Parts

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

Since 1921, Cloyes has been the trusted leader in automotive timing systems. A timing chain guide serves as a guide (or track) for the timing chain, connecting the crankshaft and camshaft ensuring proper alignment and timing. Cloyes timing chain guides use the latest in design and material technology, ensuring quiet operation, durability that meet or exceed OEM performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

Product Features:

• CAD designed and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance
• Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
• Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
• Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
• Refer to our online catalog for detailed application-specific information

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

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

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
• 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

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:

• Precision-wound coated copper windings increase product durability and life cycle.
• Hard-coated and anodized spool valve to prevent corrosion and increase service life.
• Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
• Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
• 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
• 100% end-of-line tested to ensure product reliability, every time.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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:

• 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

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
• 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

Premium hose constructed for long service life.

Product Features:

• Good resistance to high temperatures for extended periods of time, which prolongs service life
• Meets SAE 20R3 Standard Wall Class D-2 requirements
• Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
• Caution: Do not use for fuel or oil transfer applications
• CAUTION: Do not use for fuel or oil transfer applications
• PLEASE NOTE: Item is priced and sold by the foot. See store for details.

Product Features:

• Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
• High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
• Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
• Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up

This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:

• Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
• Complete assembly – includes replacement pan and drain plugs to match original components
• Durable design – high-strength coating prevents future corrosion
• Trustworthy value – backed by team of engineers and quality control experts in the United States

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

• Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• Sealed connections (where applicable) to prevent environmental corrosion and performance issues
• Global coverage for import and/or domestic applications
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:

• Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
• Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
• Durable construction – designed and manufactured to strict specifications for reliable performance
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

• Engineered with technology that provides increased accuracy with a stronger, more consistent signal
• Sensors are based on proven hall effect and variable reluctance technology
• Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
• O-rings and seals are included if required.
• Weather-tight connectors prevent leaks and corrosion for better reliability.
• Extensive design validation testing and 100% end-of-line tested.
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

Product Features:

• CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
• Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
• Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
• Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
• Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience

Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:

• Engineered for the majority of domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and a tough, wear-resistant belt
• Meets or exceeds OE quality

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

Your remanufactured engine is tested in several specific ways after being assembled; Multiple Pressure tests. Each component is carefully checked after being cleaned to see if cracks or other defects exist in the casting. After being assembled, we pressure

Product Features:

• Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your First !
• Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
• Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
• Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.

Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:

• All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
• All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
• All threads and machined surfaces are and repaired with technology that exceeds the original metal
• Non-sealing iron surfaces painted to prevent oxidization

Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Steel-backed bronze alloy lining with overplate
• Popular for fatigue resistance & strength
• Provides conformability required for older apps
• Our standard material is comparable to competitors performance bearing
• Note – This material offers less resistance to wear & corrosion than other materials.
• Utilizes ISO & QS certified manufacturing

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
• 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

Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Steel-backed bronze alloy lining with overplate
• Popular for fatigue resistance & strength – provides conformability required for older applications
• State-of-the-art manufacturing
• Exacting tolerances
• Meets or exceeds OEM specifications

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:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
• Good low temperature capability
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair