1999 Infiniti Q45 Fuel and Emissions Systems

Name: Automotive Turbine Fuel Pump
Brand: Delphi
SKU: E300058369DEL
Price: 459.75 USD

Below you will find various in-demand Infiniti Fuel and Emissions Systems, components and accessories for your 1999 Q45. Advance Auto Parts has popular Q45 parts like Fuel Pumps, Oxygen Sensors, Fuel Injectors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Q45 model years including 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and more. Select a category of 1999 Infiniti Q45 Fuel and Emissions Systems below and start saving instantly.

Popular 1999 Infiniti Q45 Fuel and Emissions Systems Categories

Air- Fuel Ratio Sensors

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Gas Caps

Fuel Pumps

Oxygen Sensors

Vapor Canister Vent Solenoids

Emission Control Relays

MAP-Barometric Pressures

Manifold Air Pressure Sensors

Air Charge Temperature Sensors

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Electric Pump Filter and Strainers

Fuel Injector Seal Kits

EGR Vacuum Solenoids

Mass Air Flow Sensor Connectors

Fuel Pump Tank Seals

Fuel Injector O-rings

EGR Valve Gaskets

Ambient Air Temperature Sensor Clip

EGR Vacuum Regulator Solenoid Connectors

Fuel Cap Tester Adapters

Fuel Injector Cushion Rings

Fuel Injection Fuel Rail Insulators

Essential Fuel and Emissions Systems for 1999 Infiniti Q45s

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$459.75

Delphi Automotive Turbine Fuel Pumps are a family of in-tank pumps designed to provide uninterrupted flow of fuel for gasoline and flexible fuel engines, providing reliability, high efficiency and excellent hot fuel delivery performance. Delphi T-23 Automotive Turbine Fuel Pumps provide excellent low-fuel delivery performance for reliable, uninterrupted fuel flow. They help reduce evaporative emissions because they generate low heat and vapors.

Product Features:

Proven in-field performance in global applications
Flexibility to adjust product features and performance to suit customer needs through selection of armature windings, pump section configuration, and component features
Carbon commutator technology provides improved durability and robust performance for gasoline and flexible fuel, with blends up to E100
Highly integrated design for lower overall cost
Compact 39mm diameter that enables excellent packaging flexibility
Robust durability with dry run capability
Exceptional low voltage startability

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$43.99

CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:

Lifecycle tested to meet or exceed OE specifications
Direct OE replacement
High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
Global coverage for import and/or domestic applications.

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$138.99

Hitachis line of vehicle sensors are crucial to an efficiently operating vehicle. Whether is it an Automatic Transmission Speed Sensor, Crankshaft Angle Sensor, Camshaft Angle Sensor, Knock Sensor, Pressure Sensor, Temperature Sensor, Throttle Position Sensor, or Oil Level Sensor, you can rely on accurate readings and signals to be transmitted to your vehicles Electrical Control Unit (ECU) for an efficiently running system. Hitachi uses premium components and materials in the construction of all sensors extending the service interval of the product. Designed to meet the exact needs of each specific vehicle, Hitachis Sensors are the premium choice.

Product Features:

Provides accurate measurement; reliable engine performance.
100% NEW, never remanufactured

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$185.99

WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to

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$80.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit, the first time.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$13.80

Recommended for replacement whenever the sending unit is serviced, Dorman’s Fuel Tank Sending Unit Lock Ring securely retains the fuel pump assembly to the lock. Its heavy-duty steel or plastic construction ensures a long life.

Product Features:

Comes with rubber seal or gasket
Direct replacement for a proper fit every time
Corrosion-resistant
Quality-tested for trouble-free performance

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$16.79

ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$328.99

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$10.29

The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$39.49

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’s line of vehicle sensors are crucial to an efficiently operating vehicle. Whether is it an Automatic Transmission Speed Sensor, Crankshaft Angle Sensor, Camshaft Angle Sensor, Knock Sensor, Pressure Sensor, Temperature Sensor, Throttle Position Sensor, or Oil Level Sensor, you can rely on accurate readings and signals to be transmitted to your vehicles’ Electrical Control Unit (ECU) for an efficiently running system. Hitachi uses premium components and materials in the construction of all sensors extending the service interval of the product. Designed to meet the exact needs of each specific vehicle, Hitachi’s Sensors are the premium choice. Hitachi sensor line supports accurate measurement for reliable engine performance.

Product Features:

Hitachi is a Tier 1 OE supplier for temperature sensors
100% NEW, never remanufactured
Meets the OE performance and durability standards for this application
Accurate and reliable measurements
Provides accurate measurement; reliable engine performance.

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$115.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$19.99

100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:

Filtration performance and micron rating meet or exceed OE requirements
OE replacement strainer designed for use with Delphi electric fuel pumps
Replacing the strainer is always recommended when replacing a fuel pump

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$8.99

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

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$12.49

When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Helps avoid premature fuel pump failure
Lint free towel included
Low suds formulation
Removes harmful contaminants from the fuel tank

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$233.99

Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$4.49

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$15.49

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$2.99

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$1.25

Fuel Injector O-Ring

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$149.99

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$9.90

Fuel Inject Cushion

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$152.77

Vapor Canister Vent

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$17.79

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$109.99

CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:

100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
Components are rated to handle demanding temperature variations for optimum reliability in every environment.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.

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$214.26

Standard Motor Products fuel injectors are manufactured to OE requirements that meet federal emissions and fuel economy standards, and provide exact OE fit for ease of installation. Standard Motor Products injectors are manufactured using internal components that are compatible with alternative fuels or fuel blends, including ethanol mixtures.

Product Features:

Original Equipment Manufacturer
Premium internal components
OE Calibrated impedance
Fine atomized spray reduces emissions

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$1.85

Fuel Rail Insulator

Upgrade your 1999 Infiniti Q45 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1999 Infiniti Q45, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Infiniti or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Q45 functioning at its best. At Advance Auto Parts, we offer a wide selection of 64 Fuel and Emissions Systems for the 1999 Infiniti Q45, designed to meet your needs without breaking the bank. From Fuel Pump replacements to Oxygen Sensors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 1999 Infiniti Q45 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $1.36 to $396.35, with an average price of $78.88. Our 64 Fuel and Emissions Systems in stock come from 20 trusted brands, so you’re sure to find the right part for your 1999 Infiniti Q45 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1999 Infiniti Q45, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Carquest Premium Delphi, and more. Carquest Premium Fuel and Emissions Systems start at just $2.99 and boast an impressive 4 stars average rating from customers. With 430 customer reviews and counting, our 1999 Infiniti Q45 Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1999 Infiniti Q45 is always ready to roll. We’re committed to providing you with everything you need to keep your Q45 in top shape, all in one place. Start shopping confidently below for your 1999 Infiniti Q45!

Best-Selling Fuel Pumps for 1999 Infiniti Q45s

Enhance the driving experience in your Infiniti with 6 quality Fuel Pump components, starting at $13.99.

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$19.99

Filtration performance and micron rating meet or exceed OE requirements
OE replacement strainer designed for use with Delphi electric fuel pumps
Replacing the strainer is always recommended when replacing a fuel pump

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$13.99

CARQUEST Premium electric fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our CARQUEST Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. CARQUEST Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$149.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
Improved pump performance as a result of Delphi’s innovative design and durability
Restores fast pressure performance and system integrity, translating to better pumping through less energy
Part is validated, tested and matched to the right vehicle application
Lower amperage draws less load on vehicle’s electrical system
Always be sure to check and clean fuel tank to avoid unnecessary returns
Always replace the fuel strainer when doing a fuel pump repair

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$125.99

Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$15.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

Most Popular 1999 Infiniti Q45 Oxygen Sensors

Customize your Infiniti with 8 Oxygen Sensors products like Oxygen Sensors, all priced under $111.53.

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$56.99

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$69.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

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$69.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

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$111.53

Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:

SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.

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$83.41

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:

OE-Equivalent.
Direct fit for easy installation.
OE Style connectors and wire lengths.
Base ceramic probe of Zirconium and Yttrium.
Patented Platinum Power Grid.

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$82.99

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$75.99

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$45.99

NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

Top Picks for 1999 Infiniti Q45 Fuel Injectors

Upgrade Infiniti Q45s with top-quality Fuel Injectors parts, including 14 OEM and aftermarket selections for your 1999 model.

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$56.99

CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$96.05

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
Fiber-optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box

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$8.99

Premium OE quality materials
Services one injector

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$146.99

Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

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$109.99

100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
Components are rated to handle demanding temperature variations for optimum reliability in every environment.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.

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$324.33

Air Mass Sensor

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$315.99

100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
Delphi OE technology validated to match the vehicle applications

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$214.26

Original Equipment Manufacturer
Premium internal components
OE Calibrated impedance
Fine atomized spray reduces emissions

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$104.99

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

Matches OE form, fit and function
Made with high quality material and componentry
High quality construction for durability
Constructed to withstand an underhood environment
Application specific for this vehicle

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$104.99

100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:

Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
Quiet operation, no audible regulator noise
Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
Consistent and predictable fuel pressure throughout system range of control provides great drivability

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$80.99

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$5.22

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.

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$2.33

Fuel Injector O-Ring

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$1.36

Fuel Injector O-Ring

In-Demand Gas Caps for 1999 Infiniti Q45s

Select from 12 premium Gas Caps parts for your 1999 Infiniti Q45, with prices ranging from $6.99 to $24.99.

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$11.99

None

Product Features:

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

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$14.99

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$15.49

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$15.79

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$24.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$16.79

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control
“Torque Override” feature aids in the proper installation of the fuel cap. It produces an audible click as the O-ring that seals the cap is properly compressed.

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$23.99

None

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$21.79

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$22.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$6.99

None

Product Features:

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

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$23.99

Experience uncompromising quality and emissions compliance with these tethered fuel caps. Manufactured with top-tier materials and rigorous production and safety standards adhering to Original Equipment Manufacturer guidelines. Designed meticulously to meet both state and federal emissions requirements, it ensures environmental responsibility. With its specifically engineered pressure and vacuum relief valves, fuel evaporation becomes a thing of the past. Bid farewell to the risk of losing up to 30 gallons of precious gasoline over a year due to a leaking fuel cap. Trust in our superior construction to safeguard your fuel and contribute to a greener future.

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$10.99

None

Product Features:

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

Most Sold 1999 Infiniti Q45 Air Flow Sensors

Explore our best-selling Infiniti parts for the 1999 Q45 among 10 OEM and aftermarket options starting from $4.49.

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$4.49

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$16.79

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$36.50

Ambient Temp Sensor

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$37.99

This mass air flow sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this mass air flow sensor connector matches the appearance and function of the factory hardware on specified applications.
Ideal solution – this connector 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

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$138.99

Provides accurate measurement; reliable engine performance.
100% NEW, never remanufactured

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$115.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$71.06

Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements.

Product Features:

Improved Engine Response and Performance
Lower Emissions
Improved Fuel Economy
Longer Sensor Life
Meets OEM Specifications Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install

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$43.99

Lifecycle tested to meet or exceed OE specifications
Direct OE replacement
High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
Global coverage for import and/or domestic applications.

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$39.49

Hitachi is a Tier 1 OE supplier for temperature sensors
100% NEW, never remanufactured
Meets the OE performance and durability standards for this application
Accurate and reliable measurements
Provides accurate measurement; reliable engine performance.

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$30.99

Top-Rated Fuel and Emissions Systems Brands For Your 1999 Infiniti Q45

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1999 Infiniti Q45s. Below you’ll find some of our best rated Fuel and Emissions Systems from Carquest Premium and Delphi, and more. Fuel and Emissions Systems from these brands that fit a 1999 Q45 start at just $2.99 and are rated as high as 4 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 1999 Infiniti Q45 Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1999 Infiniti Q45, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Fuel and Emissions Systems, specifically designed for the 1999 Infiniti Q45. With over 27 Carquest Premium brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $2.99, with an average price of just $60.65. Plus, with over 402 customer reviews and an average rating of 4 stars, you can trust that our Carquest Premium Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$13.99

This product is not rated

Fuel Pump Strainer FS2510488

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$10.99

This product is not rated

Keyed Alike Locking Fuel Cap

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$8.99

This product is not rated

Fuel Injector Seal Kit

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Popular Delphi 1999 Infiniti Q45 Fuel and Emissions Systems

Delphi auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 1999 Infiniti Q45 owner should feel confident when installing genuine Delphi parts in their vehicle. To ensure the best fit and performance for your 1999 Q45, Advance Auto Parts carries a full inventory of 6 Delphi Fuel and Emissions Systems. Plus you will be keeping your Infiniti in peak condition while saving money because prices on these Delphi Fuel and Emissions Systems range from $12.49 to $324.33, plus, with more than 5 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

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$315.99

This product is not rated

Mass Air Flow Sensor

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$324.33

This product is not rated

Air Mass Sensor

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$12.49

This product is not rated

Fuel Tank Cleaning Kit

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FAQs for 1999 Infiniti Q45 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 1999 Infiniti Q45s?

Out of 64 Fuel and Emissions Systems that fit 1999 Infiniti Q45s, the following parts are the top sellers:

Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (12102600) – $23.99
Fuel Tank Cleaning Kit (11692237) – $12.49

What’s the price range for 1999 Infiniti Q45 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 1999 Infiniti Q45 start at $1.36 and go up to $396.35 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 1999 Infiniti Q45?

The average price for Fuel and Emissions Systems for the 1999 Infiniti Q45 is $78.88. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Infiniti Q45 model years?

Yes, we currently carry Fuel and Emissions Systems for 16 model years of Infiniti Q45s between 1990 and 2006. Fuel and Emissions Systems are bought most frequently for the following model years: 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1998, and 1997.

What are the cheapest Fuel and Emissions Systems for my 1999 Infiniti Q45?

The cheapest 1999 Infiniti Q45 Fuel and Emissions Systems we carry in stock are:

Fuel Injector O-Ring (10740111) – $1.36
Fuel Rail Insulator (10740521) – $1.85
Fuel Injector O-Ring (10739798) – $2.33
Exhaust Gas Recirculation (EGR) Valve Gasket (12511200) – $2.99
Fuel Pump Tank Seal (12614370) – $3.22

What are the top-rated Fuel and Emissions Systems that fit the 1999 Infiniti Q45?

Out of 430 reviews by customers, our 1999 Infiniti Q45 Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 1999 Infiniti Q45 and their top-rated products:

Oxygen Sensors
- Oxygen Sensor: 4 Wire, 10.24" Long, Heated, Exact Fit (19370045) – $56.99
- Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal (19370042) – $69.99
- Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit (19370065) – $69.99
Air Flow Sensors
- Oxygen Sensor: 4 Wire, 10.24" Long, Heated, Exact Fit (19370045) – $56.99
- Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal (19370042) – $69.99
- Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit (19370065) – $69.99

What types of Fuel and Emissions Systems do you sell for my 1999 Infiniti Q45?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1999 Infiniti Q45:

Can I get help with 1999 Infiniti Q45 Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Infiniti Fuel and Emissions Systems and more.

What is your return policy for Infiniti Q45 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Infiniti Q45 Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1999 Infiniti Q45 Fuel and Emissions Systems

Delphi – Automotive Turbine Fuel Pump (Part No.E300058369DEL)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1186)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Hitachi – Pressure Sensor – New Actual OE Part (Part No.PRS0001)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1192)

DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4210)

Dorman – Fuel Sending Unit Retainer Assortment (Part No.E3004418238DOR)

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC2093)

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

Hitachi – Air Intake Temperature Sensor – New Actual OE Part (Part No.TMS0003)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.AEE1033)

Delphi – Fuel Pump Strainer (Part No.FS0093)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS001)

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Carquest Premium – Vapor Canister (Part No.CPN1202)

Dorman – Nissan Splash Shield Retainer (Part No.961-031D)

Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1035)

Ishino – Fuel Injector O-Ring (Part No.C101245500ISH)

Carquest Premium – Exhaust Gas Recirculation (EGR) Vacuum Regulator Solenoid Connector (Part No.PTA2918)

Nippon Reinz – Fuel Inject Cushion (Part No.C101167254NRZ)

Dorman – Vapor Canister Vent (Part No.B7091751090DOR)

Carquest Premium – Multi Purpose Relay (Part No.RAA1277)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10035)

Standard Motor Products – Fuel Injector (Part No.C1000113149STD)

Ishino – Fuel Rail Insulator (Part No.C1008251685ISH)

Delphi – Fuel Pump Strainer (Part No.FS0093)

Carquest Premium – Fuel Pump Strainer FS2510488 (Part No.FS2510488)

Delphi – Electric Fuel Pump: With Hose Clamps & Piece, Insulating Sleeve, Splices, 2-Wire Harness w/Connector (Part No.FE0252)

Carquest Premium – Fuel Pump Includes Includes Strainer (Part No.E2496067)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Bosch – Oxygen Sensor: 4 Wire, 10.24" Long, Heated, Exact Fit (Part No.15757)

Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit (Part No.15727)

Bosch – Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal (Part No.15726)

DENSO – First Time Fit Oxygen Sensor (Part No.C5010100868ND)

Bosch – Oxygen Sensor (Part No.C5010326837BOS)

DENSO – Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-3090)

DENSO – Oxygen Sensor: Upstream, 3 Wire, 22.83" Long, Heated, Exact Fit (Part No.234-3087)

NTK – Switching Oxygen Sensor: 3 Wire, 22.75" Long, Heated, Direct Fit (Part No.24039)

Carquest Premium – Remanufactured Fuel Injector (Part No.A218-1144)

Carquest – Fuel Injector (Part No.57684)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS001)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7253)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10035)

Delphi – Air Mass Sensor (Part No.B31502577076DEL)

Delphi – Mass Air Flow Sensor (Part No.AF10164)

Standard Motor Products – Fuel Injector (Part No.C1000113149STD)

Beck/Arnley – Fuel Pump (Part No.158-0912)

Delphi – Fuel Injection Pressure Regulator (Part No.FP10423)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1200)

Nippon Reinz – Fuel Inject Cushion Ring (Part No.C1011309846NRZ)

Ishino – Fuel Injector O-Ring (Part No.C101236359ISH)

Ishino – Fuel Injector O-Ring (Part No.C101236683ISH)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)

Carquest Premium – Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)

Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Carquest Premium – Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10501)

Carquest Premium – Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819)

Carquest Premium – Locking Fuel Cap (Part No.10591)

Carquest Premium – Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)

Carquest Premium – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17504)

Motorad – Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (Part No.MGC817T)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)

Dorman – Nissan Splash Shield Retainer (Part No.961-031D)

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Niles – Ambient Temp Sensor (Part No.P4025778656NIL)

Dorman – Mass Air Flow Sensor Connector (Part No.645-929)

Hitachi – Pressure Sensor – New Actual OE Part (Part No.PRS0001)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.AEE1033)

Walker – Walker Oxygen Sensor (Part No.C5010381092WKR)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1186)

Hitachi – Air Intake Temperature Sensor – New Actual OE Part (Part No.TMS0003)

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1183)