2003 Infiniti QX4 Air Intakes
Find Your Specific 2003 Infiniti QX4 Air Intakes
Below you will find various in-demand Infiniti Air Intakes, components and accessories for your 2003 QX4. Advance Auto Parts has popular QX4 parts like Throttle Bodies & Carb Parts Carburetor Kits and more. You’ll also find aftermarket and OEM Air Intakes for other QX4 model years including
1997,
1998,
1999,
2000,
2001,
2002 and more. Select a category of 2003 Infiniti QX4 Air Intakes below and start saving instantly.
Popular 2003 Infiniti QX4 Air Intakes Categories
Essential Air Intakes for 2003 Infiniti QX4s
Hitachi – Throttle Position Sensor (Part No.TPS0006)
from
$101.99
Precision Throttle Position Sensor (TPS) Circuitry maintains accurate engine mapping resulting in optimal fuel economy and performance with the lowest possible emissions. Details such as internal gear sizes, tooth count, materials, and protected circuitry provide a durable and reliable product approved by OE manufacturers.
Product Features:
See More
Product Features:
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Meets the OE performance and durability standards for this application
- Accurate and reliable measurements
- Provides accurate measurement; reliable engine performance.
Carquest Premium – Throttle Position Sensor (Part No.ECC1044)
from
$101.99
Carquest Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All Carquest Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
Product Features:
See More
Product Features:
- Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
- 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
- Designed to meet or exceed all OEM specifications in fit, form & function
- Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Delphi – Throttle Position Sensor (Part No.SS10491)
from
$137.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.
Product Features:
See More
Product Features:
- Delphi sensors are built to meet or exceed OE requirements and testing
- Not impacted by temperature changes
- Designed digital output for maximum signal to noise ratio
- Contactless technology means lower failure rates and prolonged component life
- Provide robust, long lasting sensor protection
Carquest Premium – Throttle Position Sensor (Part No.ECC1243)
from
$98.99
Carquest Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All Carquest Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
Product Features:
See More
Product Features:
- Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
- 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
- Designed to meet or exceed all OEM specifications in fit, form & function
- Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Hitachi – Throttle Position Sensor (Part No.TPS0001)
from
$69.99
Precision Throttle Position Sensor (TPS) Circuitry maintains accurate engine mapping resulting in optimal fuel economy and performance with the lowest possible emissions. Details such as internal gear sizes, tooth count, materials, and protected circuitry provide a durable and reliable product approved by OE manufacturers.
Product Features:
See More
Product Features:
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Meets the OE performance and durability standards for this application
- Accurate and reliable measurements
- Provides accurate measurement; reliable engine performance.
Delphi – Throttle Position Sensor (Part No.SS10319)
from
$135.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.
Product Features:
See More
Product Features:
- Delphi sensors are built to meet or exceed OE requirements and testing
- Not impacted by temperature changes
- Designed digital output for maximum signal to noise ratio
- Contactless technology means lower failure rates and prolonged component life
- Provide robust, long lasting sensor protection
Dorman – Ignition Coil Connector (Part No.645-787)
from
$31.99
This ignition coil 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:
See More
Product Features:
- Direct replacement – this ignition coil 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
Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)
from
$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. Includes hard to find or previously dealer-only components.
Product Features:
See More
Product Features:
- Premium OE quality materials
- Services one injector
Upgrade your 2003 Infiniti QX4 with Top-Quality Air Intakes
When it comes to maintaining or upgrading your 2003 Infiniti QX4, 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, Air Intakes are key to keeping your QX4 functioning at its best. At Advance Auto Parts, we offer a wide selection of 5 Air Intakes for the 2003 Infiniti QX4, designed to meet your needs without breaking the bank.
From
Throttle Bodies & Carb Part
replacements to
Carburetor Kits
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 Air Intakes for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Air Intakes for your 2003 Infiniti QX4 at great prices.
Our Air Intakes inventory for this model
ranges from just $8.99 to $137.99, with
an average price of $69.59.
Our 5 Air Intakes in stock come from 4 trusted brands, so you’re sure to find the right part for your 2003 Infiniti QX4 without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Air Intake upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 Infiniti QX4 is always ready to roll. We’re committed to providing you with everything you need to keep your QX4 in top shape, all in one place.
Start shopping confidently below for your 2003 Infiniti QX4!
Best-Selling Throttle Bodies & Carb Parts for 2003 Infiniti QX4s
Enhance the driving experience in your Infiniti with 4 quality Throttle Bodies & Carb Part components, starting at $31.99.
Dorman – Ignition Coil Connector (Part No.645-787)
from
$31.99
This ignition coil 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:
See More
Product Features:
- Direct replacement – this ignition coil 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
Carquest Premium – Throttle Position Sensor (Part No.ECC1243)
from
$98.99
Carquest Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All Carquest Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
Product Features:
See More
Product Features:
- Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
- 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
- Designed to meet or exceed all OEM specifications in fit, form & function
- Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Hitachi – Throttle Position Sensor (Part No.TPS0001)
from
$69.99
Precision Throttle Position Sensor (TPS) Circuitry maintains accurate engine mapping resulting in optimal fuel economy and performance with the lowest possible emissions. Details such as internal gear sizes, tooth count, materials, and protected circuitry provide a durable and reliable product approved by OE manufacturers.
Product Features:
See More
Product Features:
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Hitachi is a Tier 1 OE supplier for Throttle Position Sensors
- Meets the OE performance and durability standards for this application
- Accurate and reliable measurements
- Provides accurate measurement; reliable engine performance.
Delphi – Throttle Position Sensor (Part No.SS10491)
from
$137.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.
Product Features:
See More
Product Features:
- Delphi sensors are built to meet or exceed OE requirements and testing
- Not impacted by temperature changes
- Designed digital output for maximum signal to noise ratio
- Contactless technology means lower failure rates and prolonged component life
- Provide robust, long lasting sensor protection
Most Popular 2003 Infiniti QX4 Carburetor Kits
Customize your Infiniti with 1 Carburetor Kits products
like Carburetor and Injector Seal Kits, all
priced under $8.99.
Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)
from
$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. Includes hard to find or previously dealer-only components.
Product Features:
See More
Product Features:
- Premium OE quality materials
- Services one injector
FAQs for 2003 Infiniti QX4 Air Intakes
Which Air Intakes are best-sellers for 2003 Infiniti QX4s?
Out of 5 Air Intakes that fit 2003 Infiniti QX4s, the following parts are the top sellers:
- Fuel Injector Seal Kit (11450392) – $8.99
- Throttle Position Sensor (12424407) – $98.99
- Throttle Position Sensor (10594726) – $69.99
What’s the price range for 2003 Infiniti QX4 Air Intakes?
Air Intake prices for the 2003 Infiniti QX4 start at $8.99 and go up to $137.99 for the most premium parts.
What’s the average price of a Air Intake for a 2003 Infiniti QX4?
The average price for Air Intakes for the 2003 Infiniti QX4 is $69.59. Keep in mind the variety of part types within our Air Intake category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Air Intakes for other Infiniti QX4 model years?
What are the cheapest Air Intakes for my 2003 Infiniti QX4?
The cheapest 2003 Infiniti QX4 Air Intakes we carry in stock are:
- Fuel Injector Seal Kit (11450392) – $8.99
- Ignition Coil Connector (11320325) – $31.99
- Throttle Position Sensor (10594726) – $69.99
- Throttle Position Sensor (12424407) – $98.99
- Throttle Position Sensor (26956902) – $137.99
What are the top-rated Air Intakes that fit the 2003 Infiniti QX4?
Out of 1 reviews by customers, our 2003 Infiniti QX4 Air Intakes have an average customer rating of . These are some of the highest-rated Air Intake types for the 2003 Infiniti QX4 and their top-rated products:
- Throttle Bodies & Carb Parts
- Ignition Coil Connector (11320325) – $31.99
What types of Air Intakes do you sell for my 2003 Infiniti QX4?
As of 3/1/26, these are some of the most in-demand types of Air Intakes for a 2003 Infiniti QX4:
Can I get help with 2003 Infiniti QX4 Air Intake orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Infiniti Air Intakes and more.
What is your return policy for Infiniti QX4 Air Intakes?
Advance Auto Parts keeps returns simple. For new Infiniti QX4 Air Intakes and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
