2003 Isuzu NPR Fuel Injectors

Keep Your 2003 Isuzu NPR in Top Shape with Quality Fuel Injectors

Whether you’re repairing or upgrading your Fuel Injector, using high-quality parts is key to keeping your 2003 Isuzu NPR looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injector O-Ring Kits and Pressure Regulators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Fuel Injectors from Trusted Brands

Looking for a reliable Fuel Injector? We’ve got you covered with options from brands you know and trust like Carquest and Dorman. For example, Carquest Fuel Injectors start at just $82.99 with an average 4.4 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 25 reviews and a solid 5 star average, you can shop with confidence knowing other Isuzu NPR owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Isuzu NPR Fuel Injector at Advance Auto Parts is around $62.76, with a range that starts at $21.29 and goes up to $83.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Fuel Injector O-Ring Seal Kit and Fuel Injection Pressure Regulator start at just $21.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fuel Injector, don’t forget to check out other key components like Fuel Pumps and Vapor Canister Purge Valves. At Advance Auto Parts, we’re here to help you keep your 2003 Isuzu NPR in peak condition, inside and out.

Essential 2003 Isuzu NPR Fuel Injectors

Dorman – Help – Fuel Injector O-Ring Seal Kit (Part No.90000)

Fuel Injector O-Ring Seal Kit

from

$21.29
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
  • 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
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Carquest – Fuel Injection Pressure Regulator (Part No.24027)

Fuel Injection Pressure Regulator

from

$82.99
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
  • Application-specific to ensure the proper fit and form
  • Precision-engineered pressure regulators for proper fuel delivery and engine performance
  • As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1070)

Fuel Injection Pressure Regulator

from

$83.99
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 OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:
  • Application matched components ensure fuel injection system meets all emission regulations.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1404)

Fuel Injection Pressure Regulator

from

$67.99
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.

Product Features:
  • Premium quality materials for longer service life
  • 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
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Most Popular Fuel Injector O-Ring Kit for 2003 Isuzu NPRs

Enhance your 2003 Isuzu NPR with this popular Fuel Injector O-Ring Kit we have in stock, for $21.29.

Dorman – Help – Fuel Injector O-Ring Seal Kit (Part No.90000)

Fuel Injector O-Ring Seal Kit

from

$21.29
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
  • 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
See More

Best-Selling 2003 Isuzu NPR Pressure Regulators

Upgrade your NPR with one of our 2 best-selling Pressure Regulators, earning an average 4.5 stars rating across 21 reviews.

Carquest – Fuel Injection Pressure Regulator (Part No.24027)

Fuel Injection Pressure Regulator

from

$82.99
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
  • Application-specific to ensure the proper fit and form
  • Precision-engineered pressure regulators for proper fuel delivery and engine performance
  • As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1070)

Fuel Injection Pressure Regulator

from

$83.99
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 OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:
  • Application matched components ensure fuel injection system meets all emission regulations.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
See More

Top-Rated Fuel Injector Brands For Your 2003 Isuzu NPR

When it comes to finding the perfect Fuel Injector for your 2003 Isuzu NPR, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Fuel Injector brands including Carquest and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $21.29. Purchasing a Fuel Injector from us here at Advance Auto Parts is a smart move for both you and your 2003 Isuzu NPR, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest 2003 Isuzu NPR Fuel Injectors

If you’re looking for a top-quality Fuel Injector for your 2003 Isuzu NPR, Advance Auto Parts has exactly what you need with our selection of Carquest Fuel Injectors. We have 1 Carquest Fuel Injectors in stock for this fitment, all known for their durability and precision fit. With prices starting at just $82.99, you’ll find the perfect Fuel Injector for your needs and budget. Carquest Fuel Injectors for the 2003 Isuzu NPR come highly rated, with over 21 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Fuel Injector from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Fuel Injection Pressure Regulator
from $82.99
(21)
Fuel Injection Pressure Regulator
“Works and fit as expected.”

Top-Quality Dorman 2003 Isuzu NPR Fuel Injectors

For those in search of a high-quality Fuel Injector for their 2003 Isuzu NPR, Advance Auto Parts offers a great selection of Dorman Fuel Injectors. With 1 Dorman Fuel Injectors in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Fuel Injectors start at just $21.29, giving you a range of options to suit your budget. Backed by over 4 customer ratings and an average rating of 4.2 stars, Dorman Fuel Injectors provide both reliability and excellent performance. Choosing a Dorman Fuel Injector from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Fuel Injector O-Ring Seal Kit
from $21.29
(4)
Fuel Injector O-Ring Seal Kit
“Only needed the o rings for the fuel lines but still bought the whole kit incase I needed it. O rings were same color as factory, so it made it easy t”

FAQs for 2003 Isuzu NPR Fuel Injectors

What are the best-selling Fuel Injectors for 2003 Isuzu NPRs?

Out of 3 Fuel Injectors that fit 2003 Isuzu NPRs, the following parts are the top sellers:

What’s the price range for 2003 Isuzu NPR Fuel Injectors?

The prices of Fuel Injectors for the 2003 Isuzu NPR range from $21.29 up to $83.99 for the most premium parts.

What is the average price of a Fuel Injector for a 2003 Isuzu NPR?

The average price for Fuel Injectors for the 2003 Isuzu NPR is $62.76. Keep in mind the variety of part types within our Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Injectors for other Isuzu NPR model years?

Yes, we carry Fuel Injectors for 24 model years of Isuzu NPRs between 1993 and 2018. The following model years are the most popular for Fuel Injector purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Fuel Injectors for my 2003 Isuzu NPR?

The cheapest 2003 Isuzu NPR Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 2003 Isuzu models?

Yes. We stock Fuel Injectors for 2 other popular 2003 Isuzu models. Some of the most popular are 2003 Ascender Fuel Injectors, 2003 Axiom Fuel Injectors, and 2003 NPR-HD Fuel Injectors.

What are the top-rated Fuel Injectors that fit the 2003 Isuzu NPR?

Based on 25 reviews by customers, our 2003 Isuzu NPR Fuel Injectors have an average customer rating of 5 stars. These are the highest-rated categories of Fuel Injectors for the 2003 Isuzu NPR and their top-rated products:

What types of Fuel Injectors do you sell for my 2003 Isuzu NPR?

As of 11/2/25, these are some of the most in-demand types of Fuel Injectors for a 2003 Isuzu NPR:

Can I get help with 2003 Isuzu NPR Fuel Injector orders?

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

What is your return policy for Isuzu NPR Fuel Injectors?

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