2001 GMC Sierra 2500 HD Fuel Injectors

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Keep Your 2001 GMC Sierra 2500 HD 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 2001 GMC Sierra 2500 HD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injector Gaskets, Fuel Injector Seal Kits, and Fuel Injector O-Ring Kits. 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 Delphi, Hitachi, and Mahle. For example, Delphi Fuel Injectors start at just $146.99 with an average 4.2 star rating. Hitachi and Mahle offer similar pricing and quality, backed by strong customer feedback. With over 177 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Sierra 2500 HD owners approve.

Explore Related Parts

While you’re upgrading or replacing your Fuel Injector, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2001 GMC Sierra 2500 HD in peak condition, inside and out.

Essential 2001 GMC Sierra 2500 HD Fuel Injectors

Carquest Premium – Fuel Injector Sleeve (Part No.AC20462)

Fuel Injector Sleeve

from

$41.99
Product Features:
  • Original equipment fit, form and function
  • Includes premium OE quality o-rings
See More

Dorman – Injector Cup and O-rings (Part No.904-120)

Injector Cup and O-rings

from

$43.99
This fuel injector sleeve is a direct replacement for an original equipment part. Made of quality materials, this part has undergone try-on testing to ensure a quality fit and a long service life.

Product Features:
  • Ideal replacement – this fuel injector sleeve is a direct replacement for the original equipment part on specified engines
  • Durable construction – this part is made from quality materials to resist damage from fuel and extreme temperatures
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

Dorman – Fuel Injector O-Ring Kit (Part No.904-135)

Fuel Injector O-Ring Kit

from

$35.99
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

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73217)

Fuel Injector O-Ring Kit

from

$27.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Bosch – Diesel Fuel Injector: Remanufactured (Part No.0986435504)

Diesel Fuel Injector: Remanufactured

from

$394.99
Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.End of line testing using the exact OE test specifications.Guaranteed to provide OE performance and meet all emission specifications.Continuous improvement, manufactured with the latest upgrades to components and specifications.

Product Features:
  • 100% of injectors are end of line tested using the exact OE test specifications and equipment
  • Manufactured with the latest OE updates, so they can often be superior to the parts they replace
  • Manufactured using all OE tools and processes
  • Guaranteed to provide OE performance
See More

Dorman – Remanufactured Diesel Fuel Injector (Part No.502-513)

Remanufactured Diesel Fuel Injector

from

$822.99
This common rail diesel fuel injector has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing.

Product Features:
  • Ideal replacement – this remanufactured common rail fuel injector restores lost performance from a fouled original equipment injector
  • Thoroughly remanufactured – this fuel injector has been completely disassembled, cleaned, inspected, reassembled with new internal components and tested to be leak-free
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

Bosch – Diesel Fuel Injector Pump Pressure Relief Valve (Part No.1110010036)

Diesel Fuel Injector Pump Pressure Relief Valve

from

$158.99
Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.End of line testing using the exact OE test specifications.Guaranteed to provide OE performance and meet all emission specifications. Continuous improvement, manufactured with the latest upgrades to components and specifications.

Product Features:
  • Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
  • End of line testing using the exact OE test specifications.
  • Guaranteed to provide OE performance and meet all emission specifications.
  • Continuous improvement, remanufactured with the latest upgrades to components and specifications.
See More

Bosch – Metering Unit (Part No.1462C00998)

Metering Unit

from

$129.99
Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:
  • Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
  • End of line testing using the exact OE test specifications.
  • Guaranteed to provide OE performance and meet all emission specifications.
  • Continuous improvement, manufactured with the latest upgrades to components and specifications.
See More

Dorman – Fuel Control Actuator (Part No.904-572)

Fuel Control Actuator

from

$305.99
This fuel pressure regulator is engineered to match the function of the original equipment regulator on specified vehicles. It is engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.

Product Features:
  • Direct replacement – this fuel pressure regulator is designed to match the fit and function of the original equipment regulator on specified vehicle
  • Ideal solution – engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning
  • 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

Delphi – Fuel Injection Pressure Regulator (Part No.FP10021)

Fuel Injection Pressure Regulator

from

$95.99
Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. 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:
  • 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
See More

GM Genuine Parts – Fuel Injector Retainer Kit with Clip (Part No.12570620)

Fuel Injector Retainer Kit with Clip

from

$13.79
GM Genuine Parts Fuel Injector and Insulator Retainer Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Felpro – Fuel Injection Plenum Gasket Set (Part No.72764)

Fuel Injection Plenum Gasket Set

from

$6.79
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:
  • Each upper intake manifold gasket is built to meet or exceed all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Carquest Premium – Fuel Return Line Gasket Kit (Part No.AC20302)

Fuel Return Line Gasket Kit

from

$20.99
Complete kit includes banjo bolt seals to reseal injector fuel return rail manifold on Duramax LB7 engines.

Product Features:
  • Original equipment fit, form and function
  • Includes 4 fuel return rail banjo bolt seals
  • Includes 1 return fitting banjo bolt seal
See More

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61824)

Fuel Injection Throttle Body Mounting Gasket

from

$15.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AC20522)

Fuel Injector Seal Kit

from

$8.99
Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:
  • Premium OE quality materials
  • Includes injector body O-ring
  • Includes copper combustion seal
  • Includes fuel return line clip
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS063)

Fuel Injector Seal Kit

from

$34.99
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. Use CARQUEST tool kit ATK-001 or equivalent for proper installation of combustion seal.

Product Features:
  • Premium OE quality materials
  • Includes four upper O-rings
  • Includes four body seals
  • Includes four combustion seals
  • Includes four retainer clips
See More

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33500A)

Fuel Injection Nozzle O-Ring Kit

from

$9.29
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
See More

Dorman – Diesel Fuel Cooler (Part No.904-180)

Diesel Fuel Cooler

from

$241.99
This fuel cooler is designed to match the fit and function of the original cooler on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel cooler is designed to match the fit and function of the original cooler on specified vehicles
  • Restores functionality – reliable replacement for an original cooler that has failed due to collision, road debris or corrosion
  • 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
See More

GM Genuine Parts – Mass Airflow Sensor (Part No.213-4115)

Mass Airflow Sensor

from

$348.99
GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are key parts of the engine management system, and are GM-recommended replacements for your vehicle’s original components. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient airfuel mixture for the best fuel economy and power. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50026)

Remanufactured Mass Air Flow Sensor

from

$99.99
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 percent 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 percent 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 percent 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 percent.
See More

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6358)

New Mass Air Flow Sensor - Sensor Only

from

$90.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Delphi – Mass Air Flow Sensor (Part No.AF10146)

Mass Air Flow Sensor

from

$235.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

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
See More

Hitachi – Mass Air Flow Sensor (Part No.MAF0081)

Mass Air Flow Sensor

from

$145.99
Hitachi¿s Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachi¿s air flow sensors the premium choice.

Product Features:
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
  • Contaminant bypass port provides reliable operation and increases longevity
  • Contaminant bypass port provides reliable operation and increases longevity
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1096)

Multi-Use Connector

from

$44.99
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.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Most Popular Fuel Injector Gaskets for 2001 GMC Sierra 2500 HDs

Enhance your 2001 GMC Sierra 2500 HD with one of the 2 Fuel Injector Gaskets we have in stock, starting at just $20.99.

Dorman – Diesel Fuel Rail Return Line Gaskets (Part No.904-103)

Diesel Fuel Rail Return Line Gaskets

from

$22.99
This fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles. It’s made of quality components for reliable performance.

Product Features:
  • Direct replacement – this fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that are leaking or have failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Carquest Premium – Fuel Return Line Gasket Kit (Part No.AC20302)

Fuel Return Line Gasket Kit

from

$20.99
Complete kit includes banjo bolt seals to reseal injector fuel return rail manifold on Duramax LB7 engines.

Product Features:
  • Original equipment fit, form and function
  • Includes 4 fuel return rail banjo bolt seals
  • Includes 1 return fitting banjo bolt seal
See More

Best-Selling 2001 GMC Sierra 2500 HD Fuel Injector Seal Kits

Upgrade your Sierra 2500 HD with one of our 2 best-selling Fuel Injector Seal Kits, earning an average 5 stars rating across 3 reviews.

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33500A)

Fuel Injection Nozzle O-Ring Kit

from

$9.29
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
See More

GM Genuine Parts – Fuel Injector O-Ring Kit with Assorted O-Rings (Part No.217-1588)

Fuel Injector O-Ring Kit with Assorted O-Rings

from

$29.99
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide liquid-tight connections between the fuel injector and related components. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps provide a seal to prevent fuel leaks
  • Helps seal combustion chamber from the elements
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Top-Quality Fuel Injector O-Ring Kits for 2001 GMC Sierra 2500 HDs

Choose a high-quality OEM or aftermarket Fuel Injector O-Ring Kit for GMC Sierra 2500 HDs and enjoy top-notch performance from $3.99.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

Fuel Injector Seal Kit

from

$3.99
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:
  • Premium OE quality materials
  • Services one injector
See More

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73217)

Fuel Injector O-Ring Kit

from

$27.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AC20552)

Fuel Injector Seal Kit

from

$34.99
Complete injector seal kit includes all necessary components to properly reseal four injectors on one bank of the Duramax LB7 engine.

Product Features:
  • Premium OE quality materials
  • Includes 4 injector body O-rings
  • Includes 4 injector fuel fitting O-rings
  • Includes 4 copper combustion seals
  • Includes 4 fuel return rail banjo bolt seals
  • Includes 1 return fitting banjo bolt seal
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AC20512)

Fuel Injector Seal Kit

from

$15.99
Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:
  • Premium OE quality materials
  • Includes injector body O-ring
  • Includes injector fuel fitting O-ring
  • Includes copper combustion seal
See More

Dorman – Fuel Injector O-Ring Kit (Part No.904-133)

Fuel Injector O-Ring Kit

from

$13.99
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

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Top Picks for 2001 GMC Sierra 2500 HD Air Flow Meters and Mass Air

Invest in one of our 7 durable Air Flow Meters and Mass Air for your 2001 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Delphi – Mass Air Flow Sensor (Part No.AF10043)

Mass Air Flow Sensor

from

$146.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

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
See More

Hitachi – Mass Air Flow Sensor (Part No.MAF0081)

Mass Air Flow Sensor

from

$145.99
Hitachi¿s Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachi¿s air flow sensors the premium choice.

Product Features:
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
  • Contaminant bypass port provides reliable operation and increases longevity
  • Contaminant bypass port provides reliable operation and increases longevity
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
See More

Carquest Premium – New Mass Air Flow Sensor – Complete Assembly (Part No.MQ7202)

New Mass Air Flow Sensor - Complete Assembly

from

$92.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6223)

New Mass Air Flow Sensor - Sensor Only

from

$94.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

GM Genuine Parts – Mass Airflow Sensor (Part No.213-4115)

Mass Airflow Sensor

from

$348.99
GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are key parts of the engine management system, and are GM-recommended replacements for your vehicle’s original components. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient airfuel mixture for the best fuel economy and power. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50026)

Remanufactured Mass Air Flow Sensor

from

$99.99
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 percent 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 percent 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 percent 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 percent.
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Delphi – Mass Air Flow Sensor (Part No.AF10146)

Mass Air Flow Sensor

from

$235.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

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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Top-Rated Fuel Injectors for 2001 GMC Sierra 2500 HDs

Make a smart move for your 2001 GMC Sierra 2500 HD with products all priced from $59.99 to $1,018.00.

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A211-1803)

Remanufactured Multi Port Fuel Injector

from

$75.99
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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ACDelco – Multi-Port Fuel Injector (Part No.17113698)

Multi-Port Fuel Injector

from

$114.99
ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine’s intake manifold or cylinders for combustion, and are GM-recommended replacements for your vehicle’s original components. The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, causing the needle valve to open, and allowing pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Atomizes fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
  • Allows for a quick throttle response
  • Assists in cold engine starts
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Remanufactured Diesel Fuel Injector (Part No.AD25023)

Remanufactured Diesel Fuel Injector

from

$264.99
CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes 100% replacement of the fuel fitting, edge filter and retaining pin to ensure a leak-free connection
  • Includes 100% new stator solenoid to ensure precise fuel injection timing
  • Includes 100% replacement of nozzle to ensure accurate and precise injection under all operating parameters
  • Includes all new premium quality O-rings and seals
  • Includes copper combustion gasket
  • Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation
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Bosch – Diesel Fuel Injector: Remanufactured (Part No.0986435502)

Diesel Fuel Injector: Remanufactured

from

$295.99
Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks. End of line testing using the exact OE test specifications. Guaranteed to provide OE performance and meet all emission specifications. Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • 100% of injectors are end of line tested using the exact OE test specifications and equipment
  • Manufactured with the latest OE updates, so they can often be superior to the parts they replace
  • Manufactured using all OE tools and processes
  • Guaranteed to provide OE performance
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Carquest Premium – Reman Diesel Fuel Injector – 4 Pack (Part No.AD25023-4PK)

Reman Diesel Fuel Injector - 4 Pack

from

$1018.00
Carquest premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is tested on a sophisticated flow bench under multiple operating parameters. This Carquest four-pack kit includes four cylinder-specific high-pressure fuel lines that should be replaced any time the injector is replaced. Replacing all four injectors at the same time with the fuel lines ensures a complete repair and reduces the chance premature injector failure due to contamination from the fuel line. This injector four-pack offers savings over purchasing single injectors and components separately.

Product Features:
  • Includes four premium injectors and four fuel injector high-pressure lines
  • Each unit is 100% tested to OE specifications
  • Includes 100% replacement of the fuel fitting, edge filter and retaining pin to ensure a leak-free connection
  • Includes 100% new stator solenoid to ensure precise fuel injection timing
  • Includes 100% replacement of nozzle to ensure accurate and precise injection under all operating parameters
  • Includes all new premium quality o-rings and seals
  • Includes copper combustion seal
  • Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation
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Carquest Premium – Reman Multi Port Fuel Injector – 8 Pack (Part No.A211-1803-8PK)

Reman Multi Port Fuel Injector - 8 Pack

from

$479.99
The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

Product Features:
  • Includes eight premium fuel injectors
  • 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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Delphi – Fuel Injector (Part No.EX631045)

Fuel Injector

from

$397.99
Delphi knows OE technology and how to service diesel systems. For more than 60 years, we have partnered with 25 OEM’s to bring our OE diesel powertrain knowledge and expertise to the aftermarket. Delphi diesel systems operate at high performance to meet today’s tough emissions standards and are built to OE specifications for the fit, form, and function technicians expect. Trust Delphi for an unrivalled, cost-effective diesel program to help build your business.

Product Features:
  • 100% O Ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
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Dorman – Remanufactured Diesel Fuel Injector (Part No.502-511)

Remanufactured Diesel Fuel Injector

from

$303.99
This common rail diesel fuel injector has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing.

Product Features:
  • Ideal replacement – this remanufactured common rail fuel injector restores lost performance from a fouled original equipment injector
  • Thoroughly remanufactured – this fuel injector has been completely disassembled, cleaned, inspected, reassembled with new internal components and tested to be leak-free
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Delphi – Fuel Injector (Part No.FJ10062)

Fuel Injector

from

$165.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • 100% O Ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
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Delphi – Fuel Injector (Part No.FJ10494)

Fuel Injector

from

$139.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • 100% O Ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A211-1843)

Remanufactured Multi Port Fuel Injector

from

$59.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly 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.

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
See More

Top-Rated Fuel Injector Brands For Your 2001 GMC Sierra 2500 HD

When it comes to finding the perfect Fuel Injector for your 2001 GMC Sierra 2500 HD, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Fuel Injector brands including Hitachi, Mahle, and Delphi, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $9.29. Purchasing a Fuel Injector from us here at Advance Auto Parts is a smart move for both you and your 2001 GMC Sierra 2500 HD, providing peace of mind with parts that meet or exceed OEM standards.

Popular Hitachi 2001 GMC Sierra 2500 HD Fuel Injectors

If you’re looking for a top-quality Fuel Injector for your 2001 GMC Sierra 2500 HD, Advance Auto Parts has exactly what you need with our selection of Hitachi Fuel Injectors. We have 1 Hitachi Fuel Injectors in stock for this fitment, all known for their durability and precision fit. With prices starting at just $145.99, you’ll find the perfect Fuel Injector for your needs and budget. Hitachi Fuel Injectors for the 2001 GMC Sierra 2500 HD come highly rated, with over 2 customer reviews and an impressive average rating of 4.5 stars. Choosing a Hitachi Fuel Injector from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Mass Air Flow Sensor
from $145.99
(2)
Mass Air Flow Sensor
“Fixed issue on duramax lly. Had aftermarket one in previously and it failed in a few months. Oem works best”

Top-Quality Mahle 2001 GMC Sierra 2500 HD Fuel Injectors

For those in search of a high-quality Fuel Injector for their 2001 GMC Sierra 2500 HD, Advance Auto Parts offers a great selection of Mahle Fuel Injectors. With 1 Mahle 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 $9.29, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.5 stars, Mahle Fuel Injectors provide both reliability and excellent performance. Choosing a Mahle Fuel Injector from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Fuel Injection Nozzle O-Ring Kit
from $9.29
(2)
Fuel Injection Nozzle O-Ring Kit
“What i needed and installed easily”

FAQs for 2001 GMC Sierra 2500 HD Fuel Injectors

What are the best-selling Fuel Injectors for 2001 GMC Sierra 2500 HDs?

Out of 40 Fuel Injectors that fit 2001 GMC Sierra 2500 HDs, the following parts are the top sellers:

What’s the price range for 2001 GMC Sierra 2500 HD Fuel Injectors?

The prices of Fuel Injectors for the 2001 GMC Sierra 2500 HD range from $3.99 up to $2,866.99 for the most premium parts.

What is the average price of a Fuel Injector for a 2001 GMC Sierra 2500 HD?

The average price for Fuel Injectors for the 2001 GMC Sierra 2500 HD is $183.75. 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 GMC Sierra 2500 HD model years?

Yes, we carry Fuel Injectors for 23 model years of GMC Sierra 2500 HDs between 2002 and 2025. The following model years are the most popular for Fuel Injector purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel Injectors for my 2001 GMC Sierra 2500 HD?

The cheapest 2001 GMC Sierra 2500 HD Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 2001 GMC models?

Yes. We stock Fuel Injectors for 16 other popular 2001 GMC models. Some of the most popular are 2001 Yukon Fuel Injectors, 2001 Sierra 1500 Fuel Injectors, 2001 Yukon XL 1500 Fuel Injectors, 2001 Yukon XL 2500 Fuel Injectors, and 2001 Savana 1500 Fuel Injectors.

What are the top-rated Fuel Injectors that fit the 2001 GMC Sierra 2500 HD?

The one 2001 GMC Sierra 2500 HD Fuel Injector we have in stock is the Fuel Injector Seal Kit. It costs $3.99.

What types of Fuel Injectors do you sell for my 2001 GMC Sierra 2500 HD?

As of 3/1/26, these are some of the most in-demand types of Fuel Injectors for a 2001 GMC Sierra 2500 HD:

Can I get help with 2001 GMC Sierra 2500 HD Fuel Injector orders?

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

What is your return policy for GMC Sierra 2500 HD Fuel Injectors?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.