2004 Chevrolet Trailblazer Ext Air Injection Parts

Keep Your 2004 Chevrolet Trailblazer Ext in Top Shape with Quality Air Injection Parts

Whether you’re repairing or upgrading your Air Injection Part, using high-quality parts is key to keeping your 2004 Chevrolet Trailblazer Ext looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Air Injection Bypass Valve Solenoid Connector, Fuel Injection Idle Speed Stabilizer Connectors, and Secondary Air Injection Relays. 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.

Competitive Prices and Extensive Inventory

The average price for a 2004 Chevrolet Trailblazer Ext Air Injection Part at Advance Auto Parts is around $81.71, with a range that starts at $15.79 and goes up to $181.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Electrical Relay, Multi-Purpose Wire Connector, and Multi-Use Connector start at just $15.79 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Air Injection Part, 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 2004 Chevrolet Trailblazer Ext in peak condition, inside and out.

Essential 2004 Chevrolet Trailblazer Ext Air Injection Parts

ACDelco – Multi-Purpose Pigtail (Part No.PT2195)

Multi-Purpose Pigtail

from

$181.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT1116)

Multi-Purpose Pigtail

from

$86.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

Carquest Premium – Multi-Use Connector (Part No.PTC2528)

Multi-Use Connector

from

$138.99
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.
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1749)

Multi-Use Connector

from

$28.99
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

Driveworks – Electrical Relay (Part No.83267)

Electrical Relay

from

$15.79
Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

GM Genuine Parts – Multi-Purpose Wire Connector (Part No.PT2784)

Multi-Purpose Wire Connector

from

$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

Most Popular Air Injection Bypass Valve Solenoid Connector for 2004 Chevrolet Trailblazer Exts

Enhance your 2004 Chevrolet Trailblazer Ext with this popular Air Injection Bypass Valve Solenoid Connector we have in stock, for $37.49.

GM Genuine Parts – Multi-Purpose Wire Connector (Part No.PT2784)

Multi-Purpose Wire Connector

from

$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

Best-Selling 2004 Chevrolet Trailblazer Ext Fuel Injection Idle Speed Stabilizer Connector

Upgrade your Trailblazer Ext with our best-selling Fuel Injection Idle Speed Stabilizer Connector.

Carquest Premium – Multi-Use Connector (Part No.PTA1749)

Multi-Use Connector

from

$28.99
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

Top-Quality Secondary Air Injection Relays for 2004 Chevrolet Trailblazer Exts

Choose a high-quality OEM or aftermarket Secondary Air Injection Relay for Chevrolet Trailblazer Exts and enjoy top-notch performance from $15.79.

Driveworks – Electrical Relay (Part No.83267)

Electrical Relay

from

$15.79
Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

Top Picks for 2004 Chevrolet Trailblazer Ext Secondary Air Injection Pump Connectors

Invest in one of our 3 durable Secondary Air Injection Pump Connectors for your 2004 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

ACDelco – Multi-Purpose Pigtail (Part No.PT2195)

Multi-Purpose Pigtail

from

$181.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

Carquest Premium – Multi-Use Connector (Part No.PTC2528)

Multi-Use Connector

from

$138.99
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.
See More

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT1116)

Multi-Purpose Pigtail

from

$86.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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
See More

FAQs for 2004 Chevrolet Trailblazer Ext Air Injection Parts

What are the best-selling Air Injection Parts for 2004 Chevrolet Trailblazer Exts?

Out of 6 Air Injection Parts that fit 2004 Chevrolet Trailblazer Exts, the following parts are the top sellers:

What’s the price range for 2004 Chevrolet Trailblazer Ext Air Injection Parts?

The prices of Air Injection Parts for the 2004 Chevrolet Trailblazer Ext range from $15.79 up to $181.99 for the most premium parts.

What is the average price of an Air Injection Part for a 2004 Chevrolet Trailblazer Ext?

The average price for Air Injection Parts for the 2004 Chevrolet Trailblazer Ext is $81.71. Keep in mind the variety of part types within our Air Injection Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Injection Parts for other Chevrolet Trailblazer Ext model years?

Yes, we carry Air Injection Parts for 3 model years of Chevrolet Trailblazer Exts between 2002 and 2006. The following model years are the most popular for Air Injection Part purchases: 2006, 2005, 2003, and 2002.

What are the cheapest Air Injection Parts for my 2004 Chevrolet Trailblazer Ext?

The cheapest 2004 Chevrolet Trailblazer Ext Air Injection Parts we carry are:

Does Advance Auto Parts sell Air Injection Parts for any other 2004 Chevrolet models?

Yes. We stock Air Injection Parts for 28 other popular 2004 Chevrolet models. Some of the most popular are 2004 Tahoe Air Injection Parts, 2004 Impala Air Injection Parts, 2004 Silverado 1500 Air Injection Parts, 2004 Malibu Air Injection Parts, and 2004 Suburban 1500 Air Injection Parts.

What are the top-rated Air Injection Parts that fit the 2004 Chevrolet Trailblazer Ext?

The one 2004 Chevrolet Trailblazer Ext Air Injection Part we have in stock is the Electrical Relay. It costs $15.79.

What types of Air Injection Parts do you sell for my 2004 Chevrolet Trailblazer Ext?

As of 11/2/25, these are some of the most in-demand types of Air Injection Parts for a 2004 Chevrolet Trailblazer Ext:

Can I get help with 2004 Chevrolet Trailblazer Ext Air Injection Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Air Injection Parts and more.

What is your return policy for Chevrolet Trailblazer Ext Air Injection Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Trailblazer Ext Air Injection Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.