Cadillac STS Fuel Injectors

Your One-Stop Shop For Trusted Cadillac STS Fuel Injectors

If you’re in search of Cadillac STS Fuel Injectors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 42 Fuel Injectors from top brands with prices ranging from $5.99 to $149.99.

Beyond great prices, we stock trusted brands manufacturing all types of Fuel Injectors for your Cadillac STS.

And don’t forget to read customer reviews across all Fuel Injectors categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Fuel Injectors have to cost top dollar, and we prove it. Browse our top Cadillac STS Fuel Injectors below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Cadillac STS Fuel Injectors

Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
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MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33590)

Fuel Injection Nozzle O-Ring Kit

from

$24.99
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
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Felpro – Fuel Injection Plenum Gasket Set (Part No.MS 97242)

Fuel Injection Plenum Gasket Set

from

$51.99
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES: Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES: Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE: Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED: Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR: Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-3564)

Reman Multi Port Fuel Injector

from

$51.99
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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GM Genuine Parts – Indirect Fuel Injector Assembly (Part No.12669384)

Indirect Fuel Injector Assembly

from

$149.99
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:
  • 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 Fuel Injector (Part No.A211-2003)

Remanufactured Fuel Injector

from

$51.99
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.217-1552)

Multi-Port Fuel Injector

from

$79.99
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:
  • 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 – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6262)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$75.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7391)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$109.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Delphi – Mass Air Flow Sensor (Part No.AF10465)

Mass Air Flow Sensor

from

$101.99
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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Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10110)

Remanufactured Mass Air Flow Sensor

from

$95.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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GM Genuine Parts – Fuel Pressure Relief Valve Cap (Part No.214-1044)

Fuel Pressure Relief Valve Cap

from

$6.29
GM Genuine Parts Fuel Pressure Relief Valve Caps 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:
  • 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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GM Genuine Parts – Fuel Injector O-Ring Kit with Hardware for 3 Injectors (Part No.12644934)

Fuel Injector O-Ring Kit with Hardware for 3 Injectors

from

$93.99
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
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Carquest Premium – Injector Seal Kit (Part No.AS079)

Injector Seal Kit

from

$26.99
Product Features:
  • Premium OE quality materials
  • Includes upper o-ring
  • Includes nylon split ring
  • Includes combustion seal
  • Includes retainer clip
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ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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GM Genuine Parts – Fuel Injector O-Ring Kit with Hardware for 3 Injectors (Part No.217-3096)

Fuel Injector O-Ring Kit with Hardware for 3 Injectors

from

$74.99
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
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

Fuel Injector Seal Kit

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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal (Part No.AS057)

Fuel Injector Seal

from

$12.99
Product Features:
  • Premium OE quality materials
  • Includes upper o-ring
  • Includes nylon split ring
  • Includes combustion seal
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Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10012-01)

Fuel Injector O-Ring Kit

from

$5.99
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.
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Felpro – Fuel Injector O-Ring Kit (Part No.ES 73133)

Fuel Injector O-Ring Kit

from

$40.99
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
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Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Fuel Injector O-Ring Kit

from

$8.49
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

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.
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Fuel Injectors Brands You Can Trust For Your Cadillac STS

12 trusted brands of Fuel Injectors line our shelves, ready to help keep your Cadillac STS running smooth. Below are some of the most popular brands and their top Fuel Injectors offerings:

Popular Hitachi Fuel Injectors

Hitachi products for the Cadillac STS span several categories. Some of the highest-rated Hitachi Fuel Injectors that will fit your Cadillac STS are:
Air Flow Sensor - New Actual OE Part
from $69.99
(14)
Air Flow Sensor – New Actual OE Part
Air Flow Meters and Mass Air

Top Cadillac STS Fuel Injectors from Felpro

Your Cadillac STS will be purring again thanks to Felpro brand Fuel Injectors available for online order or in-store pick up. Popular Felpro parts include:
Fuel Injector O-Ring Kit
from $8.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

Most Purchased Cadillac STS Fuel Injectors from Hitachi

When you buy the most frequently purchased Hitachi brand Fuel Injectors, you can be confident it will be the right part for your Cadillac STS. Here are the Hitachi Fuel Injectors Advanced Auto customers buy the most:
Air Flow Sensor - New Actual OE Part
from $69.99
(14)
Air Flow Sensor – New Actual OE Part
Air Flow Meters and Mass Air
Fuel Injector O-Ring Kit
from $8.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits
Indirect Fuel Injector Assembly
from $149.99
This product is not rated
Indirect Fuel Injector Assembly
Fuel Injectors

FAQs for Cadillac STS Fuel Injectors

What are the most purchased Fuel Injectors for the Cadillac STS?

Out of 42 Fuel Injectors for the Cadillac STS, the most popular in our inventory are:
Fuel Injector Seal Kit
from $8.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector Seal Kits
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
from $9.99
This product is not rated
Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings
Fuel Injector Seal Kits
Fuel Injector Seal Kit
from $9.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector Seal Kits

What are the top-rated Cadillac STS Fuel Injectors?

Top-rated Fuel Injectors for your Cadillac STS based on customer reviews/ratings are:
Mass Air Flow Sensor
from $79.99
(6)
Mass Air Flow Sensor
“2007 GMC Envoy with P0171 lean on bank 1 code. Easy fix, been in for a week and code has not come back.”
Remanufactured Mass Air Flow Sensor
from $95.99
(2)
Remanufactured Mass Air Flow Sensor
“It works great. I m Happy now”
Remanufactured Mass Air Flow Sensor
from $76.99
(2)
Remanufactured Mass Air Flow Sensor
“[…] easy to install with 2 screws, worked as specified. Pretty much a replacement part. Only in use for 1 week, so I cannot comment on long term rel”