Cadillac STS Ignition and Tune-Up Products

Essential Cadillac STS Ignition and Tune-Up Products

Felpro – Spark Plug Tube Seal Set (Part No.ES 72393)

Spark Plug Tube Seal Set

from

$52.99
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
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Carquest – Engine Camshaft Position Sensor Connector (Part No.PT175)

Engine Camshaft Position Sensor Connector

from

$14.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our Canister Purge valves meet or exceed original equipment specifications, providing confidence in every box
  • Featuring industrial grade materials for robust performance
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Melling – Stock Replacement Spark Plug Tube (Part No.MSPT-4)

Stock Replacement Spark Plug Tube

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$11.99
Product Features:
  • Precision engineered for optimum fit and function
  • Manufactured from high quality materials for consistent durable wear
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Sylvania – 194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack (Part No.194LED.BP2)

194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack

from

$23.99
Upgrade your vehicle with ZEVO® LED miniature bulbs for added style, performance, and the many benefits of LEDs. Instantly enhance the interior and exterior lighting applications of your vehicle with a modern bright white light for head-turning style and increased visibility by other motorists. Easy-to-install with a robust design and high-quality components, ZEVO replacement bulbs are backed by a limited warranty to provide exceptional performance through the life of the vehicle. Also available in an array of colors to update your car or truck.

Product Features:
  • HIGH EFFICIENY: Delivers greater clarity with less power consumption and longer bulb life when compared to standard incandescent bulbs
  • RELIABLE: Thermal management to maximize life, matched with robust design that withstands temperature and shock for optimal performance
  • NON-POLARITY DESIGN: Plug & play easy installation; SYLVANIA ZEVO LED bulbs light on two sides and can be installed either direction
  • INSTANT ON: Provide full brightness instantly, giving drivers around you more time to react, compared to the slower light-up with Incandescent bulbs
  • BRIGHT WHITE LIGHT: Ideal for use in Daytime running lights (DRL), back up/reverse, map, dome, trunk, cargo and license plate light bulb replacement
  • HYPERFLASH: For some vehicles, installing a load equalizer may be required to eliminate hyper flash or dashboard error messages
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color.
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application.
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
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Delphi – Ignition Coil (Part No.GN10453)

Ignition Coil

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$86.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.

Product Features:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
  • Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
  • We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
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NGK – Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications (Part No.49015)

Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications

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$95.99
NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 years’ experience and are driven by extreme dedication to innovation, performance and quality. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience. NGK ignition coils have vast coverage including late-model domestic and import vehicles. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist.

Product Features:
  • OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
  • OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
  • EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
  • THE NGK DIFFERENCE: Featuring superior materials and design enhancements
  • EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
  • PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils
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GM Genuine Parts – Ebony Ignition Start/Stop Switch (Part No.D1433G)

Ebony Ignition Start/Stop Switch

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$199.99
GM Genuine Parts Ignition Starter are designed, engineered, and tested to rigorous standards, and are backed by General Motors. It is a multi-position switch that activates the ignition, accessory, and cranking circuits in your vehicle. 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:
  • Work with vehicle electronics to help optimize vehicle capabilities
  • 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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ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-990)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

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$10.99
ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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
  • Copper Core: Designed with a copper core to provide excellent heat transfer and electrical conductivity.
  • Conical Seat Type: Equipped with a conical seat type for a secure fit and optimal performance.
  • Built-in Resistor: Includes a built-in resistor to reduce radio frequency interference and ensure reliable operation.
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NGK – Iridium IX Spark Plug (TR7IX): Extreme Ignitability & Durability (Part No.3690)

Iridium IX Spark Plug (TR7IX): Extreme Ignitability & Durability

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$16.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
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DENSO – Iridium Long-Life Spark Plug: OE Performance, SK20HR11 (Part No.3421)

Iridium Long-Life Spark Plug: OE Performance, SK20HR11

from

$13.99
Engineered to meet the highest OE performance, durability, and emissions standards, this Iridium Long-Life Spark Plug is a game-changer for your vehicle’s ignition system. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode and a platinum ground electrode, it delivers exceptional spark performance and longevity, lasting up to three times longer than conventional plugs. The 360-degree laser welding process ensures a robust bond and structural integrity, even under extreme conditions exceeding 4,000 Deg F. Designed for sustained performance over 100,000 miles, it enhances engine efficiency by providing more horsepower, quicker starts, and fewer misfires, even under heavy loads. Additionally, its advanced design promotes better fuel efficiency, helping you save on costs while reducing emissions. With a flat seat type and premium materials, this spark plug is built to endure and optimize your vehicle’s performance for the long haul.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
  • Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced properties of DENSO’s Iridium alloy.
  • Fuel Efficiency: Experience better conservation of fuel at all times, contributing to overall vehicle efficiency and cost savings.
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GM Genuine Parts – 2-Way Female Gray Multi-Purpose Pigtail (Part No.PT307)

2-Way Female Gray Multi-Purpose Pigtail

from

$29.49
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
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ACDelco – Coil on Spark Plug Boot (Part No.16103)

Coil on Spark Plug Boot

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$14.99
ACDelco Professional Direct Ignition Coil Boots serve as the electrical connection between the coil and the spark plug. They act as insulators, helping keep moisture and contaminants out of the connection, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Weather tight boot seal helps protect from moisture intrusion
  • High temperature resistant silicone helps protect against thermal overload
  • Stainless steel internal spring with resistor suppresses RFI and helps deliver maximum voltage to the spark plug
  • Provides the performance and dependability you expect from ACDelco
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Carquest Premium – Multi-Use Connector (Part No.PTA1598)

Multi-Use Connector

from

$78.99
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
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GM Genuine Parts – 7-Way Female Black Multi-Purpose Pigtail (Part No.PT1371)

7-Way Female Black Multi-Purpose Pigtail

from

$107.99
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
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GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT2786)

Multi-Purpose Pigtail

from

$36.99
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
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Carquest Premium – Multi-Use Connector (Part No.PTA1539)

Multi-Use Connector

from

$80.99
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
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Carquest Premium – Spark Plug Boot: 1 Boot, Meets or Exceeds OE Specifications (Part No.35-7119)

Spark Plug Boot: 1 Boot, Meets or Exceeds OE Specifications

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$6.29
Carquest Premium spark plug boots are engineered to restore ignition boot reliability and performance. They are designed to meet or exceed original equipment (O.E.) specifications for fit, form and function. Our spark plug boots offer excellent heat resistance as well as maximum protection against spark loss. Carquest Premium spark plug boots are built with a durable silicone compound for resistance to high heat and abrasion, resulting in a longer-lasting ignition repair.

Product Features:
  • OE design provides an exact fit for your application
  • Provides excellent heat resistance as well as maximum protection against spark loss
  • Durable silicone compound for resistance to high heat or abrasion
  • Spring included with the spark plug boot
  • Design for direct compatibility
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GM Genuine Parts – Ignition Knock (Detonation) Sensor (Part No.213-4335)

Ignition Knock (Detonation) Sensor

from

$49.99
Ignition Knock (Detonation) Sensors monitor the engine for pinging or spark knock, and are GM-recommended replacements for your vehicle’s original components. These sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses these signals to adjust the ignition timing and air/fuel mixture. These original equipment ignition knock sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Sends signals to the engine control module (ECM) to adjust timing
  • Helps prevent damage to the engine caused by pre-ignition
  • 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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Delphi – Knock Sensor (Part No.AS10262)

Knock Sensor

from

$41.49
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
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Delphi – Knock Sensor (Part No.AS10261)

Knock Sensor

from

$21.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
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NTK – Ignition Knock (Detonation) Sensor (Part No.ID0300)

Ignition Knock (Detonation) Sensor

from

$29.99
The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock or detonation to alter the ignition timing and prevent detonation. A piezoelectric crystal generates a varying voltage based upon engine vibration intensity to delay ignition timing to help prevent severe and costly engine damage. Reasons for replacement include check engine light illumination, engine hesitation, poor fuel economy or failed emissions test.

Product Features:
  • ADVANCED TECHNOLOGY: Manufactured to operation performance standards to meet or exceed OE fit, form, and function to ensure proper ignition timing.
  • INSTALLATION AND SUPPORT: Mounting threads, harness length and wire gauge match OE for easy, worry free installation.
  • THE DIFFERENCE: Reinforced components are used to reduce the chance of part failure and prevent corrosion and moisture penetration. Shielded harness prevents electrical interference.
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Bosch – Knock Sensor (Part No.0261231174)

Knock Sensor

from

$28.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3698)

Ignition Knock (Detonation) Sensor

from

$28.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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GM Genuine Parts – Ignition Knock (Detonation) Sensor (Part No.213-1576)

Ignition Knock (Detonation) Sensor

from

$31.99
Ignition Knock (Detonation) Sensors monitor the engine for pinging or spark knock, and are GM-recommended replacements for your vehicle’s original components. These sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses these signals to adjust the ignition timing and air/fuel mixture. These original equipment ignition knock sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Sends signals to the engine control module (ECM) to adjust timing
  • Helps prevent damage to the engine caused by pre-ignition
  • 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 – Ignition Knock (Detonation) Sensor (Part No.SBA3687)

Ignition Knock (Detonation) Sensor

from

$87.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Helping You Find the Right Ignition and Tune-Up Products for Your Cadillac STS

You love your STS. So we’ve made it easier than ever to help you find Cadillac STS Ignition and Tune-Up Products in our online catalog. Our inventory holds 128 aftermarket and OEM Ignition and Tune-Up Products for your Cadillac STS, ranging from $2.99 to $383.99.

We offer parts from 17 brands trusted to make quality Ignition and Tune-Up Products for your Cadillac STS. Before you buy, take some time to read through customer reviews. We currently have 14,781 reviews of Cadillac STS Ignition and Tune-Up Products from previous customers. Some of the top rated parts include Copper Core Spark Plug: Reliable Performance & Durability with 4.7 stars and Iridium Long-Life Spark Plug: OE Performance, SK20HR11 with 4.8 stars.

Find your STS Ignition and Tune-Up Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Cadillac STS part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Ignition and Tune-Up Products Brands for Your Cadillac STS

Our inventory holds Ignition and Tune-Up Products for your Cadillac STS from 17 trusted brands. You’ll find OEM and aftermarket parts from brands like Autolite, NGK, and ACDelco, all of which can keep that Cadillac happy.

Top-Rated Autolite Ignition and Tune-Up Products

Leading Autolite Ignition and Tune-Up Products

We carry Autolite brand parts for your Cadillac STS across several catalog categories, including Spark Plugs. Some of our most reviewed Autolite parts include:

FAQs for Cadillac STS Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the Cadillac STS?

Out of 128 Ignition and Tune-Up Products for the Cadillac STS, the most popular in our inventory are:

What are the top-rated Cadillac STS Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your Cadillac STS based on customer reviews/ratings are:
Iridium Long-Life Spark Plug: OE Performance, SK20HR11
from $13.99
(104)
Iridium Long-Life Spark Plug: OE Performance, SK20HR11
“Changed original plugs at 50k changed these at 77k. Great parts”