2005 Saturn Relay Ignition Sensors

Keep Your 2005 Saturn Relay in Top Shape with Quality Ignition Sensors

Whether you’re repairing or upgrading your Ignition Sensor, using high-quality parts is key to keeping your 2005 Saturn Relay looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Ignition Knock (Detonation) Sensor Hole Plug and Knock Sensors. 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.

Explore Related Parts

While you’re upgrading or replacing your Ignition Sensor, don’t forget to check out other key components like Ignition Coils and Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 2005 Saturn Relay in peak condition, inside and out.

Essential 2005 Saturn Relay Ignition Sensors

GM Genuine Parts – Multi-Purpose Threaded Plug (Part No.14084945)

Multi-Purpose Threaded Plug

from

$9.99
GM Genuine Parts Multi Purpose Threaded Plugs 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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Dorman – Engine Knock Sensor And Harness Kit (Part No.962-700)

Engine Knock Sensor And Harness Kit

from

$60.99
Check engine light on and vehicle running rough? Could be a failed knock sensor. This ignition knock sensor kit combines both necessary sensors and the wiring harness that joins them for a complete repair in one package.

Product Features:
  • Complete solution – this knock sensor kit includes two knock sensors and the wiring harness that connects them
  • Plug-and-play installation – matches original wiring harness, requiring no cutting or splicing
  • Quality assured – benchmarked against original components for performance and quality
  • Excellent value – original equipment quality at significant cost savings
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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
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3656)

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
See More

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

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.
See More

Most Popular Ignition Knock (Detonation) Sensor Hole Plug for 2005 Saturn Relays

Enhance your 2005 Saturn Relay with this popular Ignition Knock (Detonation) Sensor Hole Plug we have in stock, for $9.99.

GM Genuine Parts – Multi-Purpose Threaded Plug (Part No.14084945)

Multi-Purpose Threaded Plug

from

$9.99
GM Genuine Parts Multi Purpose Threaded Plugs 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
See More

Best-Selling 2005 Saturn Relay Knock Sensors

Upgrade your Relay with one of our 4 best-selling Knock Sensors.

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3656)

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
See More

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

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.
See More

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
See More

FAQs for 2005 Saturn Relay Ignition Sensors

What are the best-selling Ignition Sensors for 2005 Saturn Relays?

Out of 5 Ignition Sensors that fit 2005 Saturn Relays, the following parts are the top sellers:

What’s the price range for 2005 Saturn Relay Ignition Sensors?

The prices of Ignition Sensors for the 2005 Saturn Relay range from $9.99 up to $31.99 for the most premium parts.

What is the average price of an Ignition Sensor for a 2005 Saturn Relay?

The average price for Ignition Sensors for the 2005 Saturn Relay is $24.59. Keep in mind the variety of part types within our Ignition Sensor category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Ignition Sensors for my 2005 Saturn Relay?

The cheapest 2005 Saturn Relay Ignition Sensors we carry are:

Does Advance Auto Parts sell Ignition Sensors for any other 2005 Saturn models?

Yes. We stock Ignition Sensors for 2 other popular 2005 Saturn models. Some of the most popular are 2005 Vue Ignition Sensors, 2005 Ion Ignition Sensors, and 2005 L300 Ignition Sensors.

What types of Ignition Sensors do you sell for my 2005 Saturn Relay?

As of 11/2/25, these are some of the most in-demand types of Ignition Sensors for a 2005 Saturn Relay:

Can I get help with 2005 Saturn Relay Ignition Sensor orders?

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

What is your return policy for Saturn Relay Ignition Sensors?

Advance Auto Parts keeps returns simple. For new Saturn Relay Ignition Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.