Demand authentic OEM GM parts for the exceptional quality and performance requirements of your vehicle. The recommended part 21021879 Knock Sensor is also referred to as GM Knock Sensor. We distribute these components through all certified dealer networks operating across the United States. All products have a 12-month, 12,000-mile warranty. The performance of your vehicle requires original equipment manufacturer components for proper installation. This item fits the following: Saturn SC1, SC2, SL.
This genuine GM manufacturer produces the Part Number: 21021879 as a premium model of Knock Sensor designed to deliver peak engine management in motor vehicles. Such parts exist in New despite being categorized as Direct Replacement and maintain complete suitability for your car's specifications. A GM factory warranty supports this part which reassures customers about its performance as well as its reliability when it comes to engine efficiency maintenance. The knock sensor acts as a crucial element that identifies engine knock symptoms which emerge from improper ignition timing. The powertrain control module (PCM) receives signals from this device to automatically modify ignition timing thus minimizing the chance of detonation. The GM part applies state-of-the-art piezoelectric technology to persistent pressure peak surveillance that directly affects engine operation efficiency. The system boosts operational performance and engine lifetime duration through its use with lower octane fuel types. Vehicle owners who wish to sustain excellent automotive performance need to understand why this genuine GM part is vital. The full shipping procedure and return policy details are available on our Shipping Policy and Return Policy pages.
The ideal choice to make when wanting an assuring quality and a flawless performance is OEM parts. These items are checked closely in terms of quality and designed to fit perfectly into GM's specifications in terms of factory completion making it very easy to install the parts. We have a large stock of OEM GM components, which also come at highly competitive prices in the market. Just in case you need any new original GM parts please be assured that we would provide them to you at your doorstep within a short period of time. In addition to this, all our pieces are covered by the manufacturer's warranty.