{"product_id":"wpr-242-1329","title":"Walker Products Ignition Knock Detonation Sensor - 242-1329","description":"\u003ch2\u003eProduct Information\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Walker Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e Ignition Knock Detonation Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Ignition Knock (Detonation) Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 242-1329\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 1.0\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWalker Products Ignition Knock (Detonation) Sensors are OE Replacement components that monitor engine vibrations to detect knocking or detonation events. These sensors are a critical part of the engine control system, allowing the ECU to adjust ignition timing in real time to prevent spark knock—a condition that can cause internal engine damage, reduced fuel economy, and drivability issues. Walker Knock Sensors are engineered to match OE specifications for frequency range, sensitivity, and electrical output. Each unit is tuned to detect the specific resonant frequency of knock in a given engine platform, enabling precise spark retard when knock is detected. Built from high-quality, heat- and oil-resistant materials, these sensors are designed to endure the harsh conditions of the engine block and cylinder head. With exact OE fitment, Walker Knock Sensors install directly into the original threaded locations and connect using factory-style electrical terminals. Whether addressing a fault code (e.g., P0325, P0330), correcting timing issues, or replacing a failed sensor, Walker Knock Sensors restore proper knock detection, improve engine safety, and support optimal ignition performance across a wide range of gasoline applications.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDetects Engine Knock: Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.\u003c\/li\u003e\n\u003cli\u003eBuilt for Harsh Environments: Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.\u003c\/li\u003e\n\u003cli\u003eExact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.\u003c\/li\u003e\n\u003cli\u003eRestores Ignition Timing Accuracy: Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.\u003c\/li\u003e\n\u003cli\u003eOE Replacement Sensitivity: Calibrated to match factory frequency response and output for seamless ECU integration and spark control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003e1 years\u003c\/p\u003e\u003ch2\u003eCountry of Origin\u003c\/h2\u003e\u003cp\u003eChina\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cp\u003eSee the fitment table for engine, trim and other application details.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2024 Cadillac CT5\u003c\/li\u003e\n\u003cli\u003e2024 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2024 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet LCF 3500HG\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2024 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2024 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2024 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2024 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2024 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2024 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2024 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2023 Cadillac CT5\u003c\/li\u003e\n\u003cli\u003e2023 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2023 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet LCF 3500\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2023 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2023 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2023 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2023 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2023 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2023 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2023 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2022 Cadillac CT5\u003c\/li\u003e\n\u003cli\u003e2022 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2022 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet LCF 3500\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Silverado 1500 LTD\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2022 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2022 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2022 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2022 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2022 GMC Sierra 1500 Limited\u003c\/li\u003e\n\u003cli\u003e2022 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2022 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2022 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2022 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2021 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2021 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Express 4500\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet LCF 3500\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2021 GMC Acadia\u003c\/li\u003e\n\u003cli\u003e2021 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2021 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2021 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2021 GMC Savana 4500\u003c\/li\u003e\n\u003cli\u003e2021 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2021 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2021 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2021 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2021 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2020 Buick Envision\u003c\/li\u003e\n\u003cli\u003e2020 Buick Regal Sportback\u003c\/li\u003e\n\u003cli\u003e2020 Buick Regal TourX\u003c\/li\u003e\n\u003cli\u003e2020 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2020 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Equinox\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet LCF 3500\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2020 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2020 GMC Acadia\u003c\/li\u003e\n\u003cli\u003e2020 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2020 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2020 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2020 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2020 GMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003e2020 GMC Sierra 3500 HD\u003c\/li\u003e\n\u003cli\u003e2020 GMC Terrain\u003c\/li\u003e\n\u003cli\u003e2020 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2020 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2019 Buick Envision\u003c\/li\u003e\n\u003cli\u003e2019 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2019 Buick Regal Sportback\u003c\/li\u003e\n\u003cli\u003e2019 Buick Regal TourX\u003c\/li\u003e\n\u003cli\u003e2019 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2019 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2019 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2019 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Equinox\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Silverado 1500 LD\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2019 Chevrolet Traverse\u003c\/li\u003e\n\u003cli\u003e2019 GMC Acadia\u003c\/li\u003e\n\u003cli\u003e2019 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2019 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2019 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2019 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2019 GMC Sierra 1500 Limited\u003c\/li\u003e\n\u003cli\u003e2019 GMC Terrain\u003c\/li\u003e\n\u003cli\u003e2019 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2019 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2018 Buick Envision\u003c\/li\u003e\n\u003cli\u003e2018 Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003e2018 Buick Regal Sportback\u003c\/li\u003e\n\u003cli\u003e2018 Buick Regal TourX\u003c\/li\u003e\n\u003cli\u003e2018 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2018 Cadillac CT6\u003c\/li\u003e\n\u003cli\u003e2018 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2018 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2018 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Equinox\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Express 2500\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2018 Chevrolet Traverse\u003c\/li\u003e\n\u003cli\u003e2018 GMC Acadia\u003c\/li\u003e\n\u003cli\u003e2018 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2018 GMC Savana 2500\u003c\/li\u003e\n\u003cli\u003e2018 GMC Savana 3500\u003c\/li\u003e\n\u003cli\u003e2018 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2018 GMC Terrain\u003c\/li\u003e\n\u003cli\u003e2018 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2018 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2017 Buick Envision\u003c\/li\u003e\n\u003cli\u003e2017 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2017 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2017 Cadillac CT6\u003c\/li\u003e\n\u003cli\u003e2017 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2017 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2017 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2017 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2017 GMC Acadia\u003c\/li\u003e\n\u003cli\u003e2017 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2017 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2017 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2017 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2016 Buick Envision\u003c\/li\u003e\n\u003cli\u003e2016 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2016 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2016 Cadillac CT6\u003c\/li\u003e\n\u003cli\u003e2016 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2016 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2016 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Malibu Limited\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2016 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2016 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2016 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2016 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2016 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2015 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2015 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2015 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2015 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2015 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Colorado\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e2015 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e2015 GMC Canyon\u003c\/li\u003e\n\u003cli\u003e2015 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2015 GMC Yukon\u003c\/li\u003e\n\u003cli\u003e2015 GMC Yukon XL\u003c\/li\u003e\n\u003cli\u003e2014 Buick Regal\u003c\/li\u003e\n\u003cli\u003e2014 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2014 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e2014 Chevrolet Silverado 1500\u003c\/li\u003e\n\u003cli\u003e2014 GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e2013 Cadillac ATS\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Malibu\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Products","offers":[{"title":"Default Title","offer_id":58455136141615,"sku":"WPR-242-1329","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3521\/4127\/files\/242-1329_1.jpg?v=1789176293","url":"https:\/\/partspioneer.com\/products\/wpr-242-1329","provider":"Parts Pioneer","version":"1.0","type":"link"}