Holstein Parts 2KNC0025 Engine Knock (Detonation) Sensor - Compatible With Select Cadillac, Chevrolet, GMC, Pontiac + More

Holstein Parts Engine Knock (Detonation) Sensors are direct OE replacements for these critical engine components, offering perfect fit, form and function for flawless operation that protects your engine from damaging detonation and pinging in all types of driving conditions. Precision engineered sensor exactly duplicates the function of the OE component, providing critical information to the vehicle's ECU so it can adjust engine timing to prevent internal engine damage when detonation occurs. Manufactured with premium materials that ensure rugged, long-term performance and the heat resistance necessary to withstand high engine operating temperatures. Exact OE connectors and attachment points ensure a trouble-free installation process. Fully tested to ensure voltage matches OE specifications. Arrives packaged in a Zip-Loc style anti-static bag that protects the electronic circuitry and components.

• Holstein Parts Knock Sensors are direct OE replacements for these critical engine components, offering perfect fit, form and function for flawless operation that protects your engine from damaging detonation and pinging in all types of driving conditions
• Precision engineered sensor exactly duplicates the function of the OE component, providing critical information to the vehicle's ECU so it can adjust engine timing to prevent internal engine damage
• Manufactured with premium materials that ensure rugged, long-term performance and the heat resistance necessary to withstand high engine operating temperatures
• Fully tested to ensure voltage matches OE specifications and features exact OE connectors and attachment points to ensure a trouble-free installation process
• Backed by Holstein Parts's 3 year/36k mile warranty - we believe in our parts and our warranty shows it
• Compatible with select vehicles (engine may affect fitment - verify specific vehicle fitment details with fit checker above): BUICK: 2004 Rainier; CADILLAC: 2004-05 CTS, 2002-06 Escalade, 2003-06 Escalade ESV, 2002-06 Escalade EXT
• CHEVROLET: 2002-06 Avalanche 1500, 1998-02 Camaro, 1998-04 Corvette, 2003-07 Express 1500/2500/3500, 1999-06 Silverado 1500, 2007 Silverado 1500/1500 HD Classic, 2001-06 Silverado 1500/2500 HD, 1999-04 Silverado 2500
• CHEVROLET: 2007 Silverado 2500 HD Classic, 2001-06 Silverado 3500, 2007 Silverado 3500 Classic, 2004 SSR, 2000-06 Suburban 1500/2500, 2000-06 Tahoe, 2003-04 Trailblazer EXT; GMC: 2003-04 Envoy XL, 2004 Envoy XUV, 2003-07 Savana 1500/2500/3500
• GMC: 1999-06 Sierra 1500, 2007 Sierra 1500/1500 HD Classic, 2001-06 Sierra 1500/2500 HD, 1999-04 Sierra 2500, 2007 Sierra 2500 HD Classic, 2001-06 Sierra 3500, 2007 Sierra 3500 Classic, 2000-06 Yukon, 2000-06 Yukon XL 1500, 2000-06 Yukon XL 2500
• HUMMER: 2003-07 H2; PONTIAC: 1998-02 Firebird, 2004 GTO