• Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039
  • Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039
  • Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039
  • Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039
  • Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039
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Walker Products

Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039

Walker Products Walker Products 242-1039 Ignition Knock (Detonation) Sensor 242-1039

$38.95
$38.95
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Shipping & returns

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

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Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Ignition Knock (Detonation) Sensor. (242-1039) by Walker Products

Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001/IATF16949 certified company, we are committed to supplying the highest quality products.

Designed to meet or exceed OE specifications in form, fit and function. Direct fit replacement. Direct fit connectors.

Fits: Buick Rainier 2004, Cadillac CTS 2005-2004, Escalade 2006-2002, Escalade ESV 2006-2003, Escalade EXT 2006-2002, Chevrolet Avalanche 1500 2006-2002, Camaro 2002-1998, Corvette 2004-1998, Express 1500 2007-2003, Express 2500 2007-2003, Express 3500 2007-2003, Silverado 1500 2006-1999, Silverado 1500 Classic 2007, Silverado 1500 HD 2003-2001, Silverado 1500 HD 2006-2005, Silverado 1500 HD Classic 2007, Silverado 2500 2004-1999, Silverado 2500 HD 2006-2001, Silverado 2500 HD Classic 2007, Silverado 3500 2006-2001, Silverado 3500 Classic 2007, SSR 2004-2003, Suburban 1500 2006-2000, Suburban 2500 2006-2000, Tahoe 2006-2000, Trailblazer EXT 2004-2003, GMC Envoy XL 2004-2003, Envoy XUV 2004, Savana 1500 2007-2003, Savana 2500 2007-2003, Savana 3500 2007-2003, Sierra 1500 2006-1999, Sierra 1500 Classic 2007, Sierra 1500 HD 2003-2001, Sierra 1500 HD 2006-2005, Sierra 1500 HD Classic 2007, Sierra 2500 2004-1999, Sierra 2500 HD 2006-2001, Sierra 2500 HD Classic 2007, Sierra 3500 2006-2001, Sierra 3500 Classic 2007, Yukon 2006-2000, Yukon XL 1500 2006-2000, Yukon XL 2500 2006-2000, Hummer H2 2007-2003, Isuzu Ascender 2004-2003, Pontiac Firebird 2002-1998, GTO 2004



Vehicle Fitments:

Year Make Model Submodel
2004 Buick Rainier CXL Plus, CXL
2004 - 2005 Cadillac CTS V, Base
2002 - 2006 Cadillac Escalade Base
2003 - 2006 Cadillac Escalade ESV Base
2002 - 2006 Cadillac Escalade EXT Base
2002 - 2006 Chevrolet Avalanche 1500 Base, Z71, LT, LS
2002 - 2003 Chevrolet Avalanche 1500 North Face, On Road Edition
2003 Chevrolet Avalanche 1500 WBH
2004 - 2006 Chevrolet Avalanche 1500 Z66
1998 Chevrolet Camaro Lujo
1998 - 2002 Chevrolet Camaro Z28, Base, Z28 SS
2003 Chevrolet Corvette 50th Anniversary Edition, 50th Anniversary Edition Pace Car
1998 - 2004 Chevrolet Corvette Base
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001 - 2004 Chevrolet Corvette Z06
2003 - 2007 Chevrolet Express 1500 LS, Base
2006 - 2007 Chevrolet Express 1500 LT
2003 - 2007 Chevrolet Express 2500 LS, Base
2006 - 2007 Chevrolet Express 2500 LT
2003 - 2007 Chevrolet Express 3500 Base, LS
2006 - 2007 Chevrolet Express 3500 LT
2002 Chevrolet Silverado 1500 Custom
2004 - 2006 Chevrolet Silverado 1500 Hybrid
1999 - 2006 Chevrolet Silverado 1500 LT, Base, LS
2003 - 2006 Chevrolet Silverado 1500 SS
2002 - 2006 Chevrolet Silverado 1500 WT
2004 Chevrolet Silverado 1500 Z71
2007 Chevrolet Silverado 1500 Classic SS, LT, Hybrid, LS, WT
2005 Chevrolet Silverado 1500 HD Base
2001 - 2005 Chevrolet Silverado 1500 HD LS
2001 - 2006 Chevrolet Silverado 1500 HD LT
2007 Chevrolet Silverado 1500 HD Classic LT
2003 - 2004 Chevrolet Silverado 2500 400 SS
1999 - 2004 Chevrolet Silverado 2500 Base, LS, LT
2001 - 2002 Chevrolet Silverado 2500 Cheyenne, Custom
2004 Chevrolet Silverado 2500 WT
2001 - 2005 Chevrolet Silverado 2500 HD Base
2001 - 2006 Chevrolet Silverado 2500 HD LS, LT
2003 - 2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LT, WT, LS
2001 - 2006 Chevrolet Silverado 3500 Base, LS, LT
2006 Chevrolet Silverado 3500 HD
2004 - 2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic WT, LS, LT
2003 - 2004 Chevrolet SSR Base
2000 - 2006 Chevrolet Suburban 1500 LT, LS, Base
2006 Chevrolet Suburban 1500 LTZ
2004 - 2006 Chevrolet Suburban 1500 Z71
2000 - 2001 Chevrolet Suburban 2500 Base
2000 - 2006 Chevrolet Suburban 2500 LT, LS
2000 Chevrolet Tahoe Limited
2000 - 2006 Chevrolet Tahoe LS, Base, Z71, LT
2003 - 2004 Chevrolet Trailblazer EXT LS, LT, North Face
2003 - 2004 GMC Envoy XL SLT, SLE
2004 GMC Envoy XUV SLE, SLT
2003 - 2007 GMC Savana 1500 Base
2006 - 2007 GMC Savana 1500 LT, LS
2003 - 2005 GMC Savana 1500 SLE
2003 - 2007 GMC Savana 2500 Base
2007 GMC Savana 2500 LS, LT
2003 - 2005 GMC Savana 2500 SLE
2003 - 2007 GMC Savana 3500 Base
2006 - 2007 GMC Savana 3500 LS, LT
2003 - 2005 GMC Savana 3500 SLE
2002 - 2005 GMC Sierra 1500 Base
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2005 - 2006 GMC Sierra 1500 Hybrid
1999 - 2006 GMC Sierra 1500 SLE, SLT, SL
2002 - 2006 GMC Sierra 1500 WT, Denali
2007 GMC Sierra 1500 Classic WT, Hybrid, SL, SLT, SLE, Denali
2001 - 2006 GMC Sierra 1500 HD SLT, SLE
2007 GMC Sierra 1500 HD Classic SLT, SLE
2002 - 2004 GMC Sierra 2500 Base
1999 - 2002 GMC Sierra 2500 SL
1999 - 2004 GMC Sierra 2500 SLE, SLT
2003 - 2004 GMC Sierra 2500 WT
2002 - 2005 GMC Sierra 2500 HD Base
2001 - 2006 GMC Sierra 2500 HD SLE, SLT, SL
2003 - 2006 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SLE, SL, WT, SLT
2002 - 2005 GMC Sierra 3500 Base
2001 - 2006 GMC Sierra 3500 SL, SLE, SLT
2004 - 2006 GMC Sierra 3500 WT
2007 GMC Sierra 3500 Classic SLE, SLT, SL, WT
2000 - 2006 GMC Yukon Denali, SLT, SLE
2006 GMC Yukon SL
2001 - 2006 GMC Yukon XL 1500 Denali
2006 GMC Yukon XL 1500 SL
2000 - 2006 GMC Yukon XL 1500 SLE, SLT
2000 - 2006 GMC Yukon XL 2500 SLT, SLE
2005 - 2007 Hummer H2 Adventure, Luxury
2003 - 2007 Hummer H2 Base
2007 Hummer H2 Special Edition
2003 Isuzu Ascender Base
2003 - 2004 Isuzu Ascender LS, Limited
2004 Isuzu Ascender S
1998 - 2002 Pontiac Firebird Trans Am, Base, Formula
2004 Pontiac GTO Base
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Vehicle fitment