Standard Ignition PTH1 Ignition Knock (Detonation) Sensor Harness

Name: Standard Ignition PTH1 Ignition Knock (Detonation) Sensor Harness
Brand: Standard Ignition
SKU: FBHK-PTH1
Price: 35.48 USD
Availability: InStock

⚙️ 237 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Chevrolet, GMC, Hummer, Cadillac, Isuzu, Buick, and Pontiac, Silverado 3500 HD, Express 1500, Express 2500, Express 3500, Silverado 1500, Silverado 1500 HD Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Sierra 3500 HD, H2, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Silverado 2500, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, CTS, Sonora, SSR, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, Ascender, Rainier, Corvette, Sierra 2500, GTO, Camaro, and Firebird

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Not what you need? Click here for all Ignition Knock (Detonation) Sensor Harness options

Overview of Standard Ignition PTH1 Knock Sensor Harness

The Standard Ignition PTH1 Ignition Knock (Detonation) Sensor Harness is designed for reliable connection and signal transmission in various GM vehicles. This harness supports accurate knock sensor function, essential for engine performance and efficiency in models like the Chevrolet Silverado 1500 and Cadillac Escalade.

Push-on attachment method for secure and easy installation
Black plastic construction with a 1.85-inch bend angle for precise fitment
Three oval-shaped connectors with male and female terminals
Brass and plastic contact terminals ensuring consistent conductivity
Includes a 26.5-inch wiring harness with two 16-gauge wires
Blade and bullet terminal types for compatibility with factory connections

Detailed Product Description

The PTH1 ignition knock sensor harness by Standard Ignition is engineered to maintain proper sensor communication by providing a durable and precise wiring solution. Its black plastic material offers resistance to wear, while the 1.85-inch length and zero-degree bend angle ensure it fits seamlessly within the engine bay. The harness features three oval connectors with a combination of male and female terminals, including blade and bullet types, to match original equipment specifications. With two 16-gauge wires and a 26.5-inch wiring harness length, this component supports stable signal transmission without splice connectors or dust shields, designed for direct replacement in compatible vehicles.

Compatible Vehicles and Applications

Buick models including Rainier
Cadillac Escalade, Escalade ESV, Escalade EXT, CTS
Chevrolet Silverado 1500, Avalanche 1500/2500, Camaro, Corvette, Suburban 1500/2500, Tahoe, Trailblazer EXT
GMC Sierra 1500/2500/3500, Envoy, Yukon, Yukon XL 1500/2500
Hummer H2
Isuzu Ascender
Pontiac Firebird, GTO

Common Issues Addressed by This Harness

Intermittent or faulty knock sensor signals causing engine knocking or pinging
Wiring harness damage leading to sensor communication failure
Connector corrosion or wear resulting in poor electrical contact
Engine performance issues related to inaccurate detonation detection
Check engine light triggered by knock sensor circuit faults

Installation Notes and Tips

Ensure the push-on connectors are fully seated to prevent loose connections
Verify the orientation of male and female terminals before installation
Route the 26.5-inch wiring harness away from heat sources and moving parts
Inspect the existing sensor and connectors for damage prior to replacement
Use appropriate tools to avoid damaging the plastic connectors or terminals

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The PTH1 ignition knock sensor harness undergoes rigorous quality control to maintain electrical integrity and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term vehicle operation.

This part fits 237 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2008	Chevrolet	Silverado 3500 HD	6.0L	V8	N/A
2007	Chevrolet	Express 1500	5.3L	V8	N/A
2007	Chevrolet	Express 2500	4.8L	V8	N/A
2007	Chevrolet	Express 2500	6.0L	V8	N/A
2007	Chevrolet	Express 3500	4.8L	V8	N/A
2007	Chevrolet	Express 3500	6.0L	V8	N/A
2007	Chevrolet	Silverado 1500			N/A
2007	Chevrolet	Silverado 1500 HD Classic			N/A
2007	Chevrolet	Silverado 2500 HD			N/A
2007	Chevrolet	Silverado 2500 HD Classic			N/A
2007	Chevrolet	Silverado 3500 Classic	6.0L	V8	N/A
2007	Chevrolet	Silverado 3500 HD	6.0L	V8	N/A
2007	GMC	Savana 1500	5.3L	V8	N/A
2007	GMC	Savana 2500	4.8L	V8	N/A
2007	GMC	Savana 2500	6.0L	V8	N/A
2007	GMC	Savana 3500	4.8L	V8	N/A
2007	GMC	Savana 3500	6.0L	V8	N/A
2007	GMC	Sierra 1500			N/A
2007	GMC	Sierra 1500 HD Classic			N/A
2007	GMC	Sierra 2500 HD			N/A
2007	GMC	Sierra 2500 HD Classic	6.0L	V8	N/A
2007	GMC	Sierra 3500 Classic	6.0L	V8	N/A
2007	GMC	Sierra 3500 HD			N/A
2007	Hummer	H2	6.0L	V8	N/A
2006	Cadillac	Escalade			N/A
2006	Cadillac	Escalade ESV			N/A
2006	Cadillac	Escalade EXT			N/A
2006	Chevrolet	Avalanche 1500			N/A
2006	Chevrolet	Avalanche 2500			N/A
2006	Chevrolet	Express 1500	5.3L	V8	N/A
2006	Chevrolet	Express 2500	4.8L	V8	N/A
2006	Chevrolet	Express 2500	6.0L	V8	N/A
2006	Chevrolet	Express 3500	4.8L	V8	N/A
2006	Chevrolet	Express 3500	6.0L	V8	N/A
2006	Chevrolet	Silverado 1500			N/A
2006	Chevrolet	Silverado 1500 HD			N/A
2006	Chevrolet	Silverado 2500			N/A
2006	Chevrolet	Silverado 2500 HD			N/A
2006	Chevrolet	Silverado 3500			N/A
2006	Chevrolet	Suburban 1500	5.3L	V8	N/A
2006	Chevrolet	Suburban 2500			N/A
2006	Chevrolet	Tahoe			N/A
2006	GMC	Savana 1500	5.3L	V8	N/A
2006	GMC	Savana 2500	4.8L	V8	N/A
2006	GMC	Savana 2500	6.0L	V8	N/A
2006	GMC	Savana 3500	4.8L	V8	N/A
2006	GMC	Savana 3500	6.0L	V8	N/A
2006	GMC	Sierra 1500			N/A
2006	GMC	Sierra 1500 HD			N/A
2006	GMC	Sierra 2500 HD			N/A
2006	GMC	Sierra 3500			N/A
2006	GMC	Yukon			N/A
2006	GMC	Yukon XL 1500			N/A
2006	GMC	Yukon XL 2500			N/A
2006	Hummer	H2	6.0L	V8	N/A
2005	Cadillac	CTS	5.7L	V8	N/A
2005	Cadillac	Escalade			N/A
2005	Cadillac	Escalade ESV			N/A
2005	Cadillac	Escalade EXT			N/A
2005	Chevrolet	Avalanche 1500			N/A
2005	Chevrolet	Avalanche 2500			N/A
2005	Chevrolet	Express 1500	5.3L	V8	N/A
2005	Chevrolet	Express 2500	4.8L	V8	N/A
2005	Chevrolet	Express 2500	5.3L	V8	N/A
2005	Chevrolet	Express 2500	6.0L	V8	N/A
2005	Chevrolet	Express 3500	4.8L	V8	N/A
2005	Chevrolet	Express 3500	6.0L	V8	N/A
2005	Chevrolet	Silverado 1500			N/A
2005	Chevrolet	Silverado 1500 HD			N/A
2005	Chevrolet	Silverado 2500			N/A
2005	Chevrolet	Silverado 2500 HD			N/A
2005	Chevrolet	Silverado 3500			N/A
2005	Chevrolet	SSR			N/A
2005	Chevrolet	Suburban 1500	5.3L	V8	N/A
2005	Chevrolet	Suburban 2500			N/A
2005	Chevrolet	Tahoe			N/A
2005	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2005	GMC	Envoy	5.3L	V8	N/A
2005	GMC	Envoy XL	5.3L	V8	N/A
2005	GMC	Envoy XUV	5.3L	V8	N/A
2005	GMC	Savana 1500	5.3L	V8	N/A
2005	GMC	Savana 2500	4.8L	V8	N/A
2005	GMC	Savana 2500	5.3L	V8	N/A
2005	GMC	Savana 2500	6.0L	V8	N/A
2005	GMC	Savana 3500	4.8L	V8	N/A
2005	GMC	Savana 3500	6.0L	V8	N/A
2005	GMC	Sierra 1500			N/A
2005	GMC	Sierra 1500 HD			N/A
2005	GMC	Sierra 2500 HD			N/A
2005	GMC	Sierra 3500			N/A
2005	GMC	Yukon			N/A
2005	GMC	Yukon XL 1500			N/A
2005	GMC	Yukon XL 2500			N/A
2005	Hummer	H2	6.0L	V8	N/A
2005	Isuzu	Ascender	5.3L	V8	N/A
2004	Buick	Rainier	5.3L	V8	N/A
2004	Cadillac	CTS	5.7L	V8	N/A
2004	Cadillac	Escalade			N/A
2004	Cadillac	Escalade ESV			N/A
2004	Cadillac	Escalade EXT			N/A
2004	Chevrolet	Avalanche 1500			N/A
2004	Chevrolet	Avalanche 2500			N/A
2004	Chevrolet	Corvette			N/A
2004	Chevrolet	Express 1500	5.3L	V8	N/A
2004	Chevrolet	Express 2500	4.8L	V8	N/A
2004	Chevrolet	Express 2500	5.3L	V8	N/A
2004	Chevrolet	Express 2500	6.0L	V8	N/A
2004	Chevrolet	Express 3500	6.0L	V8	N/A
2004	Chevrolet	Silverado 1500			N/A
2004	Chevrolet	Silverado 2500			N/A
2004	Chevrolet	Silverado 2500 HD			N/A
2004	Chevrolet	Silverado 3500			N/A
2004	Chevrolet	SSR			N/A
2004	Chevrolet	Suburban 1500	5.3L	V8	N/A
2004	Chevrolet	Suburban 2500			N/A
2004	Chevrolet	Tahoe			N/A
2004	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2004	GMC	Envoy XL	5.3L	V8	N/A
2004	GMC	Envoy XUV	5.3L	V8	N/A
2004	GMC	Savana 1500	5.3L	V8	N/A
2004	GMC	Savana 2500	4.8L	V8	N/A
2004	GMC	Savana 2500	5.3L	V8	N/A
2004	GMC	Savana 2500	6.0L	V8	N/A
2004	GMC	Savana 3500	6.0L	V8	N/A
2004	GMC	Sierra 1500			N/A
2004	GMC	Sierra 2500			N/A
2004	GMC	Sierra 2500 HD			N/A
2004	GMC	Sierra 3500			N/A
2004	GMC	Yukon			N/A
2004	GMC	Yukon XL 1500			N/A
2004	GMC	Yukon XL 2500			N/A
2004	Hummer	H2	6.0L	V8	N/A
2004	Isuzu	Ascender			N/A
2004	Pontiac	GTO			N/A
2003	Cadillac	Escalade			N/A
2003	Cadillac	Escalade ESV			N/A
2003	Cadillac	Escalade EXT			N/A
2003	Chevrolet	Avalanche 1500			N/A
2003	Chevrolet	Avalanche 2500			N/A
2003	Chevrolet	Corvette			N/A
2003	Chevrolet	Express 1500	5.3L	V8	N/A
2003	Chevrolet	Express 2500	4.8L	V8	N/A
2003	Chevrolet	Express 2500	5.3L	V8	N/A
2003	Chevrolet	Express 2500	6.0L	V8	N/A
2003	Chevrolet	Express 3500	6.0L	V8	N/A
2003	Chevrolet	Silverado 1500			N/A
2003	Chevrolet	Silverado 1500 HD			N/A
2003	Chevrolet	Silverado 2500			N/A
2003	Chevrolet	Silverado 2500 HD			N/A
2003	Chevrolet	Silverado 3500			N/A
2003	Chevrolet	SSR			N/A
2003	Chevrolet	Suburban 1500	5.3L	V8	N/A
2003	Chevrolet	Suburban 2500			N/A
2003	Chevrolet	Tahoe			N/A
2003	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2003	GMC	Envoy XL	5.3L	V8	N/A
2003	GMC	Savana 1500	5.3L	V8	N/A
2003	GMC	Savana 2500	4.8L	V8	N/A
2003	GMC	Savana 2500	5.3L	V8	N/A
2003	GMC	Savana 2500	6.0L	V8	N/A
2003	GMC	Savana 3500	6.0L	V8	N/A
2003	GMC	Sierra 1500			N/A
2003	GMC	Sierra 1500 HD			N/A
2003	GMC	Sierra 2500			N/A
2003	GMC	Sierra 2500 HD			N/A
2003	GMC	Sierra 3500			N/A
2003	GMC	Yukon			N/A
2003	GMC	Yukon XL 1500			N/A
2003	GMC	Yukon XL 2500			N/A
2003	Hummer	H2	6.0L	V8	N/A
2003	Isuzu	Ascender	5.3L	V8	N/A
2002	Cadillac	Escalade			N/A
2002	Cadillac	Escalade EXT			N/A
2002	Chevrolet	Avalanche 1500			N/A
2002	Chevrolet	Avalanche 2500			N/A
2002	Chevrolet	Camaro	5.7L	V8	N/A
2002	Chevrolet	Corvette			N/A
2002	Chevrolet	Silverado 1500			N/A
2002	Chevrolet	Silverado 1500 HD			N/A
2002	Chevrolet	Silverado 2500			N/A
2002	Chevrolet	Silverado 2500 HD			N/A
2002	Chevrolet	Silverado 3500			N/A
2002	Chevrolet	Suburban 1500	5.3L	V8	N/A
2002	Chevrolet	Suburban 2500			N/A
2002	Chevrolet	Tahoe			N/A
2002	GMC	Sierra 1500			N/A
2002	GMC	Sierra 1500 HD			N/A
2002	GMC	Sierra 2500			N/A
2002	GMC	Sierra 2500 HD			N/A
2002	GMC	Sierra 3500			N/A
2002	GMC	Yukon			N/A
2002	GMC	Yukon XL 1500			N/A
2002	GMC	Yukon XL 2500			N/A
2002	Pontiac	Firebird	5.7L	V8	N/A
2001	Chevrolet	C1500			N/A
2001	Chevrolet	Camaro	5.7L	V8	N/A
2001	Chevrolet	Corvette			N/A
2001	Chevrolet	Silverado 1500			N/A
2001	Chevrolet	Silverado 1500 HD			N/A
2001	Chevrolet	Silverado 2500			N/A
2001	Chevrolet	Silverado 2500 HD			N/A
2001	Chevrolet	Silverado 3500			N/A
2001	Chevrolet	Suburban 1500	5.3L	V8	N/A
2001	Chevrolet	Suburban 2500			N/A
2001	Chevrolet	Tahoe			N/A
2001	GMC	Sierra 1500			N/A
2001	GMC	Sierra 1500 HD			N/A
2001	GMC	Sierra 2500			N/A
2001	GMC	Sierra 2500 HD			N/A
2001	GMC	Sierra 3500			N/A
2001	GMC	Yukon			N/A
2001	GMC	Yukon XL 1500			N/A
2001	GMC	Yukon XL 2500			N/A
2001	Pontiac	Firebird	5.7L	V8	N/A
2000	Chevrolet	Camaro	5.7L	V8	N/A
2000	Chevrolet	Corvette			N/A
2000	Chevrolet	Silverado 1500			N/A
2000	Chevrolet	Silverado 2500			N/A
2000	Chevrolet	Suburban 1500	5.3L	V8	N/A
2000	Chevrolet	Suburban 2500			N/A
2000	Chevrolet	Tahoe			N/A
2000	GMC	Sierra 1500			N/A
2000	GMC	Sierra 2500			N/A
2000	GMC	Yukon	4.8L	V8	N/A
2000	GMC	Yukon	5.3L	V8	N/A
2000	GMC	Yukon XL 1500			N/A
2000	GMC	Yukon XL 2500			N/A
2000	Pontiac	Firebird	5.7L	V8	N/A
1999	Chevrolet	Camaro	5.7L	V8	N/A
1999	Chevrolet	Corvette			N/A
1999	Chevrolet	Silverado 1500			N/A
1999	Chevrolet	Silverado 2500			N/A
1999	GMC	Sierra 1500			N/A
1999	GMC	Sierra 2500			N/A
1999	Pontiac	Firebird	5.7L	V8	N/A
1998	Chevrolet	Corvette			N/A
1998	Pontiac	Firebird	5.7L	V8	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12575869JAC1076PTA1TRH102

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.