High Quality Knock Sensor Set with Harness for GM Vehicles - jiacheng_store

PREMIUM KNOCK SENSOR SET WITH HARNESS

For GM 4.8L/5.3L/5.7L/6.0L/8.1L Engines

Shop: jiacheng_store | 100% Factory Tested | Direct Replacement

PRODUCT HIGHLIGHTS

Complete Kit: Includes 1x Knock Sensor Harness + 2x Knock Sensors
Premium Quality: Built to strict quality control standards
Direct Replacement: Exact fit for your GM vehicle - no modifications needed
Fully Tested: 100% factory tested for reliability and performance
Easy Installation: Dual connectors & grommets for secure fitment
OEM Equivalent: Matches or exceeds original equipment specifications

COMPATIBLE VEHICLES

Engine Sizes: 4.8L, 5.3L, 5.7L, 6.0L, 8.1L

Buick Models:

Rainier (2005)

Cadillac Models:

CTS (2004-2005)
CTS-V (2004-2005)
Escalade (2002-2007)
Escalade ESV (2003-2007)
Escalade EXT (2002-2007)
STS (2005)

Chevrolet Models:

Avalanche 1500 (2002-2007)
Avalanche 2500 (2002-2006)
C3500 Truck V8 8.1L (2001-2002)
Camaro V8 5.7L (1999-2002)
Corvette (1999-2003)
Express 1500/2500/3500 Van (2003-2007)
Silverado 1500 (2001-2007)
Silverado 1500 HD (2001-2007)
Silverado 2500 (2001-2004)
Silverado 2500 HD (2001-2007)
Silverado 3500 (2001-2007)
Silverado Hybrid (2004-2007)
Suburban 1500/2500 (2001-2007)
Tahoe (2001-2007)
Trailblazer EXT V8 5.3L (2005)

GMC Models:

C3500 Truck V8 8.1L (2001-2002)
Envoy V8 5.3L (2005)
Envoy XL V8 5.3L (2003-2005)
Envoy XUV V8 5.3L (2005)
Savana 1500/2500/3500 Van (2003-2007)
Sierra 1500 (2001-2007)
Sierra 1500 HD (2001-2007)
Sierra 2500 (2001-2004)
Sierra 2500 HD (2001-2007)
Sierra 3500 (2001-2007)
Sierra Denali 1500 (2002-2007)
Sierra Hybrid (2005-2007)

TECHNICAL SPECIFICATIONS

Part Numbers	213-3521 / NA, 12589867, 10456603, 12589867, 12601822, 8104566030
Package Contents	1x Knock Sensor Harness, 2x Knock Sensors
Connector Type	Dual Connectors with Grommets
Quality Assurance	100% Factory Tested
Warranty	12 Months Limited Warranty

ABOUT KNOCK SENSORS

Your engine's knock sensor is a critical component of the engine management system. It detects abnormal combustion (knocking or pinging) and sends signals to the engine control unit (ECU), which then adjusts ignition timing to prevent engine damage.

Common Symptoms of Failing Knock Sensors:

Check Engine Light illuminated
Reduced engine performance
Poor fuel economy
Engine knocking or pinging noises
Rough idling

Replacing faulty knock sensors promptly can prevent serious engine damage and restore optimal performance.

INSTALLATION GUIDE

Disconnect the battery before beginning any work on your vehicle's electrical system.
Locate the knock sensors on your engine block (typically mounted on the side of the engine).
Disconnect the electrical connector from the old knock sensor.
Remove the mounting bolt and carefully extract the old sensor.
Apply a small amount of anti-seize compound to the threads of the new sensor (if recommended for your application).
Install the new knock sensor and tighten to manufacturer specifications (typically 15-20 ft-lbs).
Reconnect the electrical connector and secure the harness.
Reconnect the battery and start the engine to verify proper operation.

Note: If you're not comfortable performing this installation yourself, we recommend seeking professional assistance.

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Satisfaction Promise: 30-day return policy if you're not completely satisfied

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