LS Gen III 4.8/5.3/5.7/6.0 Knock Sensor 1997-2007 ACDelco

ACDelco knock sensor for the LS Gen III 4.8/5.3/5.7/6.0 (1997-2007). Listed for one application: LS Gen III 4.8/5.3/5.7/6.0 engines, 1997-2007, in Chevrolet, GMC, Pontiac, Cadillac applications. Confirm your engine code and year against this listing before ordering.

What it does

Knock sensors hear detonation and let the ECM pull timing before pistons are damaged. Failed or corroded sensors (a known valley-mounted LS issue) set codes and force conservative timing that costs power. A new sensor set restores full timing.

Fits

• Chevrolet vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• GMC vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• Pontiac vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007
• Cadillac vehicles with the LS Gen III 4.8/5.3/5.7/6.0 engine, 1997-2007

Fixes

• P0325-P0332 knock sensor codes
• lost power from retarded timing
• corroded valley-mounted sensors and harness

What's included

• knock sensor(s) at the count stated; harness where listed

Specifications

• Brand: ACDelco
• Shipping weight: 0.5 lb
• Condition: new
• Product type: Knock Sensor

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.