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Replacement Parts

ACDelco GM Original Equipment 213-3521 Ignition Knock (Detonation) Sensor

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ACDelco GM Original Equipment 213-3521 Ignition Knock (Detonation) Sensor
- Sends signals to the engine control module (ECM) to adjust timing
- Helps prevent damage to the engine caused by pre-ignition
- GM-recommended replacement part for your GM vehicle's original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
An ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor monitors the engine for pinging or spark knock, and is a GM-recommended replacement for your vehicle's original component. The sensor creates a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses this signal to adjust the ignition timing and air/fuel mixture. This original equipment ignition knock sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Country	USA
Brand	ACDelco
Manufacturer	ACDelco
Binding	Automotive
ItemPartNumber	213-3521
Model	213-3521
Warranty	24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
UnitCount	1
UPCs	707773013601
EANs	0707773013601
ReleaseDate	0000-00-00

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