2 stores
Acdelco
ACDelco GM Original Equipment 213-3521 Ignition Knock (Detonation) Sensor
Compared at 2 stores·New and used
·Updated 3 days ago
Lowest $19.00Highest $81.00
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Six live offers. The cheapest is used, the cheapest new one costs $34.78 more.Sold byDetailsSpecial savingsItem price
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Product Description
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
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