BWD knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency, making it a more flexible sensor that responds to help correct engine knock over a broad range of vehicle conditions.
This part has limited lifetime replacement as warranty. This warranty is valid for the stated period of time printed on your Invoice and Order Confirmation email provided you were the original purchaser of the part and you still own the vehicle on which it was installed. This warranty cannot be transferred to anyone at any time. Parts installed on commercial use vehicles are warranted for 90 days from the date of purchase.
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