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.
Hi Jon, glad to assist you! This part carries a limited lifetime replacement warranty. The limited lifetime warranty part can be refunded for cash/credit within the 90 days time frame. After that time expires, it can only be exchanged for a new item. So the warranty is valid for the life of the part as long as the customer owns the vehicle.
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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