OEM Part Number: 171-257 Part Name: Magnetic Pick Up Speed Sensor Specification: Thread Size: M18*1.5 or M16* ... provide: Item Number, Invoice Number, Your Address, Your Skype, Email, WhatsApp, Reason for Return, and Tracking. We only offer refunds if the return ... 30 days. If you fail to follow return policy it will very likely delay the process. Pictures Pictures are not always ...