We are not a Mercury Marine Parts Dealer. This part is from old stock. Green Bay Propeller and Marine LLC will warranty this part for 30 days. Part number 87-864252A01.

Mercury Quicksilver oil pressure sensor switch kit.

For some Mercruiser 540 Stroker 4V stern drive engines.

New Mercury part, not an aftermarket.  Comes as seen.

Please check the part numbers for your fitment needs.  It is your responsibility to make sure this part is correct for your application. If you are unsure whether this part is correct for your model, please contact us with your engine HP, model/serial number and we can help determine if it is right for your engine. We are happy to help!

Thank you for shopping at our store!!

Christine