Description
Sierra Marine Piston Ring Set
Manufacturer’s Part Number(s): 18-3902
Replaces Mercury OEM Part Number: 39-78816A12
Item Condition: New, old stock inventory part. The original box, or packaging many show signs of shelf life. NOS parts are sold in new, uninstalled condition. Part may be removed from packaging for picture details.
If you have any questions or need motor application assistance please contact us. To better assist you, please have your motor’s make/model, horsepower, and year or serial number info readily available.
