18-0670 Sierra Powerhead Mounting Mercury Gasket Manufacturer: Sierra Part Number: 18-0670 Replaces: Quicksilver 27-430075, 27-43007 5, 430075 and Mallory 9-60043 Cross References: SIE 0670, SIE18-0670, 01-0670, 0418-0670, 04180670 (verify fitment using your model or serial number)
