18-2840 Sierra Bell Housing Gasket Manufacturer: Sierra Part Number: 18-2840 Condition: New Cross References: SIE 2840, 18-2840, 0418-2840, 04182840, SIE18-2840 Fits: R, MR, Alpha One & Gen II drives (s/n 6225577 & Up) (1983 & Up) Replaces: Mercruiser Stern Drive 27-35982 (verify fitment using your model or serial number)
