18-2958 Sierra Cylinder Head Gasket 2/PK Manufacturer : Sierra Part Number: 18-2958 Condition: New Cross References: SIE 2958, 18-2958, 0418-2958, 04182958, SIE18-2958 Replaces: OMC 315539, 777461 Fits: 50HP (71-75) (verify fitment using your model or serial number)
