GM 7.4L Cylinder Head Gasket | Sierra 18-3877 SE106 Alpha One Gen I Sterndrives Fits Mercruiser 120 & 140

Fits Mercruiser 120 & 140 hp engines with Mercarb carburetor from serial number 6229718 and up

Tow Ready Receiver Mount Tow Eyelet 63045

Magnetic drive pump's leak proof design eliminates the need for shaft seal

In the late 80s

GM 7.4L Cylinder Head Gasket | Sierra 18-3877 SE106 Alpha One Gen I Sterndrives Fits Mercruiser 120 & 140GM 7. 4L Cylinder Head Gasket Sierra 18 3877 Marine grade cylinder head gasket fits GM Mark IV 454 cu. in. marine engines. For GM 7. 4L 454 CID Mark 4 (IV) big block marine engines from 1991 and older Sold individually 2 required per engine Replaces Mercury 27 13218, 27 13687, 27 19315, 27 49104, 27 61224, 27 97529, 27 8M0049045 Replaces Crusader 30266, RM0196 Replaces Pleasurecraft Marine RM0196 Replaces OMC 914849 Replaces Mallory 9 63701