This 1.2mm (0.047") cylinder head gasket fits all 1990 - 2005 gasket-head Mercury / Mariner SST-120, XR2, AA Blocks, 135 HP, and 150 HP V6 2.0 Liter 2-stroke outboards.
Part Numbers:
18-3861, 18785T, 187853, 35850, 9-63851
Includes one (1) Mercury 2.0 Liter Cylinder Head Gasket for the later style blocks, each V6 requires two (2) if both heads are removed.
Head Gasket Thickness & Suggested Clearence
0.75mm (0.0295" thickness) is suggested for pistons at .008" (or more) below deck height
1.00mm (0.0393" thickness) is suggested for pistons at .000" (or more) below deck height
1.10mm (0.0433" thickness) is suggested for pistons at .004" (or less) over deck height
1.20mm (0.0472" thickness) is suggested for pistons at .009" (or less) over deck height
1.50MM (0.0591" thickness) is suggested for pistons at .020" (or less) over deck height