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Mercury / Mariner / Force
INLINE 3 & 4-CYLINDER LOOPCHARGED PISTONS
Loopcharged Pistons for Inline 3 & 4-Cylinder 70-115 HP (1987-1993)
Mercury / Mariner / Force
These engines use ø 3.375” Pistons with Rod No. 646-818846
70 HP 3-Cyl. w/ Rod No. 646-818846 1987-1989
75 HP 3-Cyl. w/ Rod No. 646-818846 1990-1993
90 HP 3-Cyl. w/ Rod No. 646-818846 1987-1993
100 HP L4-Cyl. w/ Rod No. 646-818846 1989-1993
115 HP L4-Cyl. w/ Rod No. 646-818846 1989-1993
Pistons for above engines
GLM Piston No. Size OEM Piston No.
14660 ø 3.375 777-815965T4
14670 ø 3.375 +.015 777-815965A5
14680 ø 3.375 +.030 777-815965A6
all pistons come with rings, pin and retainers
Rings for above ø 3.375” pistons
GLM Ring No. Size OEM Ring No.
14910 ø 3.375 39-96170A12
14920 ø 3.375 +.015 39-96170A3
14930 ø 3.375 +.030 39-96170A4
all rings come 2 to a set
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