700-14050 Piston Kit (ø 2.875 +.030) replaces MerCruiser part # 774-9137A11, 774-9137A14 Crossflow Pistons for Inline 2, 3, 4 & 6-Cylinder 35-150 HP (1970-1990)
Mercury / Mariner / ForceThese engines use ø 2.875” Low Dome Pistons | 35 HP | 2-Cyl | 1984-1989 | | 40 HP | 2-Cyl | 1972-1983 | | 50 HP | 3-Cyl | 1984-1990 | | 60 HP | 3-Cyl | 1984-1990 | | 65 HP | 3 Cyl | 1973-1976 | | 70 HP | 3-Cyl | 1977-1983 | | 75 HP | L4-Cyl | 1984-1986 | | 80 HP | L4-Cyl | 1978-1983 | | 85 HP | L4-Cyl | 1973-1977 | | 90 HP | L6-Cyl | 1978-1986 | | 115 HP | L6-Cyl | 1984-1988 | | 135 HP | L6-Cyl | 1970-1971 | | 140 HP | L6-Cyl | 1978-1980 | | 150 HP | L6-Cyl | 1973-1978 |
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700-14670 Piston Kit (ø 3.375 +.015) replaces Mercury/Mariner/Force part # 777-815965A5 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 | 3-Cyl w/ Rod No. 646-818846 | 1989-1993 | | 115 HP | 3-Cyl w/ Rod No. 646-818846 | 1989-1993 |
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700-14660 Piston Kit (ø 3.375) replaces Mercury/Mariner/Force part # 777-815965T4 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 | 3-Cyl w/ Rod No. 646-818846 | 1989-1993 | | 115 HP | 3-Cyl w/ Rod No. 646-818846 | 1989-1993 |
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700-14770 Piston Kit (ø 3.375 +.015) replaces Mercury/Mariner/Force part # 777-9009A6 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. 638-8532-1 | 70 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1989 | | 75 Hp | 3-Cyl w/ Rod No. 638-8532-1 | 1990-1993 | | 90 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1993 | | 100 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 | | 115 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 |
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700-14780 Piston Kit (ø 3.375 +.030) replaces Mercury/Mariner/Force part # 777-9009A7 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. 638-8532-1 | 70 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1989 | | 75 Hp | 3-Cyl w/ Rod No. 638-8532-1 | 1990-1993 | | 90 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1993 | | 100 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 | | 115 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 |
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700-14760 Piston Kit (ø 3.375) replaces Mercury/Mariner/Force part # 777-9009T13 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. 638-8532-1 | 70 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1989 | | 75 Hp | 3-Cyl w/ Rod No. 638-8532-1 | 1990-1993 | | 90 HP | 3-Cyl w/ Rod No. 638-8532-1 | 1987-1993 | | 100 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 | | 115 HP | L4-Cyl w/ Rod No. 638-8532-1 | 1989-1993 |
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700-14380 Piston Kit (ø 2.565 +.015) replaces MerCruiser part # 780-9229A10 All pistons come with rings, pin and retainers. GLM’S EXCLUSIVE MARINE PISTONS - Fully Machined Hypereutectic Pistons
- Featuring a Hard Anodizing Coating on Top
- Resisting Temperatures up to 1560°F
- Hardness: HV280-400
- Pistons are T-6 Heat Treated
Crossflow: The oldest design, and the one used on Mercury / Mariner /Force 35-150 HP engines from 1970-1990 is the crossflow piston. As the air / fuel mixture travels through the transfer port and into the cylinder, a deflector, cast into the top of the piston, directs the air / fuel mixture towards the combustion chamber and spark plug tip for maximum efficiency. All engines with deflectors on top of the pistons will be crossflow engines. External inspection of a crossflow engine will reveal removeable transfer port covers on the side of the cylinders.
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700-14370 Piston Kit (ø 2.565) replaces MerCruiser part # 780-9229A7 All pistons come with rings, pin and retainers. GLM’S EXCLUSIVE MARINE PISTONS - Fully Machined Hypereutectic Pistons
- Featuring a Hard Anodizing Coating on Top
- Resisting Temperatures up to 1560°F
- Hardness: HV280-400
- Pistons are T-6 Heat Treated
Crossflow: The oldest design, and the one used on Mercury / Mariner /Force 35-150 HP engines from 1970-1990 is the crossflow piston. As the air / fuel mixture travels through the transfer port and into the cylinder, a deflector, cast into the top of the piston, directs the air / fuel mixture towards the combustion chamber and spark plug tip for maximum efficiency. All engines with deflectors on top of the pistons will be crossflow engines. External inspection of a crossflow engine will reveal removeable transfer port covers on the side of the cylinders.
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700-14070 Piston Kit (ø 2.993) replaces MerCruiser part # 783-9613T1 Loopcharged Pistons for 3-Cylinder 50-60 HP (1998-2002)
Mercury / Mariner / Force
These engines use ø 2.955” (75mm) Pistons | 50 HP | 3-Cyl | 1998-2002 | | 55 HP | 3-Cyl | 1998-2002 | | 60 HP | 3-Cyl | 1998-2002 |
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700-14080 Piston Kit w/ Rings & Wrist Pins (ø 2.993 +.015) replaces MerCruiser part # 783-9613T2 Loopcharged Pistons for 3-Cylinder 50-60 HP (1998-2002)
Mercury / Mariner / Force
These engines use ø 2.955” (75mm) Pistons | 50 HP | 3-Cyl | 1998-2002 | | 55 HP | 3-Cyl | 1998-2002 | | 60 HP | 3-Cyl | 1998-2002 |
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700-14090 Piston Kit w/ Rings & Wrist Pins (ø 2.993 +.030) replaces MerCruiser part # 783-9613T3 Loopcharged Pistons for 3-Cylinder 50-60 HP (1998-2002)
Mercury / Mariner / Force
These engines use ø 2.955” (75mm) Pistons | 50 HP | 3-Cyl | 1998-2002 | | 55 HP | 3-Cyl | 1998-2002 | | 60 HP | 3-Cyl | 1998-2002 |
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