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GLM Marine Catalog - Pistons

Piston Kit 783-9613T1
Your Price:
$49.99

Piston Kit 783-9613T1

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 HP3-Cyl1998-2002
55 HP3-Cyl1998-2002
60 HP3-Cyl1998-2002


Piston Kit 783-9613T2
Your Price:
$47.99

Piston Kit 783-9613T2

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 HP3-Cyl1998-2002
55 HP3-Cyl1998-2002
60 HP3-Cyl1998-2002


Piston Kit 783-9613T3
Your Price:
$47.99

Piston Kit 783-9613T3

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 HP3-Cyl1998-2002
55 HP3-Cyl1998-2002
60 HP3-Cyl1998-2002


Piston Port Kit (ø 3.50 +.030)
Your Price:
$71.99

Piston Port Kit (ø 3.50 +.030)

700-14450

Piston Port Kit (ø 3.50 +.030)

Loopcharged Pistons for V6 XR2, XR6, MAG III, V-140 - V-200 (1991-2000)
Mercury / Mariner / Force
These engines use ø 3.50” pistons

V-140 Jet6-Cyl0G760300-0T178499
XR6, MAG III6-Cyl0D082000-1B226999
150 XRI6-Cyl0D082000-0G303045
175 XRI6-Cyl0D000750-0G303045
V-175 (2.5L)6-Cyl0D082000-0G960499
200 XRI6-Cyl0C291520-0G303045
V-200 (2.5L)6-Cyl0D082000-IB226999
V-200 (2.5L)6-Cyl0C291520-0D081999
w/ Rod No. 644-818141
V-200 EFI6-Cyl0G303046-0T408999
w/ Rod No. 644-818141


Piston Ring (ø 2.565 +.030)
Your Price:
$7.99

Piston Ring (ø 2.565 +.030)

700-14261

Piston Ring (ø 2.565 +.030)

All rings come 2 to a set.

    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.


Piston Ring 39-18487A12
Your Price:
$35.99

Piston Ring 39-18487A12

700-14270

Chrome Piston Ring (ø 3.375) replaces Mercury/Mariner/Force part # 39-18487A12

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-18653A1
Your Price:
$39.99

Piston Ring 39-18653A1

700-14251

Piston Ring (ø 2.565 +.015) replaces MerCruiser part # 39-18653A1

All rings come 2 to a set

    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.


Piston Ring 39-18653A12
Your Price:
$7.99

Piston Ring 39-18653A12

700-14241

Piston Ring (ø 2.565) replaces MerCruiser part # 39-18653A12

All rings come 2 to a set.

    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.


Piston Ring 39-19721A1
Your Price:
$8.93

Piston Ring 39-19721A1

700-14921

Piston Ring (ø 2.993 +.015) replaces MerCruiser part # 39-19721A1

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-19721A2
Your Price:
$19.99

Piston Ring 39-19721A2

700-14931

Piston Ring (ø 2.993 +.030) replaces MerCruiser part # 39-19721A2

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-19721A6
Your Price:
$59.99

Piston Ring 39-19721A6

700-14911

Piston Ring (ø 2.993) replaces MerCruiser part # 39-19721A6

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-78918A4
Your Price:
$9.99

Piston Ring 39-78918A4

700-14250

Piston Ring (ø 3.125 +.015) replaces Mercury/Mariner/Force part # 39-78918A4

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-813011A12
Your Price:
$7.99

Piston Ring 39-813011A12

700-14275

Piston Ring (Iron) replaces Mercury/Mariner/Force part # 39-813011A12

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-815267A4
Your Price:
$10.99

Piston Ring 39-815267A4

700-14280

Chrome Piston Ring (ø 3.375 +.020) replaces Mercury/Mariner/Force part # 39-815267A4

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-817096A16
Your Price:
$7.99

Piston Ring 39-817096A16

700-14220

Piston Ring (ø 2.875 +.015) replaces MerCruiser part # 39-817096A16

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-817096A26
Your Price:
$7.99

Piston Ring 39-817096A26

700-14230

Piston Ring (ø 2.875 +.030) replaces MerCruiser part # 39-817096A26

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-817096A6
Your Price:
$49.99

Piston Ring 39-817096A6

700-14210

Piston Ring (ø 2.875) replaces MerCruiser part # 39-817096A6

All rings come 2 to a set

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-821695A4
Your Price:
$22.99

Piston Ring 39-821695A4

700-14171

Piston Ring (ø 2.993) replaces MerCruiser part # 39-821695A4

All rings come 2 to a set

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-821695A6
Your Price:
$25.99

Piston Ring 39-821695A6

700-14181

Piston Ring (ø 2.993 +.015) replaces MerCruiser part # 39-821695A6

All rings come 2 to a set

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


Piston Ring 39-822321A1
Your Price:
$38.99

Piston Ring 39-822321A1

700-14950

Piston Ring (ø 3.500 +.015) replaces Mercury/Mariner/Force part # 39-822321A1

    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

Loopcharged: In 1976 Mercury / Mariner /Force introduced a V6 engine with loopcharged pistons. This engine was the V-175 HP 6-Cylinder. A loopcharged engine has a transfer port cast into the cylinder wall in such a way that it will direct the air / fuel mixture towards the combustion chamber and spark plug tip without the need for a piston deflector. All engines with a flat top or a slight dome on the top of the pistons will be loopcharged. Loopcharged engines will not have removable transfer port covers on the side of the cylinders.


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