Piston Ring 39-93481A12 

Piston Ring (ø 3.125) replaces Mercury/Mariner/Force part # 39-93481A12

    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.

MSRP: $42.67
Your Price: $38.99
You Save: 9% off MSRP!

Additonal Info On This Product:
Fits:
Mercury/Mariner/Force V-105 Jet, Made in USA, Serial Range: 0D082000 and Up
Mercury/Mariner/Force V-135 w/ Rod No. 636-8118, Made in USA, Serial Range: 0A904646-0D081999
Mercury/Mariner/Force V-135 w/ Rod No. 644-818141, Made in USA, Serial Range: 0A904646-0D081999
Mercury/Mariner/Force V-135, Made in USA, Serial Range: 0D082000 and Up
Mercury/Mariner/Force V-150 w/ Rod No. 636-8118, Made in USA, Serial Range: 0A904646-0D081999
Mercury/Mariner/Force V-150 w/ Rod No. 644-818141, Made in USA, Serial Range: 0A904646-0D081999
Mercury/Mariner/Force V-150, Made in USA, Serial Range: 0D082000 and Up
Mercury/Mariner/Force V-175, Made in USA, Serial Range: 4301235-5393736
Mercury/Mariner/Force V-175, Made in USA, Serial Range: 8058870-8064249
Mercury/Mariner/Force V-175, Made in USA, Serial Range: 5393737-6618750
Mercury/Mariner/Force V-175, Made in USA, Serial Range: 8064250 and Up
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