Port Side Standard Bore Piston Kit with Rings Compatible with 1992-2006 Mercury Mariner V6 2-Stroke Loop Charge 135HP-200HP Outboard Motor 3.125 Bore 785-9737A2 785-9737T4 326764

Port Side Piston Kit Standard Compatible with 1992-2006 Mercury Mariner 135HP-200HP V6 2-Stroke Outboard 3.125" Bore
Direct replacement standard size port side piston kit for 1992 through 2006 Mercury and Mariner V6 2-stroke loop charge outboard motors with 3.125" standard bore. Kit includes cast aluminum piston machined to 3.125" bore, piston ring set, wrist pin, and circlip retainers for a complete single-cylinder rebuild. Port side only — order matching starboard piston kit separately for complete rebuild.

OEM CROSS-REFERENCE PART NUMBERS:
• 785-9737A2 (port standard piston)
• 785-9737T4 (supersedes 785-9737A2)
• 785-9737A4
• 326764 (wrist pin)
• 326765 (circlip retainers)

SPECIFICATIONS:
• Type: Port Side Piston Kit with Rings
• Size: Standard
• Bore: 3.125" Standard
• Engine: V6 2-Stroke Loop Charge
• Horsepower: 135HP-200HP
• Side: Port (Left)
• Kit Contents: Piston, Ring Set, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum

APPLICATIONS:
• 135HP V6 2-Stroke (1992-2006)
• 150HP V6 2-Stroke (1992-2006)
• 175HP V6 2-Stroke (1992-2006)
• 200HP V6 2-Stroke (1992-2006)

NOTES:
• This is the PORT side piston only — order matching starboard piston separately
• Kit is for ONE cylinder — V6: order 3 port + 3 starboard pistons

⚠️ Verify OEM part number from your original engine before ordering.