OEM Grade Piston Kit .040 Oversize Compatible with 1994-2006 Mercury Mariner 75HP 90HP 100HP 115HP 4-Cylinder 2-Stroke Outboard 3.415 Bore 700-896962A02 700-879858T03

Piston Kit .040 Oversize Compatible with 1994-2006 Mercury Mariner 75HP-115HP 4-Cylinder 2-Stroke Outboard 3.415" Bore
Direct replacement .040 oversize piston kit for 1994 through 2006 Mercury and Mariner inline 4-cylinder 2-stroke outboard motors with 3.375" standard bore. Fits 75HP, 90HP, 100HP, and 115HP models. Kit includes cast aluminum piston machined to 3.415" bore (.040 oversize over 3.375" standard), piston ring set, wrist pin, and circlip retainers for a complete single-cylinder rebuild. Symmetrical piston design fits all cylinders — order 4 kits for complete rebuild.

OEM CROSS-REFERENCE PART NUMBERS:
• 700-896962A02 (family reference)
• 700-879858T03 (family reference)
• 326764 (wrist pin)
• 326765 (circlip retainers)

SPECIFICATIONS:
• Type: Piston Kit with Rings
• Size: .040 Oversize
• Bore: 3.415" (.040 oversize over 3.375" standard)
• Engine: Inline 4-Cylinder 2-Stroke Loop Charge
• Horsepower: 75HP-115HP
• Piston Type: Symmetrical (fits all cylinders)
• Kit Contents: Piston, Ring Set, Wrist Pin, Circlip Retainers
• Material: Cast Aluminum

APPLICATIONS:
• 75HP 4-Cylinder 2-Stroke (1994-2006)
• 90HP 4-Cylinder 2-Stroke (1994-2006)
• 100HP 4-Cylinder 2-Stroke (1994-2006)
• 115HP 4-Cylinder 2-Stroke (1994-2006)

NOTES:
• Symmetrical piston — same piston fits all cylinders
• Order 4 kits for complete 4-cylinder engine rebuild

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