.010 Oversize Piston Rings Compatible With 1978-2006 Mercury Mariner Inline 2-Stroke Outboard 2.885

OEM CROSS-REFERENCE PART NUMBERS:
• 39-78918A12
• 85636A12
• 18-3923
• 39-78918A4
• 39-85636A4
• 18-3922

SPECIFICATIONS:
• Type: Piston Ring Set
• Size: .010 Oversize
• Bore: 2.885"
• Includes: Compression Ring(s) and Oil Ring(s)
• Quantity: 1 Cylinder Set
• Material: Cast Iron
• Fitment: Mercury and Mariner 2-stroke outboard motors
• Horsepower: 40HP-100HP
• Configuration: Inline

COMPATIBILITY:
• Mercury 40HP (1978-2006)
• Mercury 50HP (1978-2006)
• Mercury 60HP (1978-2006)
• Mercury 75HP (1978-2006)
• Mercury 80HP (1978-2006)
• Mercury 100HP (1978-2006)

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

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov