This listing is for a lot of 12 Rings.
- Genuine OEM Mercury Quicksilver Parts
- 35-115 HP Inline 3” Oversize Piston Ring
- Diameter: 3"
- Manufacturer: Mercury, Mariner, Quicksilver, MerCruiser
- Part Number: 39-78811A12
- Also Known As: 3978811A12, 39-45204A12, 3945204A12
- For use with:
- 35 HP - 35
- 1500XS - 1500XS
- 75 HP - 75 (4 CYL.)
- 80 HORSEPOWER - 80
- 90/115 HP (INLINE) - 90 (6 CYL.)
- 90/115 HP (INLINE) - 115 (6 CYL.)
- 50/60 HP (3 CYLINDER) - 60 (3 CYL.)
- MERC 140 - 140
- MARINER 70 - 70
- MARINER 90 - 90 (6 CYL.)
- MARINER 115 - 115 (6 CYL.)
- MERC 80 - 800 (4 CYL. ), 80 (4 CYL.)
- MERC 70 (3 CYLINDER) - 70 (3 CYL.)