9 2-Stroke 1965–1986 47-89981 Serial number 2278851 and up Mercury 40 (4 HP) 1-Cylinder 4 2-Stroke 1965–1986 47-89981 Serial number 2278851 and up Mercury 4 HP 1-Cylinder USA 4 2-Stroke 1965–1986 47-89981 Inside diameter 0
This helps with sealing and future removal
we recommend measuring your old seal's dimensions (Outer Diameter
EPDM rubber is highly resistant to UV rays
While this 6E5-W0078-A1-00 kit fits many engines in that range
Thermostat Kit 140°F (60°C) – Fits MerCruiser 4.3L, 5.0L, 5.7L, 7.4L, 8.2L (Replaces 807252Q4, 807252T4, 807252T7) 4.4HP 9 2-Stroke 1965–1986 47-89981 SerialProduct Details This Thermostat Kit 140F (60C) Fits MerCruiser 4. 3L, 5. 0L, 5. 7L, 7. 4L, 8. 2L is engineered for MerCruiser sterndrive and inboard engines using standard cooling systems. It is specifically designed for V6 4. 3L engines from 1987 to 1995 and V8 engines in 5. 0L, 5. 7L, 7. 4L, and 8. 2L displacements from 1982 to 1999. It serves as a direct replacement for Mercury MerCruiser part numbers 807252Q4, 807252T4, 807252T7, and 8M0089715, as