- Genuine OEM Mercury Quicksilver Parts
- Exhaust Cooling System Thermostat Housing Gasket
- Manufacturer: Mercury, Mariner, Quicksilver, MerCruiser
- Model Number: Thermostat Gasket
- Part Number: 27-54506
- Also Known As:
- Sierra 18-0349
- PCM RM0001
- For use with:
| 225 ENGINE - 225-S (4 BBL.)FORD 302 V-8 1973-1974 | 215 ENGINE - 215 (4 BBL.) FORD 302 V-8 1970-1972 |
| 215 ENGINE - 215 MIE FORD 302 V-8 1970-1972 | 233 ENGINE - 233 MIE FORD 351 V-8 1975-1976 |
| MERCRUISER SEC H FRESH WATER COOLING - Exhaust / Cooling Systems and Extension Kits | 255 ENGINE - 255 MIE FORD 351 V-8 1973-1974 |
| 233 ENGINE - 233 FORD 351 V-8 1975-1977 | 888 (2 BBL)ENGINE - 888 (2 BBL.) FORD 302 V-8 1971-1977 |