OEM: MERCURY MARINE 27-99960
- The Sierra 18-0389 Heat Exchanger End Gasket is interchangeable with the following: GLM 31830, Mercruiser 27-99960. Each Sierra product meets or exceeds the original equipment part it replaces.
- Sierra Heat Exchanger End Gasket
- Diameter: 3-15/16"
- Sierra part number: 18-0389
- Interchangeable with the following: GLM 31830, Mercruiser 27-99960
- The Sierra 18-0389 Heat Exchanger End Gasket is interchangeable with the following: GLM 31830, Mercruiser 27-99960. Each Sierra product meets or exceeds the original equipment part it replaces.
- Sierra Heat Exchanger End Gasket
- Diameter: 3-15/16"
- Sierra part number: 18-0389
- Interchangeable with the following: GLM 31830, Mercruiser 27-99960
