Description
SIERRA Thermostat Housing Gasket, 2-Pack – 18-0164-9
A two-piece service pack of thermostat-housing gaskets used to restore the coolant seal when servicing the thermostat housing on compatible sterndrive and inboard engines.
- Application: Selected MerCruiser, OMC, Volvo Penta and Yamaha sterndrive thermostat housings; verify by OEM number.
- Primary function: Thermostat housing gasket
- Key specification: Package quantity – 2
- OEM / aftermarket cross-reference: GLM: 31340; Mallory: 9-60074; Mercruiser Stern Drive: 27-8146801; OMC Stern Drive: 311069, 3789161, 3852096; Volvo Penta: 3852096; Yamaha Sterndrive: GM3789161, YSC-13080-00-0C; MerCruiser: 27-8146801; OMC: 311069, 3789161, 3852096
- Verify mating surfaces and follow the engine or drive service procedure during installation.
This part is application-specific. Confirm the OEM number and engine or drive configuration before installation.
Application: Selected MerCruiser, OMC, Volvo Penta and Yamaha sterndrive thermostat housings; verify by OEM number.
Specifications
- Component: Thermostat housing gasket
- Package quantity: 2
- Service area: Engine cooling / thermostat housing
Interchange / Replaces
- GLM: 31340
- Mallory: 9-60074
- Mercruiser Stern Drive: 27-8146801
- OMC Stern Drive: 311069, 3789161, 3852096
- Volvo Penta: 3852096
- Yamaha Sterndrive: GM3789161, YSC-13080-00-0C
- MerCruiser: 27-8146801
- OMC: 311069, 3789161, 3852096

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