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            Sierra Drain Screw 18-1236. Drain Screw for Johnson/Evinrude Outboard Engines. Drain plug screws from Sierra Marine are high-quality replacements that protect the oil from leaking. This oil drain plug screw is a magnetic drain screw for Lower Unit Drain. Replacement components for the engine keep your boat in the water by preventing leaks. Each Sierra product meets or exceeds the specifications of the OEM component it replaces. It guarantees your product's high performance, dependability, and prolonged service life.
Key Features:
Specifications:
For: Cobra Drives & V-6 40-50HP (1989-97)