Description

Sierra’s 18-2375 Magnetic Drain Screw and gasket set is designed for Mercury and Mariner outboards of Japanese origin that utilize an 8×1.25 metric threaded screw. It provides a reliable replacement option for marine gearcase maintenance and is interchangeable with Chrysler/Force/US Marine 22-67892 and 22-67892A1, GLM 21731, Mallory 9-72651, and multiple Mercruiser and Mercury Marine part numbers. Manufactured to meet or exceed original equipment specifications, it delivers dependable performance and consistent fit in marine applications. The set includes a magnetic drain screw with gasket for effective sealing and debris collection during service.

Features

Designed for Mercury and Mariner outboards of Japanese origin with 8×1.25 metric threaded applications
Magnetic drain screw helps capture metallic debris during gearcase maintenance
Interchangeable with GLM 21731 and Chrysler/Force/US Marine 22-67892 and 22-67892A1
Compatible with multiple Mercruiser and Mercury Marine OEM part numbers
Includes gasket for proper sealing and leak prevention
Thread Size: 3/8″ or 9.5mm – 16
Note: Not to used on #1/R lower units
Fits: Mercury/Mariner O/Bs of Japanese origin that use an 8×1.25 metric threaded screw
Fits: Mercruiser I, R, MR, Alpha One, TR, TRS
Premium quality for longer life
Meets or exceeds manufacturer specs