The serial number is also stamped on the gimbal housing. This is used as a permanent reference for Mercury Diesel authorized
repair facilities.
Gimbal housing with serial
number stamping
a - Transom assembly serial
number
SeaCore Equipped Drives
SeaCore Components and Castings
Mercury MerCruiser SeaCore power packages are equipped with additional stainless steel components and particular
aluminum castings with special coatings. Do not replace SeaCore components with non‑SeaCore. Use only the specified
Mercury MerCruiser SeaCore components and castings on these power packages.
Stainless Steel Fasteners
SeaCore models are equipped with additional stainless steel fasteners to maximize corrosion resistance in saltwater
environments.
Stainless steel fasteners are subject to galling when installed without lubrication. Galling can result in fastener destruction,
improper clamp loads, or both. Galled fasteners may appear to torque properly, but still have incorrect clamp loads.
Apply lubricant 2‑4‑C with PTFE or an equivalent, on the threads of stainless steel fasteners during installation to avoid galling.
Lubricate at least the first 8 mm (1/4 in.) of the threads before installation.
Tube Ref No.
Description Where Used Part No.
95
2-4-C with PTFE Threads of stainless steel fasteners 92-802859A 1
Section 1 - Getting to Know Your Power Package
Page 16 90-8M0145546 eng MAY 2018
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