Mercury MerCruiser Front Engine Mount Trunnion Bracket Casting 66418 - Used

Mercury / MerCruiser-style cast aluminum front engine mount trunnion bracket, carrying the cast number 66418. Includes the clamp collar, pinch bolt with nut and washer, and the trunnion arm.

Application: Associated with MerCruiser inboard / sterndrive front engine mount installations (GM-based marine V6/V8 family). Application is NOT verified — 66418 is a casting number, not a confirmed orderable service part number, and the correct Mercury service number may differ.

Condition: Used take-off, untested. Light surface oxidation and rust staining on the hardware, normal handling marks on the casting, no visible cracks. Not load tested or crack tested.

Quote is subject to final fitment confirmation by engine/transmission serial number, part number, photos, and supplier availability.

Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.

Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.