Mercury V6 3.4L F175-225HP 4-Stroke EFI Long Block years 2018-2026

Rebuilt Mercury V6 3.4L F175-225HP 4-Stroke EFI Long Block, years 2018-2026

Looking for a reliable rebuilt long block? These long blocks are built by OBR Parts and Marine with all-new bearings, seals, rings, and pistons, and come with the cylinder heads installed.

Warranty: 2-year warranty included. An optional 12-month extended warranty is available for $940 (must be added within 30 days of purchase). You can add it below.

Need help choosing? To make sure you get the right long block, please send us your motor's serial number and model number (found on the transom bracket). Email orders@hawkeyemarine.net or call 615-691-1433. We're here to help!

Core returns: Return your old core for a refund based on its condition. Contact us for the current core value.

Ships fast, direct from the manufacturer.

About Hawkeye Marine: As a dealer for OBR Parts and Marine (established 1982), we sell new and rebuilt powerheads, lower units, and sterndrives, backed by fitment help from outboard specialists.