Complete Engine Assembly - 2018 Mustang

When sourcing a complete engine for your 2018 Ford Mustang GT, verify you're getting the Gen 3 Coyote variant—service part FU3Z-6006-A or its supersession FU3Z-6006-B—which features the distinctive dual fuel injection system and plasma-transferred wire arc cylinder liners unique to 2018-2023 models. Junkyard hunters should look for block casting HR3E-6015-CA stamped on the passenger side rail to confirm Gen 3 status, as 2015-2017 Gen 2 engines appear similar but lack direct injection mounting bosses and have incompatible PCM strategies. Always inspect the high-pressure fuel pump mounted on the driver side timing cover—common failure point—and check cam phaser solenoids for ticking noises. During installation, transfer all accessories including the specific 2018+ intake manifold and dual fuel rails, replace flywheel bolts with new torque-to-yield units, and ensure your PCM flash supports the dual-injection strategy or you'll trigger immediate limp mode.