Boat owners, if your tilt trim system is failing, this complete replacement assembly will get you back on the water! This floor-mounted unit includes the pump, reservoir, solenoids, and wiring - everything you need for a straightforward replacement. Compatible with multiple Mercury and MerCruiser drives including Alpha One (1988-1991, 1998), Bravo series, MC1 drives (1983-1987), and MPI DTS systems. Replaces OEM part numbers 88183A8, 14336A15, 14336A6, P526N, RT05046, and Sierra 118-6752. The 12-volt Oildyne pump provides reliable hydraulic power for smooth trimming and tilting operations. The 3-wire connection with ring terminal ends makes installation straightforward for most DIY boat mechanics. Perfect for when your existing unit is worn out, leaking, or not functioning properly. Before ordering, verify your original part number to ensure compatibility with your specific drive system. Quality aftermarket construction that delivers reliable performance without the OEM price tag. Don't let a faulty tilt trim system keep you ashore - this complete assembly makes repair much simpler than piecing together individual components.