If you're looking to restore trim and tilt performance and reliability on your Mercury or Mariner outboard engine, a brand new trim and tilt system is one of the most effective upgrades available.
 
These hydraulic systems are vital for smooth and responsive trim adjustment, and we offer two premium aftermarket solutions from API Marine—built as direct replacements for original Mercury triple ram trim tilt systems across a wide range of models.
 
These API Marine systems are designed for Mercury and Mariner outboards from 1984 to present, and support a wide range of engines from 35HP to 250HP, including 40HP, 60HP, 75HP, 90HP, 100HP, 115HP, 135HP, 150HP, 175HP, 200HP, and 225HP. Whether you’re running an older 3-wire tilt motor system or a newer 2-wire tilt trim configuration, these units deliver OEM-level performance at a much lower cost.
 
1) The first option, SKU TT2000, replaces the classic Mercury 3-wire triple ram trim tilt system used between 1984–1995. It’s compatible with multiple OEM part numbers such as 818186A6, 99186, 99186T, 99659A21, and 99659A22.
 
Ideal for Mercury and Mariner outboards from 35HP to 225HP, this trim tilt motor is commonly searched under keywords like Mercury outboard tilt and trim 3-wire, 3-ram tilt motor for 150HP Mercury, and Mariner power trim tilt 2-stroke 90HP.
 
A relay harness is included to easily convert older 3-wire systems to a modern 2-wire setup, increasing reliability and simplifying maintenance. Depending on your engine, this system also fits both “Design I side-fill” and “Design II aft-fill” hydraulic reservoir layouts.
 
2) The second option, SKU TT2001, is built for 1996 and newer Mercury and Mariner outboards using a 2-wire triple ram tilt and trim system. This high-performance unit replaces OEM part numbers including 855998A05, 855998A07, 855998A08, 855998A09, 855998A10, 855998A11, 826729T2, 8M0143219, 8M0168222, and 8M0168223.
 
This replacement trim tilt motor is perfect for late-model engines such as the Mercury 90HP 2-wire trim motor, 150HP EFI, 175HP 4-stroke, 200HP Optimax, 250HP Pro XS, and other compatible 2-stroke and 4-stroke models. Often searched under terms like Mercury tilt trim motor replacement, outboard 2-wire hydraulic trim system, or API Marine tilt unit for Optimax, this unit delivers precision movement, improved trim speed, and marine-grade durability.
 
Both TT2000 and TT2001 are brand new assemblies, not rebuilt or remanufactured units. Each features precision-machined rams, high-torque electric motors, and fully sealed hydraulic internals designed to withstand corrosion, saltwater exposure, and extreme use.
 
Whether you're replacing a worn-out 115HP Mariner trim unit, upgrading a 150HP Mercury ProXS tilt motor, or repairing a 200HP EFI triple ram tilt system, these units install easily and perform flawlessly.
 
API Marine is a trusted name in aftermarket marine parts, known for quality and consistency. If you're searching online for parts using terms like Mercury triple ram trim tilt motor, outboard trim tilt replacement 818186A6, or Mercury 2-wire tilt motor 855998A11, these units are exact-fit replacements with enhanced value and performance.
 
From restoring older 1984–1995 3-wire systems to maintaining modern 1996–up 2-wire outboards, the TT2000 and TT2001 are the top aftermarket choices for Mercury and Mariner trim tilt system replacement.
 
Whether you're running a 60HP 2-stroke or a 225HP EFI, API Marine gets you back on the water with smooth tilt operation and dependable power trim response.
 
Get back on the water with confidence—backed by API Marine quality, easy installation, and industry-leading customer support.
 
For more information, contact Mike Hill at 714-697-1716 or email mike@buckshotracing77.com