This API Marine tilt and trim system is designed for Mercury and Mariner 35–250 HP outboards (1984–1995) equipped with the 3-ram, 3-wire configuration.
It replaces OEM #818186A6, covering both Design I (side-fill) and Design II (aft-fill) systems.
The assembly includes a relay harness that allows conversion from an older 2-wire motor setup to a compatible 3-wire trim system.
Product Features
- Direct replacement for OEM #818186A6
- Fits Mercury & Mariner 35–250 HP, model years 1984–1995
- Compatible with 3-ram, 3-wire tilt & trim systems
- Replaces Design I side-fill and Design II aft-fill units
- Includes relay harness to convert from 2-wire to 3-wire
- High-quality API Marine construction
- Supports full tilt/trim functionality for improved performance
Additional Information
If you require additional parts for your trim/tilt system, contact us for assistance — not all items are listed online.
Shipping Information
Additional shipping fees to Alaska, Hawaii, U.S. Territories, and international destinations will be calculated after checkout.
A PayPal money request will be sent for any adjusted charges.
(Some items may not qualify for international shipping.)
Customer Support
For questions or compatibility confirmation, email: customerservice@marinepartswarehouse.com
Please include your engine model number.
