Description
Mercury 8M0171818 Power Trim Assembly is a genuine OEM replacement tilt and trim unit designed for select Mercury and Mariner outboards from 65 to 125 horsepower. This complete factory assembly delivers smooth, precise engine trim control for improved performance, fuel efficiency, and handling in all operating conditions.
Replacing the previous part number 8M0090335, this updated assembly ensures dependable hydraulic operation with marine-grade components built to resist corrosion and wear in harsh environments.
Features
- OEM Replacement: Genuine Mercury Marine power trim and tilt assembly—engineered to restore original trim performance.
- Improved Design: Updated version replaces 8M0090335 with enhanced hydraulic sealing and corrosion protection.
- Precise Control: Provides smooth, reliable engine trim and tilt operation for optimal boat balance and fuel efficiency.
- Durable Construction: Built for long-term reliability with heavy-duty hydraulic components and marine-grade materials.
- Plug-and-Play Fit: Designed for easy installation as a direct factory replacement—no modification required.
Applications
- Mercury and Mariner outboards rated 65–125 HP
- Compatible with select non-DTS engine models
- Use as a complete replacement tilt/trim assembly
Specifications
- Part Number: 8M0171818
- Supersedes: 8M0090335
- Component Type: Power Trim / Tilt Assembly
- Approx. Dimensions: 24.0″ L × 9.13″ W × 6.38″ H
- Category: Controls & Rigging › Trim Systems
- Brand: Mercury
- Country of Origin:
- Prop 65 Warning: Cancer and Reproductive Harm
Usage Notes
Always verify engine model and serial number before ordering to ensure proper fit. Designed for non-DTS outboards. Professional installation recommended for hydraulic system components.
Restore smooth, reliable trim performance with the Mercury 8M0171818 Power Trim Assembly—engineered for precision, durability, and OEM reliability.




