859187A1 Port Trim Sender Sensor Sending Unit For Mercury Mariner Optimax

Product Overview

This port trim sender sensor sending unit monitors the trim angle of the outboard motor for Mercury Mariner Optimax engines. It sends position data to the trim gauge, allowing the operator to see the drive angle. Essential for boaters needing to replace a faulty trim sender on their Optimax outboard.

Key Features & Performance

• Direct replacement for Mercury Mariner OEM part 859187A1
• Provides accurate trim position feedback to the gauge
• Constructed with corrosion-resistant materials for marine environments
• Plug-and-play installation with the original connector
• Designed to match factory specifications for reliable performance

Fitment & Compatibility

• Mercury Optimax outboard engines (various models)
• Mariner Optimax outboard engines
• Compatible with engines originally equipped with part 859187A1

Common Uses

• Replacing a failed or inaccurate trim sender on an Optimax outboard
• Restoring proper trim gauge reading for safe operation
• Boat maintenance and repair of trim systems

Technical Specifications

• Part Number(s): 859187A1
• Type: Trim position sender/sensor
• Application: Port side (left) for Mercury/Mariner Optimax

Frequently Asked Questions

Q: Will this trim sender fit my Mercury Optimax 150? A: It is designed for many Mercury Optimax models; please verify your existing part number matches 859187A1 for compatibility.

Q: Is this the port or starboard side sender? A: This is the port (left) side trim sender sensor unit.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.