89-96158T Aftermarket Mercruiser 12V Trim Solenoid 35-300HP | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercury / MerCruiser 12-Volt Trim and Starter Solenoid - Part Number: 89-96158T

Marine-rated four-terminal solenoid used as a high-current trim-pump relay and on specified starter circuits across Mercury, Mariner and MerCruiser applications.

⚙️ Key Features

• 12 V insulated-base solenoid

• Four-terminal stepped mounting plate

• 1/4-20 high-current studs and 8-32 control terminals

• SAE J1171 marine ignition-protected construction

• Suitable for trim UP/DOWN switching and specified starter circuits

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0185622 → Current later service replacement for 89-96158T

• 89-96158T → Supersedes 89-96158

• 89-96158 → Replaces 89-94318 and 89-846070 on the applicable circuit

OEM / Related Numbers:

• 8M0185622

• 89-96158T

• 89-96158

• 89-94318

• 89-846070

• Sierra 18-5817

• ARCO SW058

• API SW101

• ProTorque PH375-0039

• REC89-96158T

Aftermarket / Verified Equivalents:

• Sierra: 18-5817

• ARCO: SW058

• API Marine: SW101

• ProTorque: PH375-0039

• Recmar: REC89-96158T

🚤 Compatibility

Commonly used on:

• Mercury/Mariner outboard and MerCruiser trim-pump high-current circuits

Typically suits:

• Engine / drive models:

• Mercury/Mariner 35-115 HP inline applications using the listed solenoid

• V135, V150, V175, V200, V220, V250 and V275 two-stroke outboards where specified

• MerCruiser remote trim pumps using two 89-96158T solenoids

• Selected Mercury starter-solenoid applications with matching terminals

• HP Range: Approximately 35-300 HP on documented outboard applications; MerCruiser is drive dependent

• Engine / Drive Type: 12 V high-current trim/starter solenoid

• Year Range: Approximately 1980s onward

• Serial / Identification Range: Confirm terminal sizes, insulated base, mounting pattern and wiring diagram. Plastic-reservoir remote trim pumps normally use two solenoids.

🔌 Function

Uses a low-current control signal to connect battery power to the trim motor or starter without routing full motor current through the control switch.

Common signs of failure or replacement requirement:

• Clicking with no motor operation

• Trim works in one direction only

• High voltage drop across burnt contacts

• Melted terminals or overheated cable

• Solenoid remains engaged after the switch is released

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging