Parts Player 12V Solenoid for MerCruiser/Mercury/Mariner 89-96158T — Threaded Terminals

OEG Parts 12V solenoid replaces MerCruiser/Mercury/Mariner part 89-96158T to restore starter and trim relay function on compatible marine engines.

When a worn or corroded solenoid leaves your outboard or inboard/outboard struggling to start or to operate tilt/trim, this direct-fit replacement from Parts Player (OEG Parts) is engineered to match the original MerCruiser/Mercury/Mariner 89-96158T form and function. Built for 12V systems and designed for use with a broad range of starters and trim motors on 35–275 HP engines, this unit offers threaded terminals, tested reliability, and a corrosion-resistant flat bracket for marine conditions.

Will this solenoid fit my MerCruiser, Mercury, or Mariner engine?

Yes — the OEG Parts solenoid is made as a compatible replacement for multiple OEM numbers including 89-96158T and equivalent part codes. It’s intended for a wide span of starters and trim motors used across many MerCruiser, Mercury and Mariner models.

• Replaces OEM numbers: 24022005, SMR6001, 89-96158T and more.
• Fits starters and trim systems on 35–275 HP outboards and I/Os.
• Designed to match mounting footprint (flat bracket) and terminal arrangement.

What electrical and hardware connections does it use?

This replacement is a 12V solenoid and includes specific threaded terminals for secure battery, motor, ground and switch connections. The terminal set provides common marine thread sizes so you can reuse or replace wiring without custom adapters.

• Includes 1/4-20 threaded battery and motor terminals for heavy-current connections.
• Includes 8-32 threaded ground and switch terminals for control wiring.
• No mounting hardware included—bracket dimensions provided for compatibility checks.

How durable is this solenoid in a marine environment?

The part is manufactured with enhanced corrosion resistance and undergoes testing for reliability, durability and performance before shipment. Its design aims to hold up where saltwater exposure and vibration are factors.

• Exceeds Sierra 18-5816 in corrosion resistance benchmarks.
• Tested for electrical and mechanical performance prior to sale.
• Flat bracket and compact housing (approx. 4 x 2.6 x 2.3 inches) for robust mounting.

What are the physical specifications and what should I check before buying?

The solenoid ships new from China, weighs about 5.1 ounces for the bracketed assembly, and is supplied as a single-piece replacement. Confirm terminal thread sizes and bracket footprint against your existing unit to ensure fitment.

• Voltage: 12V; Condition: New; Number of pieces: 1.
• Bracket weight: 5.1 ounces; dimensions: 4 x 2.6 x 2.3 inches.
• Check existing terminal threads (1/4-20 and 8-32) and mounting pattern before installation.

Who this is for: Technicians, marine DIYers and boat owners who need a tested, direct-fit replacement solenoid for MerCruiser, Mercury or Mariner starters and tilt/trim systems will find this Parts Player OEG Parts unit useful. It’s suited for those who want standard marine terminal threads, improved corrosion resistance over common aftermarket options, and a compact flat-bracket design that matches many OEM mounting locations. If you maintain boats with 35–275 HP engines and need a reliable 12V relay/solenoid to restore starting or trim operation, this replacement was built to be a practical, drop-in option.