Starter & Power Trim Solenoid Relay for Mercury / Mariner Outboards

Marine-grade starter & power trim solenoid relay assembly suitable for Mercury and Mariner 2-stroke, 3-cylinder outboards. Designed to deliver reliable starting power and trim/tilt function on compatible engines.

Fitment – Mercury / Mariner Outboards

Fits the following 2-stroke, 3-cylinder models:

• 40HP
• 45HP
• 50HP
• 55HP
• 60HP
• 70HP

This part is designed for earlier 2-stroke models requiring this combined relay assembly. Compatibility is confirmed by part number fits — please check your exact model and serial before purchase.

Replaces Mercury / Mariner Part Numbers

• 89-96054
• 89-96054T
• 89-850189T
• 91975
• 96054
• 96054B
• 96054TIFY (alternate castings/label variations)

OEM part numbers used for reference only.

Product Quality

• Marine-grade aftermarket starter and PTT solenoid relay
• Designed for reliable starting and trim/tilt performance
• Fully compatible and interchangeable with OEM components
• Workshop-tested for durability and performance

Buyer Responsibility

Please confirm compatibility using your engine model, year, and serial number before ordering.
Even if a part looks similar, it may not be correct for your specific outboard.

If you have any concerns regarding suitability, please contact us before purchase and our technical team will be happy to assist.

For general guidance on choosing the correct outboard parts, visit our help page:
https://sssimarine.co.uk/blogs/news/blogs-news-how-to-order-the-correct-outboard-parts

About SSI Marine

All parts are held in UK stock and dispatched from our Leigh (Manchester) workshop.
Collection available Monday–Friday, 9am–5pm.
Orders placed before 1pm are dispatched the same working day.
VAT receipts available upon request.

40HP 45HP 50HP 55HP 60HP 70HP Starter Trim Solenoid Relay – Mercury Mariner 2-Stroke