PRODUCT DETAILS
Starter Solenoid / Starter Relay for Mercury & Mariner Outboards
High-quality marine-grade aftermarket starter solenoid relay for selected Mercury and Mariner 8 HP, 9.9 HP, 25 HP and 30 HP 4-stroke outboard engines.
Designed to provide reliable starter motor engagement and replace the original relay where the engine model and part number match.
Fitment
Mercury / Mariner 4-Stroke Outboards
Fits selected:
- 8 HP – 4-Stroke
- 9.9 HP – 4-Stroke
- 25 HP – 4-Stroke
- 30 HP – 4-Stroke
Please check your exact engine model, serial number and original starter relay part number before ordering.
Mercury and Mariner used different starter solenoids depending on engine year and serial number, so do not order by horsepower alone.
Replaces Mercury / Mariner Part Numbers
- 881352T
- 89-853809001
- 8M0098898
Searchable References
- 881352 T
- 881352T
- 89853809001
- 853809001
- 8M0098898
OEM part numbers are used for identification and reference purposes only.
Product Features
- Starter solenoid relay
- Starter motor relay
- Mercury / Mariner 8 HP / 9.9 HP / 25 HP / 30 HP
- 4-Stroke
- Direct replacement where part number matches
- Reliable starter motor engagement
- Marine-grade aftermarket construction
- New
Important – Electrical Part
A faulty starter solenoid may cause:
- Starter motor not operating
- Clicking when turning the key
- Intermittent starting
- Starter operating occasionally
- No-crank condition
These symptoms can also be caused by the battery, starter motor, ignition switch, earth connection, wiring or terminals.
Electrical parts that have been fitted or installed cannot be returned unless faulty.
Buyer Responsibility
It is the buyer's responsibility to confirm compatibility before purchase.
Please check your:
- Engine HP
- Engine model
- Serial number
- Original starter solenoid part number
If the relay looks the same as yours, this does not always mean it is the correct part for your outboard.
If you are unsure, contact SSI Marine with your engine model and serial number and we will be happy to help.
For more information on identifying and ordering the correct outboard part, please see our SSI Marine help page:
https://www.ssimarine.co.uk/pages/contact-us
Why Buy From SSI Marine?
- Workshop-tested aftermarket & OEM-spec marine parts
- Same-day dispatch before 1 PM Monday–Friday
- Royal Mail Tracked 24
- UK stock
- Collection available from Leigh, Greater Manchester
- Technical support available
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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