PRODUCT DETAILS
Main Power Relay for Mercury / Mariner Outboards
Marine-grade aftermarket main power relay for selected Mercury and Mariner 75 HP, 80 HP, 90 HP and 100 HP EFI 4-stroke outboards.
Fitment
Mercury / Mariner 4-Stroke EFI
- 75 HP EFI – Serial 1B172291–1B366822
- 80 HP EFI – Serial 1B227000–1B366822
- 90 HP EFI – Serial 1B172291–1B366822
- 100 HP EFI – Serial 1B227000–1B366822
Please check your engine serial number before ordering.
Replaces Mercury / Mariner Part Number
- 881350T01
Search references: 881350T01 / 881350 T01
OEM part numbers are used for identification only.
Product Features
- Main power relay
- 75 / 80 / 90 / 100 HP
- Mercury / Mariner EFI
- 4-Stroke
- Marine-grade aftermarket replacement
- Direct replacement where part number and serial range match
- New
Important
Mercury used different relays depending on engine model and serial number.
If the relay looks the same as yours, this does not always mean it is the correct part.
Please check your HP, serial number and original relay part number before ordering.
Electrical parts that have been fitted cannot be returned unless faulty.
Why Buy From SSI Marine?
- Workshop-tested aftermarket & OEM-spec parts
- Same-day dispatch before 1 PM Mon–Fri
- Royal Mail Tracked 24
- UK stock
- Collection from Leigh, Greater Manchester
- Technical support available
Buyer Responsibility
Please confirm compatibility before purchase. If unsure, send us your engine serial number and we will be happy to check.
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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