PRODUCT DETAILS
Voltage Regulator / Rectifier for Mercury Mariner Outboards
Marine-grade aftermarket voltage regulator / rectifier for selected Mercury and Mariner 75 HP & 90 HP 4-stroke outboards with Yamaha-made powerheads.
Fitment
Mercury / Mariner 4-Stroke
- 75 HP – Serial 0G960500 to 1B226999
- 90 HP – Serial 0G960500 to 1B226999
These engines use Yamaha-made powerheads.
⚠️ This regulator does NOT fit all Mercury / Mariner 75 HP and 90 HP models. Please check your serial number before ordering.
Replaces Mercury / Mariner Part Numbers
- 80427811
- 804278A12
- 804278T
- 804278T1
OEM part numbers are used for identification only.
Product Features
- Voltage regulator / rectifier
- 75 HP & 90 HP
- Mercury / Mariner Outboards
- 4-Stroke
- Yamaha-made powerhead applications
- Marine-grade aftermarket replacement
- New
Important
Mercury used different regulator / rectifier assemblies depending on engine model and serial number.
If the part looks the same as yours, this does not always mean it is the correct part.
Please check your engine HP, serial number and original part number before ordering.
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.
YOU MIGHT ALSO LIKE
OFFICIAL PARTNERS OF
