PRODUCT DETAILS
Powerhead Gasket Set for Yamaha 40HP 50HP 2-Stroke Outboards (1984–1995)
✅ Shopify Product Description:
Powerhead Gasket Set for Yamaha 40HP & 50HP 2-Stroke Outboards (1984–1995)
Ensure your Yamaha outboard engine runs at peak performance with this high-quality marine-grade powerhead gasket set, designed for 3-cylinder, 2-stroke Yamaha models. Perfect for engine rebuilds, servicing, and maintenance.
✅ Key Features:
- Premium aftermarket gasket set
- Designed for Yamaha 40HP and 50HP outboard engines (1984–1995)
- Built to meet or exceed OEM specifications
- Durable, reliable sealing for long engine life
- Easy to install, direct replacement
✅ Fits the Following Yamaha Models:
- 40E (1984–1995)
- 40H (1984–1995)
- 40N (1984–1995)
- 50E (1984–1995)
- 50D (1984–1995)
✅ Replaces Yamaha Part Numbers:
6H4-W0001-02, 6H4-W0078-01-00, 6H4-W0078-01-02, 6H4-W0078A1-00
⚠️ Compatibility Reminder:
It is the buyer's responsibility to confirm compatibility before purchasing.
If you’re unsure, contact SSI Marine — our experienced team is happy to help!
✅ Why Buy from SSI Marine?
- High-quality outboard parts at competitive prices
- All products in UK stock for same-day dispatch (orders before 1 PM)
- Tracked 24-hour delivery
- Friendly, knowledgeable customer support
Order now from SSI Marine — trusted for reliable marine parts and fast UK delivery!
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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