PRODUCT DETAILS
SSI MARINE Stainless Steel Propeller – 9 1/4 x 10 – 14 Tooth Spline
For Mercury & Mariner 15HP–20HP 4-Stroke Outboards (2007 & Newer)
This high-quality 3-blade stainless steel propeller is engineered for strength, performance, and durability. A direct replacement for Mercury and Mariner 15HP and 20HP 4-stroke outboards, it offers improved resistance to corrosion and better performance over aluminium in demanding marine environments.
Fits the following outboards:
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Mercury 15HP 4-Stroke (2007 & up)
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Mercury 20HP 4-Stroke (2007 & up)
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Mariner 15HP & 20HP 4-Stroke (2007 & up)
Specifications:
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Diameter: 9 1/4"
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Pitch: 10
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Blades: 3
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Spline: 14 tooth
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Rotation: Right-hand
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Material: Polished stainless steel
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Brand: SSI MARINE
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Condition: New in box
Key Features:
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Direct replacement for OEM propellers
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Marine-grade stainless steel for superior strength and corrosion resistance
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Fully compatible and interchangeable with Mercury/Mariner factory props
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Ideal for enhanced performance and long-term durability
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Trusted by boaters across the UK — excellent long-term customer feedback
Please check compatibility before purchasing.
It is the buyer’s responsibility to confirm correct fitment.
If unsure, contact us — our SSI Marine team is happy to help!
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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