Water Pump Impeller Repair Kit for Mercury Mariner Outboard 4HP 5HP 6HP | Replaces 16159A1 & 8M0155395
PRODUCT DETAILS
Aftermarket Water Pump Impeller Repair Kit for Mercury / Mariner Outboard 4HP, 5HP, 6HP — 4-Stroke & Late 2-Stroke Models
High-quality aftermarket water pump impeller repair kit, designed for reliable cooling system maintenance on Mercury / Mariner 4HP, 5HP, and 6HP 4-stroke and late 2-stroke outboard engines.
✅ Fits the Following Mercury / Mariner Models:
- 4HP (4-stroke and late 2-stroke)
- 5HP (4-stroke and late 2-stroke)
- 6HP (4-stroke and late 2-stroke)
✅ Replaces Mercury / Mariner Part Numbers:
- 16159A1
- 8M0155395
✅ Key Features:
✔ High-quality aftermarket part
✔ Complete repair kit for easy maintenance
✔ Ensures proper water flow and engine cooling
✔ Built for durability and long-term marine use
⚠️ Please Note:
These parts do not fit Mariner engines made in Japan with serial numbers starting with 6E0 or 6E3 or model numbers 4A / 5C.
⚠️ Please check compatibility before purchase.
If you’re unsure, please message us — the SSI Marine team is happy to help!
✅ Why Buy from SSI Marine?
✔ High-quality, affordable aftermarket parts
✔ UK stock — same-day dispatch (orders before 1 PM)
✔ Tracked 24-hour delivery
✔ Trusted marine supplier with expert customer support
Order now from SSI Marine — quality aftermarket outboard parts with fast UK shipping!
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
