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!

Water Pump Impeller Repair Kit for Mercury Mariner Outboard 4HP 5HP 6HP | Replaces 16159A1 & 8M0155395