Feature: 1. Applicable Model: Water pump impeller and housing kit is replacement for 4HP 5HP 2 Stroke Outboard, please confirm whether your model is applicable before buying. 2. OE Number: The part numbers for reference are 46‑16156, 47‑161543, please confirm whether it is consistent with the OE you need. 3. Material: The water pump impeller and housing kit are made of robust materials that can withstand harsh marine environments, with longevity, saving you the cost and inconvenience of frequent replacements. 4. Improved Efficiency: The design of the impeller improves the efficiency of water flow. This high performance capability ensures that your boat's engine stays cool and operates at maximum efficiency at all times. 5. Easy Installation: The kit comes with all the necessary parts needed, making the installation process straightforward and hassle free. This reduces the need for professional help and saves on costs associated with the installation process. Specification: Item Type: Water Pump Impeller and Housing Interchangeable OE: 46-16156, 47-161543 Fitment: Fit for Mariner 4HP & 5HP 2 Stroke as well as 4HP, 5HP & 6HP 4 Stroke. Package List: 1 x Water Pump Impeller and Housing Kit (3 Pieces) Note: Please double check the part number and fitment of your item, matching information is for reference only.