SierraMarine 183221 Water Tube

For Gen II; Aluminum; Single; Fits Mercruiser Stern Drive Engine

The SierraMarine 183221 Water Tube is a replacement component designed for use in compatible marine cooling systems. It supports the water circulation path within the cooling assembly, helping direct cooling water where it is needed during engine operation. This product is identified by SierraMarine part number 183221, making it easier to match with service records, replacement requirements, and compatible marine applications.
Use the water tube as part of a proper cooling-system service when the existing component shows signs of wear, corrosion, deformation, blockage, or other damage. A correctly maintained water circulation system helps support dependable engine temperature control and may help reduce the risk of cooling-related performance issues. Always compare the original component, application information, and manufacturer service references before installation to confirm compatibility.
The SierraMarine 183221 Water Tube is suited for marine maintenance and repair applications where a reliable replacement cooling component is required. Installation should be performed with the engine turned off and cooled, following appropriate marine service procedures. Inspect related seals, grommets, passages, and connecting components during replacement, since surrounding wear or restricted water flow can affect overall cooling-system performance. After installation, check for proper alignment, secure connections, and signs of leakage before returning the vessel to service.

Features:

• Brand: SierraMarine

• Part Number: 183221

• Component Type: Water tube for compatible marine cooling-system applications

• Replacement Use: Suitable for maintenance and repair of the corresponding cooling-system assembly

• Service Support: Helps direct cooling water through the intended circulation path