Description
Restore peak cooling performance to your Mercury® or Mariner® outboard with the Sierra® Water Pump Repair Kit (SKU: GS18-3406). Designed for reliability and precision, this kit is essential for maintaining optimal engine temperature and preventing costly overheating issues on the water. Whether you’re performing regular maintenance or addressing a drop in water pressure, Sierra®’s OEM-quality components ensure your outboard’s water pump system operates smoothly and efficiently.
With coverage for a wide range of Mercury® and Mariner® models—including popular 4-stroke Verado engines from 150HP to 300HP—this kit is engineered to meet or exceed original equipment standards. Boat owners can trust Sierra® for hassle-free installation, long-lasting durability, and peace of mind during every outing.
- OEM-Quality Components: Manufactured to meet or exceed Mercury®/Mariner® specifications for fit and performance.
- Comprehensive Coverage: Compatible with 4-stroke Verado 4.8-inch torpedo models (150HP, 175HP, 200HP, 225HP, 250HP, 275HP, 300HP) with serial numbers B227000 & up (see full compatibility chart for details).
- Complete Kit: Includes all necessary gaskets, seals, and impeller for a thorough water pump rebuild.
- Prevents Overheating: Restores proper water flow to protect your engine from heat damage and extend its service life.
- Easy Installation: Designed for straightforward replacement, saving you time and labor costs.
Choose the Sierra® Water Pump Repair Kit for reliable cooling system maintenance and enjoy uninterrupted performance on the water. Protect your investment and keep your outboard running strong—order today!





