SIERRA 18-3517 Water Pump Kit – Without Base

Everything you need to service a Mercury 4 cylinder or V6 outboard or MerCruiser with Alpha drive water pump

For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. Boaters and technicians can be assured a Sierra part will fit right the first time and restore function to OEM specifications.

Sierra packages their water pump kits to make the task of rebuilding a water pump quick and easy. The kit comes complete with all the necessary replacement parts and gaskets so you don’t have to waste time hunting down each individual O-ring or gaskets. To simplify servicing your MerCruiser or Mecury outboard water pump, look no further than a complete Sierra pump kit.

Key Features

• Complete replacement parts kit eliminates wasted time searching for individual parts
• Kit components are engineered to meet or exceed manufacturers’ specifications
• Includes: impeller, water pump housing, gaskets, O-ring, impeller plate, water tube guide and bushings
• Fits Mercury 65 hp 4 cylinder through V6 outboards with short vane impellers. Also fits MerCruiser Alpha drives with serial numbers between 2495186 and 0D469858
• Does not include base

The Sierra Engine Parts Selector

In addition to water pump kits, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.