Sierra International offers impeller replacements. The precision and high-quality materials were used to provide maximum performance and dependability. For the DF200 (2004-14), DF225/DF250 (2004-2020), DF300 (2007-2020), and DF350 (2007-2020). (2018-2020). 18-3264 water pump repair kit and 18-3267 water pump kit required. These are high-quality impellers that have been R&D for optimal performance in all situations, including saltwater, the standard low-cost aftermarket products provided by other exporters. The velocity of a fluid (liquid or gas) driven through a tube at high pressure is risen by an impeller. Fluids and gasses are typically transported over long distances via pipelines with impeller pumps and compressors. Key Features: It pumps raw water from the outside of the boat into the engine's raw water cooling pipework. It enables mechanical energy (at the vanes) to be transformed into pump output power. OEM Style with High-Performance Quality. Impellers must meet or exceed OEM specifications. It fits DF200 (2004-2014) 200hp 6-cylinder 4-stroke. DF225 (2004-2020) 225hp 6-cylinder 4-stroke. DF250 (2004-2020) 250hp 6-cylinder 4-stroke. DF300 (2007-2020) 300hp 6-cylinder 4-stroke. DF350 (2018-2020) 350hp. Product Details: SKU: 18-3035 UPC: 808282200039 Weight: 0.07 LBS Fits Suzuki Outboards DF200 (2004-14), DF225/DF250 (2004-2020), DF300 (2007-2020) DF350 (2018-2020)