Water pump impeller for Yamaha/Mariner outboard motors from CEF Marine is a flexible impeller for the cooling water pump on Yamaha and Mariner motors with 3 HP 2-stroke or 2.5 HP 4-stroke. It replaces Yamaha OEM no. 6L5-44352-00 and 6L5-44352-00-00.
The impeller is installed in the water pump in the engine's gear housing or lower unit. The six flexible blades circulate cooling water through the engine's cooling system, thereby contributing to necessary engine cooling during operation.
The impeller is made of neoprene and has a key or pin-driven hub. The inner diameter is 10 mm, the outer diameter is 36 mm, and the height along the shaft is 14.5 mm. The CEF manufacturer number is 500322, also written as CEF500322.
Compatible engine models
Compatibility includes Yamaha F2.5A, Yamaha F2.5B from model years 2015-2021, Yamaha 3A, and Yamaha Malta. It is also documented for Yamaha 3 HP Malta from 1988-2002, Yamaha F2.5 from 2003-2005, and Parsun 2.6 HP 4-stroke. For Mariner, compatibility is documented at power levels: 3 HP 2-stroke and 2.5 HP 4-stroke.
OEM and cross-references
The Yamaha references are 6L5-44352-00 and 6L5-44352-00-00. The Parsun reference is F2.6-030000100, alternatively cataloged as F2.6-03000100. Supplementary aftermarket cross-references include Sierra Marine 18-8911, Mallory Marine 9-45615, and Recmar REC6L5-44352-00.
1516322
Related service kit
The impeller corresponds to the component in Yamaha water pump repair kit 6L5-W0078-00 and 6L5-W0078-00-00. Gasket, drive key, pin, and other service parts are not listed as included and must be ordered separately if necessary.
Always check the engine/drive model and original part number before purchasing.
Key features
For the cooling water pump in the outboard gear housing
For Yamaha/Mariner 3 HP 2-stroke and 2.5 HP 4-stroke
6 flexible blades
Made of neoprene
Inner diameter: 10 mm
Outer diameter: 36 mm
Height: 14.5 mm
Key or pin-driven hub
Replaces Yamaha 6L5-44352-00 and 6L5-44352-00-00
