Water pump impeller for Yamaha/Mariner outboard motors from CEF with product code 500302 is a flexible spare part for the cooling water pump on documented 6 and 8 hp 2-stroke engines. The impeller corresponds to Yamaha OEM no. 6G1-44352-00 and is intended for engines from 1984–2005 within the specified compatibility.
The impeller operates in the water pump in the engine's gear housing or lower unit, where its six flexible blades circulate cooling water through the engine block. It is manufactured from neoprene and has an inner diameter of 11.9 mm, an outer diameter of 40 mm, and a height of 18 mm.
The hub is designed as type 3 with a key drive. Only the impeller itself is included; the gasket, key, and other mounting parts are not documented as part of the delivery.
Compatible engine models
Compatibility includes Yamaha and Mariner outboard motors of 6 and 8 hp with 2-stroke engines. Documented Yamaha models are 6C, 6D, and 8C. Four-stroke compatibility is not documented for this variant.
Replaces OEM numbers
The impeller corresponds to Yamaha 6G1-44352-00 and 6G1-44352-00-00 as well as Mercury/Mariner 47-11590M. Documented aftermarket cross-references include Sierra 18-3066, GLM Marine 89870, Mallory Marine 9-45610, and Azzi J-610.
Related part numbers
Yamaha water pump kit 6N0-W0078-A0-00 contains this impeller type along with other water pump components. The applicability of the kit and the individual components must be checked against the engine's model and serial number.
Always check the engine/drive model and original part number before purchase.
Key featuresFor the cooling water pump in Yamaha/Mariner outboard motors
For 6 and 8 hp 2-stroke engines from 1984–2005
Documented Yamaha models: 6C, 6D, and 8C
Manufactured from neoprene
6 flexible blades
Dimensions: Ø11.9 × Ø40 × 18 mm
Hub type 3 with key drive
CEF product code: 500302
Yamaha OEM: 6G1-44352-00