This CEF Marine water pump impeller for Tohatsu outboard motor is a flexible aftermarket spare part for the cooling water pump. It is designed for Tohatsu 25, 30, and 40 hp 2-stroke engines as well as 25 and 30 hp 4-stroke engines.
The impeller is made of neoprene and has six flexible blades. The splined hub transfers rotation from the pump shaft, allowing the impeller to circulate cooling water through the engine's cooling system. The impeller has an inner diameter of 17.2 mm, an outer diameter of 44.25 mm, and a depth of 20.25 mm.
The CEF part number is 500382, and the manufacturer code is 382. The product is supplied as the impeller only. Impeller key, pump housing, liner, gaskets, and other pump parts are not included.
Compatible engine models
Documented Tohatsu models include MFS25A, MFS30A, MFS25B, MFS30B, M25C3, M30A4, and M40C. Documented Nissan models include NSF25A, NSF30A, NSF25B, NSF30B, NS25C3, NS30A4, and NS40C.
For Tohatsu 25A and 30A, there is a documented switch between the OEM references 3R0-65021-0 and 345-65021-0 depending on the engine serial number. The impeller is cross-referenced to both numbers, but the engine model, serial number, and original part number must always be checked.
Replaces OEM numbers
The impeller cross-references to Tohatsu/Nissan 345-65021-0, 345650210M, 345650210, 3R0-65021-0, 3R0650210M, and 3R0-650-210M. The previous reference 3R0650210M / 3R0-65021-0 has been superseded by 345650210M / 345-65021-0.
Documented aftermarket cross-references include Sierra 18-8923, Mallory 9-45400, RecMar REC345-65021-0, GLM 89640, and EMP 47-09216.
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Supplementary products
The separate impeller key has part number 332650220M / 332-65022-0. The model-specific water pump kits 361873220M / 361-87322-0 and 361652310M / 361-65231-0 are documented together with this impeller type, but compatibility must be verified for the specific engine.
Always check the engine/drive model, serial number, and original part number before purchase.
Key features
Flexible water pump impeller for cooling water pump
For Tohatsu 25/30/40 hp 2-stroke and 25/30 hp 4-stroke
Inner diameter: 17.2 mm
Outer diameter: 44.25 mm
Depth: 20.25 mm
Material: Neoprene
Number of blades: 6
Drive type: Splined hub
CEF part number: 500382
