Impeller CEF500121GX

CEF500121GX Marine Impeller The CEF500121GX is a high-quality marine impeller designed for seawater cooling pumps in marine diesel engines and generator applications. Manufactured from durable marine-grade neoprene, this impeller ensures reliable water circulation, optimal engine cooling and long service life in saltwater environments. This model features a 12 mm shaft diameter and belongs to the 39.6 mm impeller family commonly used in Volvo Penta and equivalent pump systems. Technical Specifications Shaft Diameter: 12.0 mm Outer Diameter: 39.6 mm Width: 19.2 mm Number of Blades: 6 Material: Marine-grade neoprene Application: Seawater cooling pump Correct fitment requires matching all dimensions. Replaces OEM Part Numbers Volvo Penta 21951342 3586496 833995 875583 Manufacturer: Volvo Penta Westerbeke 32620 46622 Manufacturer: Westerbeke Johnson Pump 09-808B 09-808B-1 Manufacturer: SPX Johnson Pump Jabsco 22405-0001 22405-0001-P Manufacturer: Jabsco Vetus IMP00601 Manufacturer: Vetus Onan 132-0310 Manufacturer: Onan Nanni Diesel 434013 970434013 Manufacturer: Nanni Diesel Engine Compatibility Volvo Penta Volvo Penta MD5 Volvo Penta MD6 Volvo Penta MD7 Volvo Penta MD11 Volvo Penta 2001 Volvo Penta 2002 Volvo Penta 2003 Arona Arona AD182L/M Arona AD190 Arona AD190/195M Arona AD195M Arona AD295 Beta Marine Beta Marine 20 BMW Marine BMW D7 BMW D12 Bukh Bukh DV8ME Bukh DV8SME Bukh DV10M Bukh DV10ME Bukh DV10LME Bukh DV10LSME Farymann Farymann A30M Farymann A40M Farymann FK2 Farymann K34 Farymann 15W Farymann 18W Farymann 32W Farymann L30M Lombardini Lombardini LDW401M Nanni Diesel Nanni K34 Nanni L30 Ruggerini Ruggerini MM150 Ruggerini MM191 Ruggerini PM105 Ruggerini RD100/2 Ruggerini RD100/951 Ruggerini RDM901 Ruggerini RM80 Ruggerini RM90 Maintenance Recommendation Impellers should be replaced annually or approximately every 200 operating hours. Regular preventive replacement protects the cooling system and prevents overheating. Fitment Support Before ordering, confirm: Shaft diameter: 12 mm Outer diameter: 39.6 mm Width: 19.2 mm 6 blades If unsure, contact us with your engine model or pump reference for confirmation.