Description: High quality water pump impeller complete with stainless steel shaft and end caps. Material: Steel shaft Dimensions: Overall length 69 mm, fan blade diameter 37 mm, magnet length 29 mm. If your water pump has broken or is noisy, including E02 error codes, it is likely that this impeller needs to be replaced. All versions of P4071 and 58113 water pump for Bestway/Coleman SaluSpa hot tub. Compatible with all the following models: For SaluSpa, Lay-Z-Spa, AirJet, Miami, Palm Springs, Hawaii, Helsinki, Honolulu, Milan, St. Moritz, Paris, Cancun, Havana, Cali, Tahiti. Fits all Bestway/Coleman SaluSpa AirJet models, including 54112, 54124, 54129, 54131, 54145, 54155, 54176, 54185, 54186, 54190, 54295, 54297, 90443, 90437, 90363, 13801, 13804 and all other AirJet variants. This kit fixes the EO2 code. The water pumps in these products all use custom impellers with very specific dimensions. The slightest difference in dimension or magnet strength can make the impeller incompatible.