Johnson Evinrude impeller Bombardier (OMC) outboard 40 HP 1974-1976 40 HP 1981-1987 Dimensions see Figure 2 (measuring is knowing this impeller should not return) a: 17.50 width (mm): 51.5 mm c: 19 mm Reference original: 390286 Reference: SIE 18-3366 CEF 500353 MAL 9-45212 aftermarket
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