This water pump impeller service kit fits PCM models Excalibur 330, EX343, ZR6, ZR409, 5.0L Pro Sport, and GM 5.0L, 5.7L & 6.0L with a serpentine belt (Will not for V-belt systems)
Also compatible with pump numbers RA057032 6.0L, RA057034 5.7L, RA057035 8.1L and RA134071 bearing housing assembly
Replaces Crusader Pleasurecraft R061022 RP061022, replaces Sierra 18-8926 and replaces Mallory 9-45718
Package contains: water pump impeller R061022, housing o-ring R047242 and bolt o-rings R047243
Impeller Information: blades 10, height is 50.8mm / 2 inches, overall diameter is 57mm / 2.24 inches and shaft diameter is 16mm / 0.63 inch
This is aftermarket recommend backup spare worked rebuild kit for cooling system easy boating