All pump parts are sold under the Flotec name. Cross reference your Diamond pump model number with the Flotec model number to find the Flotec parts which will fit your Diamond pump. Then click on the kit you need lower down the page for more information.

DIAMOND MODEL NUMBER	FLOTEC MODEL NUMBER
5020B	FPPM3600D
SP33	FPOS2400A
SP25	FPOS1800A
SP40	FPOS2100A
SJC50	FP4112
SJC75	FP4122
WPA50	FPSE3200A
SP25A	FPOS2450A
SPBB	FP1800DCC
DFP1200	FPOS1200X
CJC75	FP4222
CJC75CS	FP4222
313500	FP4212
313501	FP4212
313502	FP4222