OEM	OEM	Description	Used on
91123-77		REAR BUMPER, only	77 to * -- FL, FLH
91126-67C		SIREN AND FITTINGS foot operated)	Late 67 to 72 -- FL, FLH
91127-67C		SIREN AND FITTINGS (foot or hand control)	Late 67 to 72 -- FL, FLH
91128-31	11225-31	Front wheel siren complete	1937 to 1949--45" twins
91128-73		SIREN AND FITTINGS (foot operated)	73 to * -- FL, FLH
91129-73		SIREN AND FITTINGS (foot or hand control)	73 to * -- FL, FLH
91130-49	91130-49	Rear siren complete	1949 to 1957--OHV
91131-49	91131-49	Rear siren complete	1949 to 1952--WL models
91134-50	91134-50	Rear siren complete	1949 to 1957--Servi-Cars
91134-70		ROD ASSEMBLY, rear siren	70 to * -- FL, FLH
91135-70		FOOT LEVER AND BUSHING	70 to * -- FL, FLH
91140-49	91140-49	Rotor housing complete	1949 to 1957--OHV & WL models
91141-50		Rear siren rotor housing	1949 to 1957--all models
91142-70		ROD END, rear siren	70 to * -- FL, FLH
91143-32	13507-32	Fan housing	1933 to 1949--61", 74" & 80" twins, 1933 to 1949--45" twins
91143-42	13507-42	Fan housing	1942 to 1945
91143-70		HUB, rear siren	Late 67 to * -- FL, FLH
91144-42	13508-42	Fan housing support	1942 to 1945
91145-42	13508-42A	Fan housing support screw	1942 to 1945
91145-71		FOOT LEVER KIT, rear siren	70 to 72 -- FL, FLH
91146-73		U-BOLT	73 to * -- FL, FLH
91147-73		SLEEVE, rear siren support	73 to * -- FL, FLH
91148-73		SPRING COLLAR, rea- siren support	73 to * -- FL, FLH
91149-49	91149-49	Rotor housing bronze bushing	1949 to 1957--all models
91152-49	91152-49	Rotor housing pin	1949 to 1954--all models
91155-31	13522-X	Bearing lock nut	1931 to 1948--front or rear, all models, 1949--45" front
91156-31	13523-X	Lock nut screw	1931 to 1948 front or rear, 1949 -- 45" front
91157-31	13518-X	Large bearing	1931 to 1948--front or rear, 1949--45" front
91158-32	13519-32	Small bearing	1933 to 1948--front or rear, 1949--45" front
91158-49	91158-49	Rear siren ball bearing	1949 to 1957--all models
91160-32	13512-32	Fan	1932 to 1949--61", 74" & 80" twins (Rear)
91160-33	13512-33	Fan	Later 1933 to 1948--61", 74" & 80" twins (Front), 1933 to 1949--45" (Front)
91160-42	13512-42	Fan	1942 to 1945
91160-49	91160-49	Rear siren rotor	1949 to 1957--all models
91160-58		ROTOR	58 to * -- FL, FLH
91162-38	13516-38	Fan shaft	Later 1938 to 1949--61", 74" & 80" twins (Rear)
91162-39	13516-39	Fan shaft	Later 1939 to 1948--61", 74" & 80" twins (Front), 1939 to 1949--45" (Front)
91162-42	13516-42	Fan shaft	1942 to 1945
91162-49	91162-49	Rear siren rotor shaft	1949 to 1957--all models
91162-59		Rear siren shaft rotor	FL, FLH, FLH-80 late59-1984. Panhead.
91163-58		SPACER, rotor shaft	58 to * -- FL, FLH
91164-32	13520-32	Bearing spacer sleeve	1932 to 1948--front or rear, 1949--45" front
91164-42	13519-42	Small bearing collar	1942 to 1945
91164-49	91164-49	Rear siren bearing retainer	1949 to 1957--all models
91164-58A		BEARING RETAINER	58 to * -- FL, FLH
91168-39	13526-39	Driving pulley (left thread)	Later 1939 to 1949--61", 74" & 80" twins (Rear)
91168-40	13526-40	Driving pulley (right thread)	1931 to 1948--61", 74" & 80" twins (Front), 1931 to 1949--45" (Front)
91168-42	13526-42	Driving pulley	1942 to 1945
91168-49	91168-49	Rear siren tire roller	1949 to 1957--all models
91168-59		Rear siren tire roller	FL, FLH late 59-early 67. Panhead.