OEM	OEM	Description	Used on
17405-39	101-39	Rear exhaust rocker arm	Later 1939 to 1947--OHV
1741-36		Wire, generator to relay	1940 to 1942--WLA Solo
1741-38		Switch to generator and relay wire	1938 to 1946
1741-41M		Wire, generator to switch to relay (For U.S.A. numbers under 65747)	1940 to 1942--WLA Solo
1741-41MA		Wire, generator to battery (For U.S.A. numbers over 65747)	1940 to 1942--WLA Solo
1741-47		Switch to generator and relay wire	1947 to 1950
1742-47		Ignition wire	1947 to 1950
17425-36	102-36	Rocker arm ball stud (4)	1936 to 1947--OHV
17426-48	102-48	Rocker arm socket (4)	1948 to 1950--OHV
17435-39	105-39	Front intake rocker shaft	Later 1939 to 1947--OHV
17438-39	106-39	Rear Intake rocker shaft	Later 1939 to 1947--OHV
17441-39	107-39	Front exhaust rocker shaft	Later 1939 to 1947--OHV
17444-39	108-39	Rear exhaust rocker shaft	Later 1939 to 1947--OHV
17447-36	114-36	Rocker arm shaft nut, large	1936 to 1947--OHV
17447-38		Rocker arm shaft nut, large (4)	1936 to 1947--OHV
17465-36	119-36	Rocker arm thrust washer (4)	1936 to 1947--OHV
17475-38	120-38	Oil seal	1936 to 1947--OHV
17476-38	120-38A	Oil Seal	1936 to 1947--OHV
17477-38	120-38B	Oil Seal	1936 to 1947--OHV
17478-38	120-38D	Set of rocker arm oil seals	1938 to 1947--OHV
		Part 17478-38 (Set of rocker arm oil seals) consists of:
		17475-38: Oil seal
		17476-38: Oil Seal
		17477-38: Oil Seal
17482-36	123-36	Steel packing washer (4)	1936 to 1947--OHV
175-29	18260-29	Valve cover packing	1936 to 1950--with iron heads, 1940 to 1950--with aluminum heads
175-38	17535-38	Front intake and rear exhaust cover gasket (2)	1936 to 1947--OHV
175-38A	17537-38	Rear Intake cover gasket	1936 to 1947--OHV
175-38B	17539-38	Front exhaust cover gasket	1936 to 1947--OHV
175-39	18254-39	Lower valve spring cover (outside)	1939 to 1948--74
175-39A	18257-39	Lower cover washer, cork	1939 to 1948-74" & 80" side valves
175-39B	18258-39	Cork washer retainer	1939 to 1948--74
175-39C	18259-39	Lower cover asbestos gasket	1936 to 1948-74" & 80" side valves
175-48	17541-48	Rocker cover gasket	1948 to 1954--OHV
17500-48	173-48	Rocker arm cover	Replaced by 17500-48A
17500-48A		Rocker arm cover kit	1948 to 1957 - -OHV
		Part 17500-48A (Rocker arm cover kit) consists of:
		17500-54: Cover & pad
		17509-54: Cover reinforcement
		17541-48B: Cover gasket
		3578W: 10-24 N.C. x 1 1/32" Hexagon head screw
		6150: 3/16" x 3/8" x 1/16" Plain steel washer
17500-54		Cover & pad	48 to 57--OHV
17507-48	174-48	Rocker arm cover pad (2)	48 to 57--OHV
17507-51	17507-51	Rocker arm cover reinforcement kit	Replaced by 17507-51A
17507-51A		Rocker arm cover reinforcement kit	51 to 57--OHV
17509-54		Cover reinforcement	48 to 57--OHV
17509-54A		REINFORCEMENT, covet (2)	54 to 65 -- FL, FLH
17510-38	173-38	Front intake rocker arm cover	1938 to 1947--OHV
17512-38	173-38A	Rear intake rocker arm cover	1938 to 1947--OHV
17514-38	173-38B	Front exhaust rocker arm cover	1938 to 1947--OHV
17516-38	173-38C	Rear exhaust rocker arm cover	1938 to 1947--OHV
17518-38	173-38D	Set rocker arm cover and fitting	1936 to 1947--OHV
17525-38	174-38	Front intake and rear exhaust cover cap	1938 to 1947--OHV
17527-38	174-38A	Rear intake cover cap	--1938 to 1947--OHV
17529-38	174-38B	Front exhaust cover cap	--1938 to 1947--OHV
17533-38		Front Intake and rear exhaust cover gasket	1938 to 1947--OHV
17535-38	175-38	Front intake and rear exhaust cover gasket (2)	1936 to 1947--OHV
17537-38	175-38A	Rear Intake cover gasket	1936 to 1947--OHV
17539-38	175-38B	Front exhaust cover gasket	1936 to 1947--OHV