OEM	OEM	Description	Used on
65298-41	1065-41	Rear muffler clamp reinforcement	Big Twins 1941-1946. UL, Knucklehead.
653	109-48	Welch plug (1/4")	40 to 57-61", 74" & 80" twins
65309-51		Muffler front end connection tube	1951 to 1957--Servi-Cars
65310-38		Muffler connection tube	(Replaced by 65310-51)
65310-51		Muffler connection tube complete with bracket	38 to 57-- Servi-cars
65318-58A		SUPPORT TUBE, muffler, right side	58 to * -- FL, FLH
65318-59A		SUPPORT TUBE, muffler - left side	58 to * -- FL, FLH
65425-49R		Exhaust header turn-out	WR
65425-54		Dual exhaust pipe kit	1954 to 1957--OHV models
6543	0228A	31/64" x 3/4" x 1/64" Plain steel washer
65435-70		EXHAUST PIPE	70 to * -- FL, FLH
65440-36		Front exhaust pipe	1936 to 1947--OHV
65440-48		Front exhaust pipe	1948 to 1957--OHV
65440-54		Dual exhaust pipe--left side	1954 to 1957--OHV models
65443-54		Dual exhaust pipe, right side	1954 to 1957--OHV models
65443-66		FRONT EXHAUST PIPE	66 to 69 -- FL, FLH
65445-37		Front exhaust pipe, front end	1937 to 1948--74" & 80" side valves
65446-37		Front exhaust pipe, rear end	1937 to 1948--74" & 80" side valves
65452-35	1006-35	Front exhaust pipe	1937 to 1940
65452-41		Front exhaust pipe	1941 to 1952--WL models
65456-51		Front exhaust pipe	1951 to 1957--Servi-Cars
65465-36		Front exhaust pipe tear end with fittings	1936 to 1957--OHV
65490-32	1007-32	Rear exhaust pipe	1932 to 1940--Servi-Cars
65490-41	1007-41	Rear exhaust pipe	1941 to 1957--WL & G
65492-37		Rear exhaust pipe	1937 to 1948--74" & 80" side valves
65493-36		Rear exhaust pipe	Knucklehead 1936-1947.
65493-48		Rear exhaust pipe	1948 to 1957--OHV
65493-58		REAR EXHAUST PIPE	58 to 65 -- FL, FLH
65493-66		REAR EXHAUST PIPE	66 to 69 -- FL, FLH
65494-61		Crossover pipe (dual exhaust)	FL, FLH, Panhead 1958-1964. Duo Glide.
65494-65		EXHAUST PIPE, left - rear (cross-over)	65 to 69 -- FL, FLH
65494-70		EXHAUST PIPE, left - rear (cross-over)	70 to * -- FL, FLH
65496-61		Rear pipe with tee (dual exhaust)	FL, FLH, Panhead 1958-1965. Duo Glide.
65496-66		Rear pipe with tee (dual exhaust)	FL, FLH, early Shovelhead 1966-1969.
65496-70		EXHAUST PIPE	70 to * -- FL, FLH
655		Plug, oil screen
65505-41		Rear exhaust pipe connection	41 to 57--61", 74" & 80" twins
65505-58		Single exhaust Y-pipe, long, 14-1/2"	FL, FLH, Panhead 1958-1964. Duo Glide.
65505-61		Dual exhaust Y-pipe, long, 16-1/2"	FL, FLH, Panhead 1962-1964. Duo Glide.
6551	1643-30	15/32" x 3/4" x 1/64" Plain steel washer
6551-31	88670-31	Rear recoil check complete (2)	31 to 57-61",74"& 80" twins, sidevans
6551-38	88672-38	Rear recoil check complete	36 to 57-61",74"& 80" twins, sidecars
6551-41	88673-41	Rear recoil check complete	41 to 57-61", 74" & 80" twins
65510-32	1061-32A	Front pipe clamp	RL, WL, WLA, WLC, Servi-car 1932-1950.
65510-54		Dual exhaust pipe to cylinder base stud clamp	54 to 57--OHV models
65510-61		Dual exhaust clamp	FL, FLH, Panhead 1962-1964. Duo Glide.
65511-36		Front exhaust pipe frame clamp	1937 to 1948--74" & 80" side valves
65512-37		Front exhaust pipe frame clamp ...	37 to 57--OHV
65512-37A		CLAMP, front pipe to frame	41 to 69 -- FL, FLH
65513-36		Exhaust pipe frame clamp	1937 to 1948--74" & 80" side valves