Aircooled Porsche 911 Cylinder Head Part Number Cross Reference

911 Cylinder Head Cross Reference

Aircooled Porsche 911 Cylinder Head Part Numbers
Year	Type	Casting #	Casting Marking	Part #	Valve Dia. (mm)	Port Dia. (mm)	Combustion Chamber Volume (cc)
1965	906	R901.104.304.05	k1819b	901 104 003 05	39/35	32/32	68
1965–68	911	R901.104.303.04	k1819b	901 104 003 06	39/35	32/32	68
1967–68	911L	R901.104.303.01	k1819e	901 104 003 08	39/35	32/32	68
1967–68	911L Smog	R901.104.303.1R	k1819e	901 104 003 08	39/35	32/32	68
1967–68	911S	R901.104.305.02	k1819c	901 104 005 02	42/38	36/35	68
1968–69	911T	901.104.306.2R	k1819d	901 104 006 01	42/38	32/32	68
1969	911E	901.104.306.1R	k1819d	901 104 008 00	42/38	32/32	68
1969	911S	901.104.308.1R	k1819f	901 104 009 01	45/39	35/33	68
1970–71	911T Carb	911.104.306.0R	k1819g	911 104 006 01	46/40	32/32	72
1970–73	911E	911.104.306.0R	k1819g	911 104 007 00	46/40	32/32	72
1970–71	911S	911.104.307.0R	k1819h	911 104 008 00	46/40	36/35	72
1972–73	911S	911.104.307.1R	k1819h	911 104 008 00	46/40	36/35	72
1972–73	911T Mech	911.104.302.0R	k1819n	911 104 004 00	46/40	30/33	72
1973	911T CIS	911.104.302.0R	k1819n	911 104 002 00	46/40	30/33	72
1973–75	2.7RS Mech	911.104.307.1R	k1819h	911 104 008 00	46/40	36/35	72
1973	2.8 RSR	911.104.322.0R	k1819q	?????	49/41.5	43/43	?
1974–75	911	911.104.345.0R	k1819t	911 104 044 00	46/40	32/32	?
1974	911S / Carrera	911.104.345.0R	K1	911 104 046 00	46/40	35/35	?
1975–77	911S no air inj.	911.104.345.0R	K1	911 104 046 00	46/40	35/35	?
1975–77	911S air inj.	911.104.342.2R	k1819w	911 104 046 02	46/40	35/35	?
1976–77	3.0 Carrera no air injection	930.104.329.2R	k1926d	930 104 029 02	49/41.5	39/35	90
1975–77	Turbo	930.104.341.2R	k1926i	930 104 043 02	49/41.5	32/36	90
1978–79	SC	930.104.329.2R	k1926d	930 104 029 08	49/41.5	39/35	90
1980–83	SC Euro	930.104.326.3R	k1926c	930 104 028 05	49/41.5	34/35	90
1978–87	3.3 Turbo	930.104.341.3R	k1926y	930 104 043 09	49/41.5	32/34	90
1984–89	3.2 Carrera	930.104.325.4R	k1926r	930 104 023 02	49/41.5	40/38	90

Information is based on historical Porsche parts catalogs; confirm with your Porsche parts specialist.