1961 – 1979 General Motors Air Conditioning Axial Compressor Rear Cylinder Head GM # 6598439

This new old stock air conditioning compressor rear cylinder head (switch type)  was manufactured by General Motors for use on the following models:

Buick 1962-1963 44-46-4800 – Parts catalog note: For models not equipped with superheat switch also order 8912444 harness and thermal limiter assembly,

Buick 1964-1975 All – Parts catalog note: For models not equipped with superheat switch also order 8912444 harness and thermal limiter assembly,

Buick 1976-1979 All with axial compressor except T ( switch type),

Cadillac 1961-1976 All ( superheat switch type) ( Catalog Note : From V. I. # 132068, E357204, Q406465 to V.I. # Q162939, E363846, Q412568 on 1971 cars.)

Chevrolet 1962-1973 Corvette ( has compressor mounted pressure switch),

Chevrolet 1962- 1975 All with axial compressor ( switch type),

Chevrolet 1975-1976 Corvette ( superheat switch type),

Chevrolet 1976-1978 All with axial compressor ( superheat switch type),

GMC 1972-1977 Sprint with axial compressor ( superheat switch type),

Chevrolet Pickup 1973-1977 CKGP-1, 2, 3, Blazer, Jimmy, MHC with 8-cylinder,

Chevrolet Truck 1962-1972 All except LCF, Diesel,

Chevrolet Truck 1973-1978 Series 50-60-65 with 659842 compressor,

Oldsmobile 1962-1974 All,

Oldsmobile 1975 All V8 with 6-cylinder compressor,

Oldsmobile  1976 All with axial compressor ( superheat switch type),

Oldsmobile  1977 All with axial compressor except A with V8 (superheat switch type),

Oldsmobile  1978 All with axial compressor ( superheat switch type ),

Pontiac 1964-1966 Star Chief,

Pontiac  1964-1978 Catalina, Bonneville, Lemans, Grand Prix, 

Pontiac  1964-1970 Tempest,

Pontiac 1966 2+2,

Pontiac  1966-1971 GTO,

Pontiac 1967-1978 Firebird,

Pontiac 1967-1970 Executive, 

Pontiac 1969 Custom “S”,

Pontiac 1971-1975 Grandville,

Pontiac 1971 T37,

Pontiac 1971-1977 Ventura,

Pontiac 1973-1975 Grand Am,

Pontiac 1977-1978 Phoenix, 

Pontiac 1978 Grand Am

Replaced 6555302 on 07/72 Replaced by 6557067

Casting # 6556406   Delco 15-241

Note: Images show condition and what is included in the sale.