1955-57 Chevrolet Passenger Car Belts Year Description GM # Quanta # 1955-57 Generator, 6 Cylinder 3709713 B-759 1955-57 Generator, V8 3704972 B-750 1955-57 Generator, V8 w/ Power Steering 3712555 B-751 1955-57 Generator, V8 w/ Heavy Duty Generator 3714366 B-752 1956 Generator, V8 w/ Dual 4bbl 3738437 B-753 1957 Generator, V8 w/ Dual 4bbl 3737976 B-754 1957 Generator, V8 w/ Fuel Injection 3738437 B-755 1955 Air Conditioning 3714547 B-756 1956 Air Conditioning 3727971 B-757 1957 Air Conditioning 3738421 B-758