86 Nissan 300zx heater core Source Source Source Source Source Source Source Source Source Source Read Also: 1988 Nissan 300zx heater core replacement 1986 Nissan 300zx heater core 1990 Nissan 300zx heater core Nissan 300zx heater core 1991 Nissan 300zx heater core replacement 1986 Nissan 300zx heater core replacement