Nissan Fairlady/300ZX Z32 Radiator Overflow Tank Neck

This Nissan Neck Assy‑Filler is a genuine Nissan filler neck assembly used in the Z32 cooling system. It serves as the connection between the radiator overflow (coolant reservoir) and the cooling system, helping guide coolant back into the reservoir and maintain the correct fluid path as the system heats and cools. Unlike hoses dedicated to engine cooling circuits, this neck is tied specifically to the overflow tank rather than a particular engine variant. Because both VG30DE and VG30DETT engines in the Z32 share the same overflow tank configuration, it fits across the entire range of USDM 300ZX and JDM Fairlady Z models from 1990 through 1996, making it a correct OEM component for all Z32 coolant reservoir systems.

• Fits 21432 Location
• USDM 300ZX (Z32): 1990–1996 (VG30DE & VG30DETT – NA or TT)
• JDM Fairlady Z (Z32): 1989–1996 (VG30DE & VG30DETT – NA or TT)
• Fits VG30DE & VG30DETT engines (NA or TT)