This hard coolant line connects the turbo’s water outlet to the cooling system’s return circuit, maintaining proper thermal regulation to support turbo longevity and performance. Proper coolant flow is critical to prevent heat‑soak and premature bearing or seal wear in the turbos. As a direct OEM fit, it matches Nissan factory routing, connection points, and material tolerances, making it essential when servicing the cooling or turbo systems on twin‑turbo Z32 applications.
- USDM 300ZX (Z32): 1990–1996 (twin‑turbo models only)
- JDM Fairlady Z (Z32): 1989–1996 (twin‑turbo models only)
- Fits VG30DETT engines (TT only)
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