This water pump mounting bolt is used on the JDM Fairlady Z and USDM 300ZX to secure the engine’s water pump to the block or accessory housing. It provides firm, reliable clamping force to maintain correct alignment and sealing of the water pump, which is critical for circulating coolant and regulating engine temperature. Because it sits in a high‑heat, moisture‑rich environment, corrosion and fatigue over time can make these fasteners hard to remove or weaken their grip. Replacing them during cooling system maintenance helps ensure the water pump stays securely mounted and the engine cooling system functions properly.
- 1 Required
- Fits 21010A 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)
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