Description
Nissan Iron Water Pipe (21022-JA00A) – Technical Specifications
1. Core Specifications
- OEM Part Number: 21022-JA00A
- Type: Cast Iron Coolant Pipe (engine block to thermostat/water pump)
- Material: High-silicon cast iron (corrosion-resistant)
- Coating: Triple-layer anti-rust (zinc phosphate + epoxy + topcoat)
- Pressure Rating: 1.8 bar
- Operating Temp: -40°C to +150°C
2. Vehicle Compatibility
Fits Nissan/Infiniti models with VQ & VK engines, including:
| Model | Engine | Years | Notes |
|---|---|---|---|
| Nissan Maxima (A35) | 3.5L VQ35DE | 2009–2015 | Requires gasket 21025-JA00A |
| Infiniti G37 (V36) | 3.7L VQ37VHR | 2009–2015 | Sport models only |
| Nissan 370Z (Z34) | 3.7L VQ37VHR | 2009–2020 | Check for revisions |
| Nissan Pathfinder (R51) | 4.0L VQ40DE | 2005–2012 | Heavy-duty version |
3. Key Identification Features
✔ Heavy-duty cast iron construction (OEM-grade durability)
✔ Nissan part number stamped near flange
✔ Precision-machined sealing surface (no gasket leaks)
✔ Reinforced neck design (prevents cracking under stress)
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