Description
Nissan Coolant Return Pipe (21022-8H301) – Technical Specifications
1. Core Specifications
- OEM Part Number: 21022-8H301
- Function: Returns coolant from the turbocharger/EGR system to the engine block
- Material: Cast aluminum with stainless steel fittings
- Operating Temp Range: -40°C to +200°C
- Pressure Rating: 2.1 bar (turbocharged applications)
2. Vehicle Compatibility
This coolant return pipe is critical for turbocharged Nissan/Infiniti models:
| Model | Engine | Years | Notes |
|---|---|---|---|
| Nissan Qashqai (J11) | 1.6L DIG-T (MR16DDT) | 2014-2021 | Euro/Asia spec |
| Infiniti QX30 | 2.0L M274 (Mercedes-sourced) | 2016-2019 | Shared with Mercedes GLA |
| Nissan X-Trail (T32) | 1.6L DIG-T (MR16DDT) | 2015-2022 | Middle East models |
3. Key Identification Features
- Banjo bolt connection at turbocharger end (14mm hex)
- Quick-connect fitting at engine block
- Heat shield mounting points
- Nissan PN laser-etched near flange
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