Description
Part Number: AF64-4029BLK
AeroFlow Billet Thermostat Housing – Black (Nissan RB20 / RB25 / RB30)
Upgrade your engine cooling system with the AeroFlow Performance billet thermostat housing for Nissan RB20, RB25, and RB30 engines. CNC-machined from T6-6061 billet aluminium and finished in a durable black anodise, this straight outlet housing is a direct OEM replacement engineered for maximum reliability and custom plumbing flexibility.
Key Features & Performance Benefits
- ☑ Direct OEM Replacement: Replaces factory cast housing on Nissan and Holden RB20, RB25, and RB30 engines with straight outlet alignment.
- ☑ T6-6061 Billet Construction: Precision CNC machined from aircraft-grade billet aluminium for superior durability and thermal stability.
- ☑ Leak-Free O-Ring Seal: Incorporates an O-ring base flange, eliminating the need for traditional OEM paper gaskets for a reliable seal.
- ☑ Versatile Plumbing Options: Features an internal -16ORB thread allowing custom AN braided line conversions alongside standard 41mm (1-39/16″) push-on radiator hoses.
- ☑ Anodised Protective Finish: Black anodised finish prevents corrosion while providing a clean, aesthetic engine bay upgrade.
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Part Number | AF64-4029BLK |
| Material | T6-6061 Billet Aluminium |
| Finish | Black Anodised |
| Engine Fitment | Nissan / Holden RB20, RB25, RB30 (OEM Non-Swivel Straight) |
| RB26 Compatibility | Does NOT fit RB26 engines |
| Radiator Hose Size | 41mm (1-39/16″) |
| Internal Thread | -16ORB |
| Bolt Hole Centre-to-Centre | 70mm (2-3/4″) |
| Overall Dimensions | 93.50mm L x 94.30mm W x 55.20mm H |
| Flange Sealing Type | Reusable O-Ring Seal |
What’s Included in the Box
- 1x AeroFlow Billet Thermostat Housing – Black (AF64-4029BLK)
- 1x High-Temperature Flange Sealing O-Ring
Manufactured to rigorous motorsport standards by AeroFlow Performance, this billet housing guarantees long-lasting cooling efficiency for fast road, track day, and drift builds. Purchase directly from JP Racing for authentic parts, technical expertise, and rapid UK delivery.
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