Description
Part Number: WN0042B
Meziere WN-Style -20 ORB to -10AN Water Neck Adapter Fitting – Blue Anodised
Engineered for extreme reliability in high-performance motorsport cooling systems, the Meziere WN0042B fitting adapts Meziere -20 ORB (WN style) water ports to a standard male -10AN fluid line connection.
Key Product Features
- ☑ Precision CNC-machined from premium billet aircraft aluminium for lightweight strength.
- ☑ Features modified WN-style -20 ORB male threads specifically for Meziere water necks and electric water pumps.
- ☑ Standard male -10AN thread outlet for easy integration with high-performance braided hose lines.
- ☑ Durable blue anodised finish protects against corrosion while adding a professional race finish to your engine bay.
- ☑ Includes high-temperature, fluid-resistant rubber O-ring seal to eliminate coolant leakage under extreme heat and pressure.
Technical Specifications
| Manufacturer | Meziere Enterprises |
|---|---|
| Part Number | WN0042B |
| Inlet Fitting Style | -20 ORB (WN Style Male Thread) |
| Outlet Fitting Style | -10AN Male Thread |
| Fitting Geometry | Straight |
| Material | Billet Aluminium |
| Finish | Blue Anodised |
| O-Ring Seal | Included |
What’s Included in the Box
- 1x Meziere WN0042B -20 ORB to -10AN Adapter Fitting (Blue Anodised)
- 1x High-Temperature Viton/Rubber O-Ring Seal
As an authorised UK dealer for Meziere Enterprises, JP Racing offers full technical guidance and fast UK shipping. Upgrade your competition or road race cooling system with trusted engineering and performance.


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