Radiator Cap RC1-13: reliable pressure sealing for your cooling system.
The Neptune Radiator Cap RC1-13 keeps your cooling system sealed and pressurised for safe, efficient running. Moreover, it holds a steady 0.9 bar rating, so coolant stays where it belongs. As a result, your engine runs at the correct temperature, even on hot days.
This Neptune cap is built to original-equipment standards. Therefore, it fits snugly and releases pressure exactly when needed. In addition, the durable seal resists wear, which helps prevent overheating and coolant loss.
Why choose the Radiator Cap RC1-13
A radiator cap does more than cover the filler neck; it controls system pressure and raises the coolant boiling point. To understand how this works, see this helpful guide. Consequently, a correctly rated cap protects your whole cooling system.
Key features
- Rated to 0.9 bar for accurate pressure control.
- Durable spring and seal for a long service life.
- Built to original-equipment fit and quality.
- Helps prevent overheating and coolant loss.
Application
- Suits vehicles requiring a 44mm filler neck cap.
- Replaces worn or leaking caps that fail to hold pressure.
- Always confirm the rating matches your vehicle before fitting.
Furthermore, you can find more cooling-system parts at the Greyhound Auto Retail store. Ultimately, the Radiator Cap RC1-13 keeps your engine cool and protected.
Trusted everyday protection
Drivers rely on this Radiator Cap RC1-13 because it delivers consistent sealing in real conditions. Whether you tackle daily commutes or long trips, the cap maintains the right pressure. Additionally, fitting a fresh cap during a coolant service is a simple, affordable upgrade. For best results, replace the cap whenever you flush your cooling system.
Specifications
1 x Neptune RC1-13 Radiator Cap (K-NECAPRD4409-L). Rated 0.9 bar, 44mm diameter, 15mm depth. Allow the engine to cool fully before removing any radiator cap.
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