The Fluid Tank Dust Cover Cap serves a multifunctional purpose in the Service Brake Control Valve. It encloses the oil tank opening, protecting it from contaminants like dust and debris. Additionally, it incorporates a fluid sight allowing for visual inspection of the oil level within the tank. This design also provides structural support for the cap itself.Attributes:• Maintain proper seal and leakproof design • Manufactured to precise specifications and are built for durability and reliabilityApplications: The Fluid Tank Dust Cover Cap acts as a protective barrier for the service brake control valve's oil reservoir opening. It prevents dust, dirt, and other contaminants from entering the oil.