A0209970845
Pre-Screen Support Plug O-Ring
Detroit Diesel

The prescreen support plug is a specialized sealing device made from fluorocarbon elastomer, designed to seal openings and prevent contaminants from entering sensitive engine areas. With an inner diameter of 21 mm and an outer diameter of 25 mm, it fits precisely into designated ports or cavities. Its 2 mm cross-sectional diameter provides sufficient flexibility and resilience under pressure. This plug is essential in maintaining the cleanliness and integrity of engine internals, especially during assembly or maintenance procedures. Its robust material ensures resistance to chemicals, high temperatures, and mechanical stress, prolonging service life. Proper installation guarantees a tight, leak-proof seal, vital for engine reliability and efficiency. For authentic parts, consult Source One Parts Center for quality assurance and technical support.