A0249970545
O-Ring 37.7 x 3
Detroit Diesel

The O-ring measuring 37.7 mm inner diameter and 43.7 mm outer diameter is a critical sealing component for various hydraulic and fuel systems in heavy-duty trucks. Crafted from fluorocarbon elastomer, it provides excellent resistance to high temperatures, chemicals, and wear. Its compact cross-section of 3 mm allows it to fit into tight sealing spaces, ensuring leak-proof performance and protecting internal components from dirt and moisture intrusion. Proper installation and material compatibility are vital for maintaining system integrity and efficiency. For quality assured sealing solutions, trust Source One Parts Center to supply this reliable O-ring, helping you keep your fleet compliant, safe, and operational in demanding environments.