The O-Ring (3.53 x 39.69 mm) is a precision-engineered sealing component designed to deliver reliable performance in pumps, valves, and industrial machinery. Constructed from durable, chemical-resistant elastomer, this O-ring ensures leak-free operation even under high pressure or exposure to cleaning solutions and oils. Its exact sizing makes it a dependable replacement part for routine maintenance or complete pump rebuilds. Specifications & Features: Type: O-Ring Size: Cross Section (CS): 3.53 mm Inner Diameter (ID): 39.69 mm Material: Oil- and chemical-resistant elastomer (NBR, Viton®, or EPDM depending on application) Function: Provides a secure seal between components, preventing leaks and ensuring system efficiency Benefits: Long-lasting durability under pressure and chemicals Resistant to water, oils, and cleaning agents Easy installation for maintenance or repairs Ensures pump and equipment reliability Applications: Pressure washer pumps Softwash systems Industrial and agricultural spraying equipment General sealing needs in fluid transfer systems #35 on diagram
