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