WASHER - 3-1/2 OD X 2-9/16 ID (JLG JL91403165)

JL91403165: A worn washer can compromise the clamping force of a bolted joint, leading to loosening under vibration. This aftermarket replacement part references the JLG catalog number JL91403165. The washer type provides a bearing surface for a fastener and distributes load over a wider area. A failed washer may allow a fastener to embed into the softer material, reducing preload and risking joint failure. During assembly, a washer of the correct size helps prevent galling between the fastener head and the mating surface. The part is a flat washer with an outer diameter of 3-1/2 inches and an inner diameter of 2-9/16 inches. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL91403165, jl91403165