WASHER - 3-1/2 OD X 2-9/16 ID (JLG JL91403164)

JL91403164: A worn washer can compromise the clamping force of a bolted joint. This aftermarket replacement part references JLG catalog number JL91403164. The washer is a flat, thin disc with a central hole, designed to distribute load and reduce surface friction under a fastener. When a washer fails or is missing, the fastener may loosen over time due to vibration or thermal cycling. In a repair context, selecting the correct washer thickness and inner diameter is critical for proper assembly. The part is identified as a 3-1/2 OD X 2-9/16 ID washer. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL91403164, jl91403164