NUT - JAM (Hyundai HN110291)

A damaged jam nut can allow fastened components to loosen under vibration, leading to misalignment or mechanical noise. Hyundai lists this part under catalog number HN110291 as a jam nut, a thin fastener used to lock another nut in place by applying friction against it. This aftermarket replacement part is cross-referenced to the Hyundai OE number HN110291. The jam nut's primary mechanical function is to prevent the primary nut from backing off due to dynamic loads. A common failure consequence of a worn or missing jam nut is gradual loosening of the assembly, which may cause rattling or reduced clamping force. During routine service, a jam nut may be replaced if its threads are stripped or deformed. Verify the serial number or application, then call (562) 693-7748. The item ships at approximately 0.01 POUNDS.

Part number variants: HN110291, hn110291