ADAPTER - AIR HORN (Toyota TY00591-14144-81)

TY00591-14144-81: A damaged air horn adapter can cause a loss of air pressure, leading to a non-functional warning horn. This aftermarket replacement part references the Toyota catalog number TY00591-14144-81. The adapter connects the air horn to its air supply line, ensuring a sealed passage for compressed air. A cracked or worn adapter may produce an audible air leak, reducing horn volume or preventing operation entirely. During a routine check, a technician might notice a hissing sound near the horn assembly. The item ships at approximately 0.15 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY00591-14144-81, ty00591-14144-81, TY005911414481, ty005911414481