Model Compatibility: Fits A3-compatible air tube pressure hose systems requiring part number 6C0145770A or 5QD145770 as a direct functional replacement. Part Number Match: Replaces part numbers 6C0145770A and 5QD145770 in identical form, fit, and function for A3-compatible. Functional Purpose: Restores air tube pressure hose functionality without altering design, or specification of the A3-compatible system. Specification Alignment: Matches the dimensional, material, and connection characteristics implied by the part numbers 6C0145770A and 5QD145770 for A3-compatible use. Installation Scope: Designed for straightforward installation into A3-compatible systems where the 6C0145770A or 5QD145770 pressure hose was installed., Manufacturer: AcqjEYdoX