Feature 1Fitment: Fit for C1500 C2500 C3500 19962000; Fit for K1500 K2500 K3500 19962000. Heater climate control panel module is professionally made to ensure precise fit. 2OE Numbers: Replacing manufacturer part number for reference are 599006, 9378805, 599006, 16231165, 16238885, 16240105, 1572547, IN15422K. 3Enhanced Safety: Rear window defogger switch effectively prevents the condensation of fog in the rear window, ensures a clear driving line of sight, and improves driving safety 4Improved Climate Control: This replacement module can help solve issues of inconsistent heating or cooling, unresponsive controls, bringing you optimal interior driving comfort. 5Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles. Item Type: Air Conditioning Climate Control Module Material: ABS OE Number: 599-006, 9378805, 599006, 16231165, 16238885, 16240105, 15-72547, IN15422K Fitment: Fit for C1500 C2500 C3500 1996-2000 Fit for K1500 K2500 K3500 1996-2000 Package List 1 x AC Climate Control Module Note 1. Please carefully check the OEM number and Fitment model before purchasing. 2. It is highly recommended to have the installation done by a professional mechanic.