Features: Precise engineered climate controls systems ensures optimal cabin comfortable in extreme temperatures. ABS housing integrates heater control, defrost, and HVAC functions with tool less installation, maintaining factory grade durability across seasonal temperature fluctuations. Ideal for car owners seeking reliabled HVAC systems upgrades or replacements, particularly DIYer enthusiasts requiring plug play compatibility with original wiring configurations. Optimizes driving comfort during winter commutes, road trips, or humid conditions requiring rapid windshield defogging through responsive temperature modulation. Direct fit heater control housing preserves factory airflows dynamics while enhancing climate management precise, for trucks operating in diverse weather zones. Specifications: Replacement part numbers: 68268189AA, 68105021AF, 68105021AC, 68105021AD, 68105021AE, 68226600AA, 68226600AB, 68236775AB, P68105021AF, p 6826600 aa, P68268189AA. Color: Black Size: Approx.21.5x8cm/8.46x3.15inch Component: ABS Package Includes: 1pcs Temperature Regulation Systems note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.