The 103-56459 A/C compressor is designed for heavy-duty mobile HVAC systems that require steady cooling during continuous operation. It uses the proven TM-16HD compressor platform, which supports dependable refrigerant flow in demanding applications. Because this compressor uses a direct-mount configuration, it installs easily into compatible OEM brackets. In addition, the horizontal O-ring fitting layout simplifies hose routing and helps reduce leak points. As a result, installation time decreases while long-term reliability improves. The 103-56459 operates on a 24-volt electrical system and uses a PV8 clutch with a 119 mm diameter. Therefore, it delivers smooth belt engagement and stable power transfer during extended duty cycles. This unit ships with the specified 180 cc oil charge and is designed for R134a refrigerant systems. Furthermore, its OEM Valeo design makes it a dependable replacement option across multiple heavy-duty platforms. Specifications General Compressor Type: TM-16HD Model Number: 56459 SKU: T4912 UPC: 666501350305 Refrigerant Type: R134a Mounting & Head Mount: Direct Back Head: F Fitting Size: 3/4″ × 7/8″ Fitting Angle / Type: Horizontal O-Ring Clutch & Drive Hub Type: 3E Clutch Grooves: PV8 Clutch Diameter: 119 mm Electrical Voltage: 24 V Lead Wire: 1 Bullet Oil Oil Amount: 180 cc OEM & Reference Numbers Valeo: 488-46402 Valeo / Seltec: 103-56459 Valeo: 10056402, 10356402 MEI: 5806T Truck Air / MEI: 03-3285T Cross Reference Numbers Texas Truck A/C: 300-6917 AirSource / MEI: 5806T ICE: 2521665 Omega: 20-46459-Q Primatech: PTAC5806T Truck Air / MEI: 03-3285T TruckAC : T4912 Applications & Notes Designed for heavy-duty mobile HVAC systems 24-volt electrical platforms TM-16HD compressor configuration Horizontal O-ring fittings Always verify mounting, belt alignment, and electrical requirements before installation
