The BT5-2521214 A/C compressor is built for heavy-duty mobile air-conditioning systems that require consistent cooling under continuous load. Because it uses the robust TM-31 compressor platform, it supports higher displacement and improved thermal control compared to smaller compressor families. In addition, the direct-mount design simplifies installation while maintaining accurate alignment in OE brackets. As a result, installation time is reduced and long-term belt tracking improves. Furthermore, the horizontal O-ring fitting layout allows clean hose routing and helps minimize leak points. Therefore, system reliability improves during extended duty cycles and high-ambient operation. The BT5-2521214 operates on a 24-volt electrical system and uses a PV8 clutch with a 152 mm diameter. Because of this larger clutch design, torque transfer remains stable even under high compressor loads. Specifications General BTRAC Part Number: BT5-2521214 Compressor Type: TM-31 Application Type: Heavy-Duty Mobile HVAC Refrigerant Type: R134a Mounting & Head Mount: Direct Back Head: N/A Fitting Size: 7/8″ × 1-1/16″ Fitting Angle / Type: Horizontal O-Ring Clutch & Drive Hub Type: 5E Clutch Grooves: PV8 Clutch Diameter: 152 mm Electrical Voltage: 24 V Lead Wire: 1 Bullet Cross Reference Numbers Texas Truck A/C: 300-6789 AirSource / MEI: 5901, 5901V CoolStar / MEI: 340-4035 ICE: 2521214 Mobile Climate Control: 17-31249-00 Omega: 20-10284 Primatech: PTAC5901, PTAC5901V Seltec / Valeo: 103-68550 Seltec / Valeo: 488-46550, 488-68550 Truck Air / MEI: 03-3768V, 24898 TruckAC : T4908 Applications & Notes Heavy-duty trucks and vocational equipment Mobile HVAC systems requiring TM-31 compressors However, always verify mounting configuration, belt alignment, and electrical requirements before installation to ensure proper system performance.
