Description
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
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BTRAC Part Number: BT5-2521214
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Compressor Type: TM-31
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Application Type: Heavy-Duty Mobile HVAC
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Refrigerant Type: R134a
Mounting & Head
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Mount: Direct
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Back Head: N/A
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Fitting Size: 7/8″ × 1-1/16″
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Fitting Angle / Type: Horizontal O-Ring
Clutch & Drive
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Hub Type: 5E
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Clutch Grooves: PV8
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Clutch Diameter: 152 mm
Electrical
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Voltage: 24 V
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Lead Wire: 1 Bullet
Cross Reference Numbers
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Texas Truck A/C: 300-6789
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AirSource / MEI: 5901, 5901V
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CoolStar / MEI: 340-4035
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ICE: 2521214
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Mobile Climate Control: 17-31249-00
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Omega: 20-10284
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Primatech: PTAC5901, PTAC5901V
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Seltec / Valeo: 103-68550
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Seltec / Valeo: 488-46550, 488-68550
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Truck Air / MEI: 03-3768V, 24898
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TruckAC+: T4908
Applications & Notes
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Heavy-duty trucks and vocational equipment
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Mobile HVAC systems requiring TM-31 compressors
However, always verify mounting configuration, belt alignment, and electrical requirements before installation to ensure proper system performance.





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