BT5-47246 24V A/C Compressor – Seltec / Valeo TM21HX, 8-Groove, Direct Mount
$331.87
The BT5-47246 is a 24-volt Seltec / Valeo TM21HX A/C compressor designed for high-capacity bus and transit HVAC systems that require a direct-mount compressor, 8-groove serpentine clutch, and horizontal pad fittings. Because this unit uses the TM21HX 10-cylinder platform, it delivers consistent, high-output cooling performance in continuous-duty applications.
In addition, this compressor supports R134a refrigerant, features a 141 mm PV8 clutch, and is built to OEM fitment standards, making it a dependable replacement across multiple bus and fleet platforms.
In stock (can be backordered)
Description
Overview
The BT5-47246 TM21HX compressor is engineered for 24V mobile air-conditioning systems where reliability, capacity, and precise mounting geometry are critical. Its direct-mount design simplifies installation, while the horizontal pad fitting layout supports clean hose routing in tight engine compartments.
Furthermore, the compressor supports CW/CCW rotation, uses a splined shaft, and comes factory-configured for PAG oil, allowing compatibility across a wide range of heavy-duty HVAC systems.
Key Features
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24-volt heavy-duty A/C compressor
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Seltec / Valeo TM21HX compressor platform
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Direct-mount configuration
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8-groove serpentine belt drive (PV8)
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141 mm clutch diameter
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Horizontal pad-style fittings
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High-capacity 10-cylinder design
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Built for continuous-duty bus HVAC systems
Compressor Specifications
General
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Manufacturer: Seltec / Valeo
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Model: TM21HX
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Voltage: 24V
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Refrigerant Type: R134a
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Number of Cylinders: 10
Mounting & Drive
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Mounting Type: Direct mount
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Drive Type: Belt-driven
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Belt Type: Serpentine
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Clutch Grooves: 8 (PV8)
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Clutch Diameter: 141 mm
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Hub Type: 3E
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Shaft Type: Splined shaft
Head & Fittings
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Head Type: G
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Fitting Port Position: Horizontal
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Fitting Style: Pad (GM-style pad)
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Replacement Head Assembly: NSS
Oil Specifications
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Oil Type: PAG (per OE specification)
Electrical Specifications
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System Voltage: 24V
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Wire Type: 2-wire / dual bullet
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Rotation: CW / CCW
Interchange / Cross-Reference Numbers
Primary References
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BTRAC: BT5-47246
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MEI: 5881
OEM & Manufacturer Numbers
18-10123-05, 10057246, 100-57246, 10357246, 103-57395, 435-57246, 488-47246, 10367268
Seltec / Valeo References
47246, 5881, 5881G, 103-57246, 488-47246
Industry & Aftermarket Cross References
20-47246, 2521563, 512219, 4379-RD5118662P
Fleet & Supplier References
ABP N83 304743, ACC8325, PTAC5881, RF999999710
Red Dot & Related
RDHRD5118662P, RDT75R86144Q, 75R86144A, 75R86144Q
Additional References
CO 47246I, CO-6292CA, QP21-1563
Typical Applications
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Transit and coach buses
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Shuttle and specialty buses
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High-capacity mobile HVAC systems
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OEM and aftermarket TM21HX compressor replacements
Additional information
| Weight | 19 lbs |
|---|---|
| Make | |
| Model | |
| Voltage | |
| Electric | |
| Mount | |
| Groove | |
| Diameter | |
| Head | |
| Fitting/Port | |
| Wires | |
| Oil Amount | |
| Oil Type | |
| Refrigerant | R134A |
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