BT5-4637 Compressor – Sanden SD7H15HD 12V R134a, 133mm 8-Groove Clutch, KC Head

Description

The BT5-4637 Sanden compressor is built on the SD7H15HD (Heavy Duty) platform, engineered for trucks, buses, agricultural equipment, and industrial vehicles operating in demanding environments.

This compressor operates on 12V electrical systems, uses R134a refrigerant, and features a 133mm 8-groove serpentine clutch optimized for high-load belt drives. The KC head utilizes male insert O-ring #8 and #10 fittings with horizontal port orientation, allowing efficient hose routing in tight engine bays.

An ear-mount long housing, long keyed shaft, and two-wire male Packard electrical connector make this unit a direct replacement for a wide range of Sanden, Alliance, Volvo, Ford New Holland, and aftermarket references.

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Key Features

• Sanden SD7H15HD heavy-duty compressor platform

• 12V operation with R134a refrigerant

• 133mm 8-groove serpentine clutch

• KC head with male insert O-ring #8 & #10 fittings

• Ear 8 long mounting for heavy-duty installations

• Designed for commercial, agricultural, and industrial HVAC systems

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Essential Specifications

• BTRAC SKU: BT5-4637

• Compressor Model: SD7H15HD

• Voltage: 12V

• Refrigerant Type: R134a

• Mounting Type: Ear 8 Long

• Clutch Diameter: 133mm

• Number of Grooves: 8

• Belt Type: Serpentine

• Cylinders: 7

• Displacement: 9.5 cu.in.

• Factory Oil Charge: 270cc

• Oil Type: PAG100

• Rotation: CW

• Shaft Type: Long Key Shaft

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Head, Ports & Electrical

• Head Type: KC

• Fitting Port Position: Horizontal

• Fitting Style: Male Insert O-Ring #8 & #10

• O-Ring #1: 0013

• O-Ring #2: 0015

• Wire Type: 2-Wire Male Packard #12015792

• Diode Protection: None

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Replacement Components

• Replacement Clutch Assembly: 5179

• Replacement Head Assembly: 5638C

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OEM, Interchange & Cross-Reference Numbers

Primary Interchange Numbers

• 4637

• 5740

• 20-10194

• 75R84712

• ABPN83304552

• ABPN83304932

• 20370293

• 9824775

• 85104531

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Cross References

• Sanden: 4637

• MEI / AirSource: 5740

• Alliance: 304055, 304932

• CoolStar: 330-3044

• Kysor: 1410037

• Truck Air: 03-3407

• Texas Truck AC: 300-4479, 300-4479A

• Red Dot (Aftermarket): 75R84712

• Volvo: 814556, 8145566

• Ford New Holland: 9824775

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Applications

• Heavy-duty trucks

• Agricultural equipment

• Industrial machinery

• Mobile HVAC systems using 12V R134a platforms