BT5-4370 12V Super Heavy-Duty A/C Compressor – SD7H15 Super HD, 12-Groove 126mm

Product Overview

The BT5-4370 is built on Sanden’s SD7H15 Super HD platform, offering increased durability for vehicles and equipment that operate under continuous or severe conditions. Its 12-groove serpentine clutch provides superior belt contact, helping maintain consistent drive engagement even under high accessory loads.

Additionally, the compressor is optimized for R134a refrigerant systems and includes a GQ-style cylinder head with lateral, 90-degree O-ring pad ports. As a result, it supports clean hose routing, reliable sealing, and OEM-style fitment across a wide range of heavy-duty and vocational applications.

Key Features

• SD7H15 Super HD compressor platform

• 12V electrical system compatibility

• 126 mm 12-groove serpentine clutch

• Direct short-mount configuration

• GQ cylinder head with lateral 90° pad fittings

• Designed for R134a refrigerant

• Factory-filled with PAG100 oil

• Diode and thermal fuse electrical protection

Essential Specifications

• Compressor Family: SD7H15 Super HD

• Style: Super Heavy Duty

• Mount Type: Direct, Short

• Refrigerant: R134a

• Displacement: 9.5 cu.in.

• Rotation Direction: Clockwise (CW)

• Oil Type: PAG100

• Oil Quantity: 240 cc

• Cylinder Head: GQ

• Port Position: Lateral

• Fitting Style: O-Ring Pad @ 90°

• Shaft Type: Long Key Shaft

• Number of Cylinders: 7

Pulley & Clutch Specifications

• Clutch Diameter: 126 mm

• Number of Grooves: 12

• Belt Type: Serpentine

Electrical Specifications

• Voltage: 12V

• Wire Type: 2-Wire Female Packard

• Connector Part Number: 15300002

• Protection: Diode and thermal fuse

Service & Replacement Components

• Replacement Clutch Assembly: 50414S

• Replacement Head Assembly: 50001

• O-Ring #1: 0013

• O-Ring #2: 0015

Interchange Numbers

1401416, 20-04078, 20-04078-AM, 300-4303, 330-2460, 4078, 4370, 4379-RD5132100P, 5402, 75R89532, 75R89532A, ABP N83 304199, ACC3460, F69-6003-151, RDHRD5132100P, RDT75R89532

Applications

Commonly used in:

• Heavy-duty trucks

• Vocational and fleet vehicles

• High-load mobile HVAC systems

• Severe-duty and specialty equipment

Installation Notes

Always verify belt alignment, clutch clearance, and port orientation before installation. Proper evacuation and charging procedures are required to ensure correct lubrication and long compressor service life.