BT5-4418 12V Heavy-Duty A/C Compressor – SD7H15HD, Direct Mount, 8-Groove 119mm

Overview

The BT5-4418 SD7H15HD compressor is engineered for 12V heavy-duty mobile HVAC systems, with specific compatibility for Navistar trucks. Its direct long-mount design and 8-groove serpentine clutch provide stable belt engagement and durability in high-accessory diesel applications.

This unit uses a Navistar-specific cylinder head with top-exit O-ring compression ports, clocked at 12:00, allowing for OEM-style hose routing and serviceability. Clockwise rotation and a 2-wire Packard connector with integrated diode protection ensure seamless integration into standard heavy-duty A/C control circuits using R134a refrigerant.

Key Features

• 12-volt heavy-duty A/C compressor

• SD7H15HD compressor platform

• Direct long-mount configuration

• 8-groove serpentine clutch

• 119 mm clutch diameter

• Navistar-specific cylinder head

• Top-port O-ring compression fittings

• Clockwise rotation

• Designed for continuous mobile HVAC operation

Compressor Specifications

General

• Compressor Family: SD7H15

• Style: Heavy Duty (HD)

• Model: SD7H15HD

• Voltage: 12V

• Refrigerant Type: R134a

• Rotation: Clockwise (CW)

• Displacement: 155 cc (9.5 cu.in.)

• Number of Cylinders: 7

Mounting & Drive

• Mounting Style: SD7 Direct, Long

• Ear ID: T92 / B87

• Drive Type: Belt-driven

• Belt Type: Serpentine

• Clutch Grooves: 8

• Rotor Groove: PV8

• Clutch Diameter: 119 mm

• Shaft Type: Long Key Shaft

Head & Fittings

• Cylinder Head Type: 441 / Navistar-specific

• Fitting Port Position: Top

• Port Angle: Vertical

• Port Clocking: 12:00

• Head Port Style: O-Ring Compression

Pulley & Clutch Dimensions

• Gauge Line to First Groove: 36.58 mm

• Gauge Line to Middle Groove: 49.00 mm

• Gauge Line to End Groove: 61.50 mm

Oil Specifications

• Oil Type: PAG100

• Factory Oil Charge: 300 cc

Electrical Specifications

• System Voltage: 12V

• Coil Voltage: 12V

• Wire Type: 2-Wire Female Packard

• Connector Part Number: 15300002

• Diode Protection: Integrated

Interchange / Cross-Reference Numbers

• BTRAC: BT5-4418

• MEI: 5393, 5393G, 5393QS

• CoolStar: 330-2160

• Kysor: 1401389

• Navistar: 1611363C4, 1611363-C4, 3582435C1, 3582435-C1, 3582435C92, 3582435-C92

• Sanden: 4418

• Truck Air: 03-0804

• Red Dot: 75R89752, 75R89752Q, 75R90402

• Fleet / Aftermarket:
  4379-RD5146890P, ABP N83 304215, ACC3160, FLT4418Q, RDHRD5146890P, RDT75R89752, 509-5988

Typical Applications

• Navistar on-highway trucks

• Heavy-duty fleet vehicles

• Vocational and municipal trucks

• OEM and replacement mobile HVAC systems