GPD 6512346 HD SD7H15 A/C Compressor 8-Groove Serpentine 12V

The GPD 6512346 is a heavy-duty A/C compressor built on the proven Sanden SD7H15 platform, designed for demanding commercial and on-highway mobile HVAC applications. Featuring a 12-volt electromagnetic clutch and an 8-groove serpentine pulley, this unit delivers reliable belt engagement and superior torque transfer for high-load accessory drives.

Key Features:

• SD7H15 Heavy-Duty Platform — 7-cylinder swash-plate design with 9.5 cu. in. (155cc) displacement for superior cooling capacity
• 8-Groove Serpentine Clutch — Maximizes belt contact area for stable, slip-free operation under severe-duty conditions
• 12-Volt Electromagnetic Clutch — Compatible with standard 12V commercial vehicle electrical systems
• R134a Refrigerant Compatible — Pre-charged with compressor oil and ready for system installation
• Heavy-Duty (HD) Specification — Built to withstand the high head pressures and continuous duty cycles found in commercial truck HVAC systems
• New Replacement Unit — Manufactured to meet or exceed OEM fit, form, and function

The SD7H15's 7-piston internal architecture provides greater cooling capacity compared to older 5-piston compressor designs, making it well-suited for Class 6–8 trucks, fleet vehicles, and other commercial applications with demanding air conditioning requirements. Cross-reference numbers include Sanden 4822, Four Seasons 57785 / 58785, MEI 5349, and Red Dot RD5107410.