The Trans/Air TM15 Direct Mount A/C Compressor – PN: 512087 is a heavy-duty, OEM-grade solution for restoring cooling power to your commercial HVAC system. Designed for 12V electrical systems and configured with a 2-groove pulley, this compressor offers reliable, high-efficiency operation in vehicles such as shuttles, school buses, motorcoaches, and specialty transport vans. Built with fleet operators and HVAC service professionals in mind, this TM15 compressor is fully compatible with R-134a refrigerant and features a direct mount setup for fast, secure installation. Whether you're replacing a failed compressor or performing proactive system maintenance, the 512087 delivers the durability and performance needed for long service life in demanding operating conditions. Technical Specifications: Manufacturer: Trans/Air Part Number: 512087 Compressor Type: TM15 (Direct Mount) Voltage: 12V Pulley: 2-Groove Refrigerant: R-134a Application: Bus, shuttle, school bus, and commercial vehicle HVAC systems Mounting Style: Direct mount Clutch Type: 12V electromagnetic clutch Usage: A/C compressor for mobile climate control systems