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Heavy-Duty Parts For Truck, Bus, and Off-Road Equipment.

Alternators

TruckAC+ offers a precise, dependable selection of alternators tailored for trucks, buses, off-road vehicles, and APU systems. Our catalog includes high-quality offerings from trusted brands like Red Dot, RigMaster, Dynasys, Thermo King, and Carrier ComfortPro, each chosen for their durability, performance, and OEM compatibility. Whether you're in need of a RigMaster Smart Alternator (170 A), a Dynasys Aftermarket Alternator Gen 1/2/2 K, or compact Thermo King (65 A or 120 A) and Carrier (60 A) options, we have the part that keeps your power systems running efficiently.

We emphasize seamless shopping with easy part-number lookup and OE cross-reference tools. Benefit from competitive pricing, manufacturer’s warranties, and same-day shipping on in-stock items—minimizing downtime and maximizing uptime. Whether replacing a worn alternator or upgrading your electrical system for demanding applications, TruckAC+ delivers reliable power solutions backed by expert customer support. Get back on the road—the right way.

TruckAC+ is your direct source for Heavy-Duty Parts on Truck, Bus, and Off-Road Equipment applications. We offer brand specific products, backed by a manufacturer’s warranty, competitive pricing, and guaranteed same day shipping. TruckAC+ product offerings include Red Dot A/C and Heat units, OEM Sanden A/C Compressors, Blower Motors, Condensers, Evaporators, Expansion Valves, A/C Fittings, Heater Cores, Receiver Driers, Sensors, Turbochargers, Hydraulic Hose/Fittings, APU Parts and more!

Our website is simple to navigate; you can shop by the OE number and/or product to complete your order within minutes. For assistance with an order, please contact our Customer Service team. Customer Service Representatives are available Monday – Friday 8am - 5pm (CST) by email at customerservice@truckac.com, or phone at 1-844-878-2522.