Peterbilt 379 Alternator Parts
Ensure your Peterbilt 379 starts every time and keeps its electrical system running strong with high-performance starter and alternator parts built for semi trucks and heavy-duty commercial vehicles. At FleetRun Truck Parts, we carry a wide inventory of OEM and aftermarket replacements for your 379’s starting and charging system—designed to handle the demands of long-haul trucking, heavy loads, and continuous use.
Our Peterbilt 379 starter parts provide powerful cranking performance to ensure your engine fires up even under demanding conditions. Whether you run Cummins, Caterpillar, ISX, N14, or ISL engines, we offer starters engineered to meet spec and durability requirements. Meanwhile, our alternator parts deliver consistent voltage output that powers essential systems—lighting, HVAC, electronics, dash instruments—while keeping batteries charged over long operational hours.
You’ll find Peterbilt 379 starter & alternator solutions including high-output alternators, heavy-duty starters, solenoids, voltage regulators, and mounting hardware. Each component is tested for reliability and built for rugged use: high vibration resistance, solid electrical connections, thermal tolerance, and accurate fitment. For both owner-operators and fleet managers, using quality parts minimizes downtime, improves safety, and maintains the commercial vehicle’s performance.
FleetRun’s selection of semi truck parts for the Peterbilt 379 includes both budget-friendly aftermarket options and premium OEM quality. All are intended for durability, especially under repeated starts and charging cycles required in freight transport. With parts for the 379 model years (for example 1995-2003 Cummins ISC/ISL engines and others), it’s easier to match the exact starter or alternator that fits your truck.
Shop online for Peterbilt 379 starter & alternator replacement parts with features like fast shipping, free shipping on eligible orders, warranty support, and dependable customer service. Whether you’re replacing a worn alternator, fixing a failing starter, or doing preventative maintenance, our parts ensure your Peterbilt 379 commercial truck stays road-ready and strong.
