Alternators

Alternators — New & Surplus

Alternators are vital for generating electrical power in engines, machinery, and equipment. They convert mechanical energy into electrical energy to charge batteries and power electrical systems. At Surplus Select, we offer a variety of new and surplus alternators for industrial, automotive, marine, and agricultural applications. Each unit is inspected for performance and reliability, ensuring consistent voltage output and long operational life.

Our inventory includes OEM-quality alternators from brands such as Bosch, Delco Remy, Denso, Prestolite, and Caterpillar — available at surplus prices and ready to ship. Whether you’re repairing heavy machinery or maintaining a fleet, we provide dependable power solutions backed by surplus savings.

Price Match — We match any authorized distributor on identical in-stock parts, so you can source components at surplus pricing with confidence.

Trade-In Credit — Have quality new surplus alternators? Trade them in for store credit toward the parts you actually need.

Fast U.S. Shipping — Most orders ship same or next business day from our U.S. warehouse to keep your operation running.

Find Your Alternator Fast (Search-First)

Search by part number (e.g., 10459221, 8MR2070TA, 19020706).
No PN? Try specs like “12V 200A alternator” or “heavy-duty diesel alternator”.
Need OEM? Add the brand (e.g., Bosch alternator or Delco Remy).

Applications & Use Cases

Industrial machinery: Power generation for compressors, generators, and hydraulic systems.
Automotive & heavy vehicles: Reliable replacements for trucks, tractors, and construction equipment.
Marine systems: Alternators for boats, yachts, and marine diesel engines.
Agricultural equipment: Farm tractors, combines, and irrigation machinery.
Backup & auxiliary systems: Battery charging and standby power in remote applications.

Why Buy Alternators from Surplus Select

New & Surplus Options: OEM-grade alternators for multiple industries and voltage ranges.
Trusted Brands: Bosch, Denso, Delco Remy, Prestolite, and Caterpillar.
Tested Reliability: Every unit inspected for output, bearings, and voltage regulation.
Fast Shipping: Same or next business day shipping across the U.S.