Wacker Neuson 5000160981 Secondary 2500W Alternator

The Wacker Neuson Secondary 2500W Alternator is a genuine OEM component designed for GP2600 and GP2500A series portable generators. Sourced directly from Wacker Neuson, this part meets the exact electrical output specifications required for correct generator performance across all compatible GP2600 and GP2500A configurations, including EPA-compliant models. Fitting the ensures your generator's secondary winding output is restored to the correct rated capacity — no guesswork, no compromise on power delivery.

Key Features

• Correct Output Rating: — Wound and rated to the original 2500W secondary output specification, ensuring the generator delivers stable, usable power to connected loads.
• Genuine OEM Component: — Manufactured by Wacker Neuson to the same electrical tolerances and insulation standards as the original production unit — not a generic substitute.
• Direct-Fit Replacement: — Engineered to match the original mounting points and wiring connections on GP2600 and GP2500A generators, allowing straightforward installation.
• Broad GP Series Compatibility: — Confirmed fitment across GP2600 Premium Portable Generator, GP2600 Portable Generator, GP2500A, and GP2500A EPA-compliant generator models.
• Electrical Safety Compliance: — A worn or shorted alternator winding can produce irregular voltage output that risks damaging connected equipment. Replacing with a genuine OEM unit restores safe, rated voltage delivery.

The secondary alternator in a portable generator is responsible for converting mechanical energy from the engine into usable electrical output at the rated wattage. In a dual-winding generator design, the secondary alternator handles a defined share of the total power output — in this case, 2500W — and feeds it to the generator's output circuits. When this component degrades or fails, the generator may produce low voltage, fluctuating power, or lose output capacity entirely, making it unsuitable for powering tools or equipment on site. Replacing the 5000160981 restores full rated output and protects downstream equipment from unstable power supply.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.