Multiquip 7961025004 Rectifier

The Multiquip 7961025004 Rectifier is a genuine OEM component designed for DCA series ultra-silent and super-silent diesel generators, including DCA10, DCA15, DCA20, and DCA25 models, as well as the BLW-400SSW welder. As a direct Multiquip OEM part, the part is manufactured to the same specification as the original unit, ensuring proper electrical output and compatibility across a wide range of Multiquip generator platforms. Whether you are servicing a DCA25SSIU, DCA25USI, DCA20SPX, or any other supported model in the DCA lineup, this rectifier is the correct replacement to restore proper generator function. DHS Equipment stocks genuine Multiquip parts so you can get the right component and get back to work without guesswork.

Key Features

• Genuine OEM Electrical Specification — Built to the original rectifier output and voltage rating, ensuring consistent AC-to-DC conversion without risk of underperformance or component mismatch.
• Drop-In Replacement — Connects directly to the existing wiring harness and mounting points on supported DCA series generators and BLW-400SSW welders with no modification to the electrical system.
• Broad DCA Series Fitment — Compatible with DCA10, DCA15, DCA20, and DCA25 model families, including ultra-silent and super-silent variants such as the DCA25SSIU, DCA25USI, DCA20SPXU4F, and DCA15SPX4.
• Protects Downstream Electrical Components — A correctly functioning rectifier delivers clean, stable DC power to the generator's control systems and charging circuit, preventing voltage irregularities that can damage sensitive electronics.
• Electrical Safety Compliance — Using the correct OEM rectifier maintains proper voltage regulation, reducing the risk of electrical faults, overloading, or unsafe output conditions during operation.

The rectifier is a critical electrical component in a generator's charging and power regulation system. It converts alternating current (AC) produced by the alternator into direct current (DC), which is used to power the generator's control board, battery charging circuit, and other onboard electronics. When a rectifier fails, the generator may lose the ability to maintain a stable charge, experience erratic output voltage, or shut down unexpectedly — symptoms that can easily be mistaken for alternator or control board faults. Replacing a worn or failed rectifier with the correct OEM part restores proper current flow and protects the broader electrical system from damage caused by unregulated voltage.

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.