Multiquip 0042612000 Lock Washer

The Multiquip 0042612000 is a genuine OEM Lock Washer designed for DCA125 and DCA150 series ultra-silent diesel generators, including models DCA125SSIU, DCA125SSIU4F, DCA125SSJU4I, DCA125USI3CAN, DCA125USJ, DCA150SSJU3. As a direct OEM component, it meets the original engineering specifications for these generator platforms, ensuring correct seating and secure fastener retention. This part is compatible across a wide range of DCA-series configurations, covering both 50Hz and 60Hz variants as well as Isuzu and John Deere powered units in the ultra-silent lineup.

Key Features

• Genuine OEM Construction — Manufactured to the original dimensional and material specifications required for secure fastener locking in DCA-series generator assemblies.
• Direct-Fit Replacement — Installs in the same position and orientation as the original, with no rework needed to mounting hardware or mating surfaces.
• Broad DCA-Series Compatibility — Fits DCA125SSIU, DCA125SSJU, DCA150SSJU, DCA150SSVU, DCA150USJ, and numerous related ultra-silent and diesel generator variants.
• Fastener Integrity Under Load — Maintains clamping force during generator operation, resisting vibration-induced loosening that can lead to fastener failure and component damage over time.
• Correct Spec for Critical Applications — Using the proper OEM washer in generator assemblies ensures torque values and clamping specifications remain within design tolerances.

A lock washer is a small but essential fastening component that sits beneath a bolt or nut to prevent it from loosening due to vibration or dynamic loads. In diesel generator sets like the DCA125 and DCA150 series, where continuous engine vibration is a constant operational factor, lock washers play a critical role in keeping assemblies secure and preventing hardware from backing out over time. A worn, missing, or incorrect lock washer can allow fasteners to loosen progressively, potentially leading to component misalignment, fluid leaks, or structural failure within the generator assembly.

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.