Multiquip 0042310000 Lock Washer

The Multiquip 0042310000 is a genuine OEM Lock Washer designed for DCA-series ultra-silent and super-silent diesel generators, including the DCA220SSK, DCA300SSC, DCA400SSI, DCA400SSK, DCA500SSK, DCA600SSK, DCA600SSV, DCA800SSK, DCA800SSK2, DCA1100SSC, and related DCA generator variants. As a direct OEM replacement, this Lock Washer meets Multiquip's original engineering specifications, ensuring consistent performance across the full range of compatible DCA generator models. Sourced directly through authorized distribution channels, this part is an ideal choice for fleet maintenance programs, service technicians, and rental companies keeping DCA-series units running at peak condition.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's original hardness and dimensional tolerances, ensuring the correct clamp load and thread-locking performance for DCA generator fastener assemblies.
• Direct Drop-In Replacement — Matches the original fastener profile for straightforward installation without reworking existing hardware or fastener positions.
• Broad DCA Generator Compatibility — Fits a wide range of DCA ultra-silent and super-silent generator models including DCA220SSK, DCA400SSI, DCA600SSV, DCA800SSK, and DCA1100SSC series units.
• Fastener Integrity Under Vibration — Lock washers are critical in generator applications where engine and alternator vibration cycles can gradually loosen fasteners; this OEM part maintains proper clamping force throughout operation.
• Multiquip Part Number 0042310000 — Cross-reference this number against your service manual or parts diagram to confirm correct application before installation.

A lock washer is a small but essential fastener component used throughout generator assemblies to prevent nuts and bolts from loosening under vibration and dynamic loads. In diesel-powered generators like the DCA series, continuous engine vibration creates conditions where unsecured fasteners can back out over time, leading to loose connections, component misalignment, or in critical areas, potential mechanical failure. Replacing worn or deformed lock washers as part of routine service ensures fastener joints remain secure and the generator continues operating safely and reliably.

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.