Multiquip 0041408000 Plain Washer

The Multiquip 0041408000 Plain Washer is a genuine OEM component designed for a wide range of Multiquip DCA ultra-silent and super-silent diesel generators, including the DCA15SPX3, DCA20SPX, DCA25SSIU, DCA25USI, and TLG8SSK4F series, as well as the BLW-400SSW welder. As a direct OEM replacement, this washer meets the original engineering specifications Multiquip built into these machines. Sourced directly through authorized channels, the part is the correct part to specify when servicing or reassembling generator and welder hardware connections. Cross-reference your model code against the fitment list to confirm compatibility before ordering.

Key Features

• Genuine OEM Material Grade — Manufactured to the same dimensional tolerances and material specification as the original, ensuring correct load distribution across fastened joints without deformation under torque.
• Drop-In Hardware Replacement — Matches the original bore diameter, outer diameter, and thickness for direct installation without modification to existing hardware or fastener stacks.
• Broad DCA and BLW Series Fitment — Confirmed for DCA10SPX3, DCA15SPX3, DCA15SPX4, DCA20SPX, DCA20SPXU2, DCA25SSI, DCA25SSIU, DCA25USI, TLG8SSK4F, BLW-400SSW, and related variants.
• Protects Mating Surfaces — Distributes clamping force evenly across panel, frame, and component mounting points, preventing surface damage and fastener pull-through on generator enclosure and welder assemblies.
• Correct Specification for Electrical and Fuel System Hardware — Using the specified OEM washer on generator and welder assemblies ensures grounding paths, bonding connections, and structural mounts perform as designed — substituting incorrect hardware can compromise both integrity and safety compliance.

A plain washer serves as a load-spreading interface between a fastener — bolt head or nut — and the surface it clamps against. By distributing clamping force over a larger area, it prevents the fastener from pulling through or damaging softer materials and keeps torque readings consistent during assembly. On diesel generators and arc welders like the DCA and BLW series, washers appear throughout enclosure panels, engine mounts, and electrical bonding points. When a washer is deformed, undersized, or missing, the fastener loses clamping integrity, which can lead to loose assemblies, vibration-induced wear, or compromised electrical connections over time.

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.