Multiquip Y0041210000 Flat Washer

The Multiquip Y0041210000 is a genuine OEM Flat Washer designed for Multiquip DCA Ultra-Silent and Super-Silent generator series equipment, including DCA150SSJU, DCA180SSJU, DCA300SSJU, DCA400SSI, DCA600SSV, DCA125SSIU, DCA40SSKU, and related DIS100SSK4F air compressor models. As a direct OEM replacement, this washer is manufactured to the exact dimensions and material specification Multiquip requires, ensuring proper load distribution and secure fastener seating across the assembly points where it is used. Confirm your model code against the fitment list to ensure compatibility before ordering.

Key Features

• Genuine OEM Material Spec — Manufactured to Multiquip's specified thickness, inner diameter, and hardness grade, ensuring correct load-bearing performance at each fastener point.
• Drop-In Installation — Matches the original hole pattern and seating surface exactly, so it installs in the same position as the factory washer without modification.
• Broad DCA Series Fitment — Compatible with multiple Multiquip Ultra-Silent and Super-Silent generator models including DCA150SSJU, DCA300SSJU, DCA600SSV, DCA400SSI, and DCA180SSJU variants.
• Prevents Fastener Damage — Properly distributes clamping load across the mating surface, protecting housings and panels from bolt pull-through or surface distortion during operation.
• Correct Torque Transfer — Using the right washer maintains consistent torque retention on generator enclosure and structural fasteners, reducing the risk of loosening under vibration loads typical of continuous generator operation.

A flat washer serves as a load-distribution interface between a fastener — such as a bolt or nut — and the surface it clamps against. By spreading clamping force over a wider area, it prevents the fastener head from pulling into or damaging softer materials and helps maintain consistent clamping tension over time. In generator equipment like the Multiquip DCA series, where enclosure panels, structural frames, and mechanical assemblies are subject to continuous engine vibration, using the correct washer is essential to keeping fasteners properly seated and assemblies structurally sound. A missing or incorrect washer can lead to fastener loosening, surface damage, or component misalignment during extended operation.

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.