Multiquip 9091115080 Adjustable Screw Lock Nut

The Multiquip 9091115080 is a genuine OEM Adjustable Screw Lock Nut designed for DCA-series ultra-silent diesel generator models including the DCA40SSI, DCA40SSAI, DCA45SSIU2, DCA60SSAI, and DCA60SSI2. As a direct OEM component sourced through the Multiquip parts program, 9091115080 is manufactured to the same specification as the part originally installed at the factory. Verify your model code against the confirmed fitment list before ordering to ensure an accurate match for your unit.

Key Features

• Genuine OEM Construction — Manufactured to the exact material and thread specification of the original fastener, ensuring the locking action performs as intended in the generator assembly.
• Direct-Fit Replacement — Drops into the existing fastener position on compatible DCA-series generators with no reworking of the surrounding hardware.
• Broad DCA-Series Compatibility — Confirmed fitment across DCA40SSI, DCA40SSAI, DCA45SSIU2, DCA60SSAI, and DCA60SSI2 ultra-silent generator platforms, including GEER and FEMA variants.
• Secure Adjustment Retention — The locking nut holds the adjustable screw in its set position during operation, preventing drift or loosening caused by vibration over extended run cycles.
• Long-Term Fastener Integrity — A worn or damaged lock nut allows critical adjustments to shift under load, which can lead to misalignment or performance degradation in the generator system.

An adjustable screw lock nut is a threaded fastener designed to secure an adjustable screw at a specific set position, resisting movement caused by mechanical vibration and operational loads. In diesel generator applications, these fasteners are commonly used in governor linkages, throttle assemblies, and other adjustment-critical systems where positional accuracy directly affects engine speed regulation and output stability. When the lock nut wears, corrodes, or loses its clamping force, the adjustable screw it retains can migrate from its calibrated position, causing inconsistent engine speed, voltage fluctuation, or the need for repeated manual readjustment.

DHS Equipment is an authorized Multiquip parts distributor. Contact our team if you need help confirming fitment for your specific DCA generator serial number or model variant.

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.