Multiquip 5157290330 Bolt

The Multiquip 5157290330 Bolt is a genuine OEM fastener designed for Multiquip DCA-series ultra-silent diesel generators, including the DCA25SSIU, DCA25SSI, DCA25SSI2, DCA25SSAI, DCA45SSIU2, DCA60SSAI, and DCA60SSI2. As a direct OEM replacement, it meets the exact material and dimensional specifications set for these units, ensuring a proper fit without modification. DHS Equipment stocks this part to help keep your generator running with components built to the same standard as the original. Confirm your model code against the fitment list before ordering to ensure you receive the correct fastener for your application.

Key Features

• Genuine OEM Fastener Grade — Manufactured to the exact tensile strength and thread specification required for structural and mechanical joints on DCA-series generators, where an under-spec bolt can lead to loosening under vibration or load.
• Direct Drop-In Replacement — Matches the original thread pitch, length, and head type, so it installs directly into the existing mounting point without rework or adapters.
• Broad DCA-Series Compatibility — Confirmed fitment across DCA25SSIU, DCA25SSI, DCA25SSI2, DCA25SSAI, DCA45SSIU2, DCA60SSAI, DCA60SSI2, and select FEMA and GEER variants.
• Vibration-Resistant Retention — Generator sets run under sustained engine vibration; using the correct OEM bolt ensures the clamping force and material properties are matched to that operating environment.
• Structural Integrity Assurance — Fasteners on generator enclosures and internal assemblies bear continuous dynamic loads; substituting an incorrect grade can compromise panel alignment, component mounting, or enclosure sealing.

A bolt may seem like a simple component, but on a diesel generator it plays a critical role in securing panels, brackets, engine mounts, and internal assemblies against the continuous vibration produced during operation. Using a fastener of the correct grade, thread specification, and length ensures that clamping force is maintained over time — preventing loosening, misalignment, or damage to the components it holds in place. When a bolt fails or is replaced with an incorrect substitute, the resulting movement can cause wear on mating surfaces, allow enclosure gaps that affect sound attenuation on ultra-silent units, or lead to more significant mechanical failures down the line.

For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment parts team.

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.