Multiquip R537624 Hex Head Bolt

The Multiquip R537624 Hex Head Bolt is a genuine OEM fastener designed for the DCA-series Ultra-Silent diesel-powered generator lineup, including DCA70SSJU4F, DCA150SSJU4F, DCA180SSJU4F, and DCA300SSJU4F models. As a factory-sourced component, it is manufactured to the exact dimensions and grade specifications required by Multiquip for these units. Verified fitment spans multiple 60Hz and standard configurations across the DCA Super-Silent and Ultra-Silent generator families, making it a direct, confidence-ready replacement. Sourcing the correct OEM fastener ensures structural integrity is maintained at critical assembly points throughout the generator.

Key Features

• OEM-Grade Fastener Integrity — Manufactured to the exact thread pitch, head dimensions, and tensile grade specified by Multiquip for DCA-series generator assemblies, ensuring consistent clamping force at critical joints.
• Direct-Fit Replacement — Matches the original bolt profile exactly, threading into existing mounting points without any rework or re-tapping required.
• Broad DCA-Series Compatibility — Confirmed fitment across DCA70SSJU4F, DCA150SSJU4F, DCA150SSJU4F2, DCA150SSJU4F3, DCA180SSJU4F, DCA180SSJU4F3, DCA220SSJU4F3, DCA300SSJU4F, DCA300SSJU4F2, DCA300SSJU4F3, and DCA300SSJU4F3PD configurations.
• Structural Reliability Under Load — Correct fastener grade prevents joint fatigue, loosening from vibration, and premature wear at generator housing and component mounting locations.
• Genuine Multiquip OEM Part — Supplied under Multiquip part number R537624, ensuring you receive the exact component specified for your machine — not a generic substitute.

A hex head bolt is a threaded fastener used to secure structural and mechanical components within the generator assembly. In a high-vibration environment like a diesel generator, fasteners are subject to constant dynamic loading, and using a bolt of the correct thread specification, length, and material grade is essential to maintaining tight, secure connections over time. A fastener that is undersized, incorrectly graded, or worn can work loose under vibration, potentially causing component misalignment, damage to mating surfaces, or unsafe operating conditions — making OEM specification critical when replacing fasteners in generator equipment.

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.