Multiquip 8943995540 Cylinder Head to Block Bolt M10x73 DCA125SSIU4F

The Multiquip 8943995540 is a genuine OEM Cylinder Head to Block Bolt M10x73 DCA125SSIU4F designed for the DCA125SSIU4F ultra-silent diesel generator. As a factory-sourced component, this bolt is manufactured to the exact thread pitch, shank length, and tensile specification required by the engine assembly in the DCA125SSIU4F. Sourcing the correct OEM fastener ensures proper clamp load across the cylinder head gasket, maintaining the engine's compression integrity and coolant sealing. DHS Equipment stocks this part to help keep your Multiquip generator back in service quickly.

Key Features

• Exact Engine Fastener Specification — M10x73 thread and shank dimensions match the original torque and clamping requirements of the DCA125SSIU4F engine block interface precisely.
• Genuine OEM Sourcing — Factory-supplied fastener engineered to the correct tensile grade and surface treatment, ensuring the head gasket seals under full operating load without fastener stretch or failure.
• Direct Fitment for DCA125SSIU4F — Purpose-built for the DCA125SSIU4F ultra-silent diesel generator; installs directly into the existing threaded bores without re-tapping or re-work.
• Critical Compression and Sealing Performance — A correctly torqued cylinder head bolt maintains combustion chamber pressure and prevents coolant or oil intrusion — a worn or undertorqued bolt risks head gasket failure and costly engine damage.
• Engine Integrity Under Load — Rated for the thermal cycling and vibration loads inherent in continuous-duty generator operation, sustaining consistent clamping force across service intervals.

A cylinder head bolt is a precision-grade fastener that clamps the cylinder head firmly against the engine block, compressing the head gasket to form a gas-tight and fluid-tight seal around each combustion chamber. On a diesel generator like the DCA125SSIU4F, these bolts must maintain consistent clamping force through repeated thermal expansion and contraction cycles as the engine heats up and cools down. When a cylinder head bolt stretches, corrodes, or is replaced with an incorrect fastener, the head gasket can fail, leading to lost compression, coolant leaks, or oil contamination — all of which take the generator offline and can cause serious internal engine damage.

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.