Multiquip M5163700004 Bearing Spacer

The Multiquip M5163700004 Bearing Spacer is a genuine OEM component designed for the DCA300SS series Super-Silent and diesel-powered generators, including DCA300SSJU4F, DCA300SSJU4F2, DCA300SSJU4F3, DCA300SSJU4F3PD, and DCA300SSCU2 and DCA300SSCU4i models. As a direct OEM replacement, it is manufactured to the original design specification, ensuring the part fits and functions exactly as intended without any rework. DHS Equipment sources this part directly through authorized Multiquip supply channels, so you can order with confidence knowing you are receiving the correct component for your machine.

Key Features

• Genuine OEM Precision Tolerancing — Manufactured to exact dimensional specifications, ensuring correct bearing alignment and load distribution within the alternator assembly.
• Drop-In Replacement — Engineered to seat and align identically to the original, matching the bearing journal and housing interface on DCA300SS series generators.
• Broad DCA300SS Series Fitment — Compatible across DCA300SSJU4F, DCA300SSJU4F2, DCA300SSJU4F3, DCA300SSJU4F3PD, DCA300SSCU2, and DCA300SSCU4i models.
• Protects Bearing Integrity — A correctly installed bearing spacer maintains proper axial positioning, preventing premature bearing wear, vibration, and alternator output instability.
• Electrical Safety Compliance — Proper bearing alignment in a generator alternator is critical to maintaining safe rotor clearance and preventing electrical faults caused by mechanical contact.

A bearing spacer maintains the correct axial gap and alignment between bearings within the alternator or drivetrain assembly of a generator. By holding each bearing at a defined position along the shaft, it prevents lateral movement, distributes mechanical load evenly, and reduces heat buildup caused by improper contact. When a bearing spacer wears, cracks, or is incorrectly sized, bearings shift out of position, accelerating wear, increasing vibration, and in a generator application, risking damage to the rotor windings or output performance.

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.