Wacker Neuson 5000054242 Internal Retaining Ring 1.375 X .051

The Wacker Neuson Internal Retaining Ring 1.375 X.051 is a genuine OEM component designed for the ES-series electric rammers and M-series electrical power units for internal vibrators. This retaining ring is sourced directly from Wacker Neuson, ensuring it meets the original dimensional and material specifications required for a secure, lasting installation. Compatible fitment spans a broad range of models including the ES52Y, ES50, ES45Y electric rammers and M1000, M2000, and M3000 electrical power units across multiple voltage configurations. Replacing a worn or failed retaining ring with the correct OEM part helps maintain proper shaft and component retention, keeping the machine operating as designed.

Key Features

• Exact OEM Dimensions — Manufactured to the precise 1.375 x .051 inch specification, ensuring correct groove engagement and retention force for this application.
• Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson; part number 5000054242 matches the original component used on the production line.
• Broad Model Coverage — Fits ES52Y, ES50, and ES45Y electric rammers as well as M1000, M2000, and M3000 electrical power units across 115V, 120V, and 230V variants.
• Secure Component Retention — A correctly seated retaining ring prevents axial movement of internal shaft components, avoiding vibration-induced loosening or catastrophic disassembly during operation.
• Drop-In Replacement — Installs directly into the existing groove with standard snap-ring pliers; no machining or modification to housing required.

An internal retaining ring is a precision-formed circlip that snaps into a machined groove inside a bore or housing to lock a shaft, bearing, or other rotating component in its axial position. In electric rammers and electrical power units, this ring prevents critical internal components from walking out of position under the repeated impact loads and vibration these machines generate. When the ring becomes deformed, corroded, or dislodged, it can allow internal components to shift, leading to accelerated bearing wear, loss of power transmission, or mechanical failure that takes the unit out of service entirely.

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.