Wacker Neuson 5000155484 External Retaining Ring 1/2

The Wacker Neuson External Retaining Ring 1/2 is a genuine OEM component designed for the CRT48-31V-ES and CRT48-31V-ES-E ride-on concrete trowels. As a direct factory replacement, this retaining ring meets the original dimensional and material specifications required for proper function within the machine. Confirm your model number before ordering to ensure an exact match for your CRT48 series trowel.

Key Features

• Genuine OEM Dimensional Accuracy — Manufactured to the original bore and groove tolerances, ensuring the ring seats fully and holds its retained component securely without slipping or deforming.
• Drop-In Installation — Engineered to the same external diameter and ring thickness as the factory-installed part, so it installs with standard snap-ring pliers and requires no reworking of the housing or shaft.
• CRT48-31V-ES Series Fitment — Confirmed for the CRT48-31V-ES-E and CRT48-31V-ES 48-inch ride-on concrete trowels with electronic steering.
• Retains Critical Components Under Load — A correctly seated external retaining ring prevents axial movement of shafts, bearings, or rotating assemblies during troweling operation; a worn or missing ring can allow components to shift, leading to accelerated wear or mechanical failure.
• Sourced from the Manufacturer — Supplied as a genuine Wacker Neuson OEM part, carrying the same part number used in factory assembly and authorized service documentation.

An external retaining ring is a precision-formed circlip that snaps into a machined groove on the outside of a shaft or pin to prevent axially mounted components — such as bearings, gears, or pulleys — from walking off the end of the shaft during operation. On a ride-on concrete trowel like the CRT48-31V series, rotating assemblies are subject to continuous vibration and load cycling, which places constant stress on every fastening element. If the retaining ring becomes distorted, corroded, or dislodged, the component it retains can shift out of alignment, causing premature bearing wear, noisy operation, or more significant drivetrain 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.