Wacker Neuson 5002003615 Ext Retaining Ring 18Mmx1.2Mm

The Wacker Neuson Ext Retaining Ring 18Mmx1.2Mm is a genuine OEM component designed for a broad range of Wacker Neuson electric breakers, electric hammers, external vibrators, and double drum vibratory rollers — including the EHB 11, EH 9, EHB 10, AR 52, AR 42, AR 62 series, and RD15 rollers. Sourced directly from Wacker Neuson, this retaining ring meets the exact dimensional and material specification of the original part it replaces. With compatibility spanning SDS-max, Spline, and 19x82.5 shank breaker variants across 115V, 230V, and 240V configurations, is a high-volume service item used across a wide equipment fleet. Keeping the correct retaining ring on hand means faster turnarounds and equipment returned to operation on spec.

Key Features

• Exact 18mm x 1.2mm Dimensional Spec — Matches the original groove geometry precisely, ensuring the ring seats and retains securely without play or distortion.
• Genuine Wacker Neuson OEM Part — Manufactured to the same specification as the part installed at the factory, with no substitutions in material grade or ring temper.
• Broad Cross-Series Compatibility — Fits EHB 11, EHB 10, EH 9, EH 8, AR 42, AR 52, AR 62 external vibrators, and RD15 double drum vibratory rollers — one part number covering a wide service inventory.
• Retains Critical Internal Components — A correctly sized and seated external retaining ring prevents axial movement of shafts, bearings, or assemblies; a worn or missing ring can lead to rapid internal wear or component separation under load.
• Direct Drop-In Service Part — Installs into the existing external groove using standard snap ring pliers — no machining or modification to the host assembly required.

An external retaining ring — also called a snap ring — is a small but essential fastening component that clips into a machined groove on the outside of a shaft or pin to prevent parts from sliding axially out of position. In electric breakers and hammers, retaining rings secure rotating and reciprocating components so the tool operates with the correct internal alignment under sustained impact loads. In external vibrators and compaction rollers, they hold bearing and drive assemblies in place against continuous vibration forces. When a retaining ring becomes worn, deformed, or missing, the components it restrains can shift, accelerating wear on adjacent parts and potentially causing assembly failure during operation.

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.