Wacker Neuson 5000184537 O-Ring, 72.62 X 3.53 70Sh

The Wacker Neuson O-Ring, 72.62 X 3.53 70Sh is a genuine OEM seal designed for the P35A series pumps. Sourced directly from Wacker Neuson, this part meets the exact material grade and dimensional tolerances specified for the original application. It is confirmed to fit multiple P35A configurations, giving you confidence that you are ordering the correct part for your machine.

Key Features

• 70-Shore Hardness Elastomer Construction — The 70Sh durometer rating delivers the correct compression and resilience needed to maintain a reliable fluid-tight seal under operating pressures specific to P35A pump applications.
• Exact Dimensional Match — At 72.62mm inner diameter and 3.53mm cross-section, this O-ring seats correctly in the original groove without alteration, ensuring a leak-free installation.
• Genuine OEM Part — Manufactured to Wacker Neuson specification, so the material compound, hardness, and geometry are identical to what came from the factory.
• Confirmed P35A Series Fitment — Verified across multiple P35A pump variants, including EU-spec models, so you can order with confidence regardless of your specific serial range.
• Sealing Integrity Protects Pump Performance — A correctly functioning O-ring prevents fluid bypass and contamination ingress; a worn or flattened seal leads to pressure loss, leaks, and accelerated internal wear.

An O-ring is a precision sealing component that sits within a machined groove to create a fluid-tight barrier between mating surfaces. In a pump like the P35A, O-rings prevent water or hydraulic fluid from bypassing critical internal passages, maintaining the pressure differential the pump relies on to move fluid efficiently. When an O-ring flattens, cracks, or takes a compression set, it loses its ability to seal, leading to visible leaks, loss of output pressure, and potential damage to surrounding components if left unaddressed.

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.