Wacker Neuson 5100047190 Piston Guide Ring

The Wacker Neuson Piston Guide Ring is a genuine OEM component designed for DPU5247, DPU5260, DPU5275, DPU6260, and DPU6275 series vibration plates, as well as BPU5260 and BPU6275 series units. As a direct factory replacement sourced through Wacker Neuson's authorized parts chain, the is manufactured to the same specifications as the part originally installed at the factory. This guide ring covers an extensive range of model variants across the DPU and BPU lines, including He, Heh, Hep, Hehcb+, Hehcpb+, and H-suffix configurations, making it the correct choice for a wide cross-section of mid-to-large-frame vibratory plate compactors in the Wacker Neuson lineup.

Key Features

• OEM-Grade Dimensional Tolerancing — Manufactured to exact bore and wall-thickness specs so the piston moves freely without side-loading or accelerated cylinder wear.
• Drop-In Replacement — Matches the original ring profile and seating geometry, so it installs into the exciter housing the same way the factory part does — no machining or fitting required.
• Broad Model Coverage — Confirmed fitment across DPU5247, DPU5260, DPU5275, DPU6260, and DPU6275 series, plus BPU5260Ah and BPU6275Ah, covering a wide range of He, Heh, H, and special-edition variants.
• Sustained Compaction Output — A correctly seated piston guide ring keeps eccentric-shaft energy transferring efficiently to the plate, maintaining consistent centrifugal force and compaction depth across every pass.
• Extended Service Interval — Genuine OEM material grade resists the lateral stress and vibration fatigue that cause premature guide ring cracking or deformation in high-cycle compaction work.

The piston guide ring sits within the exciter unit of a vibratory plate compactor and keeps the piston centered as it reciprocates under the force generated by the rotating eccentric shaft. Its job is to control lateral movement, ensuring the piston travels in a straight, consistent path so that energy is converted efficiently into downward compaction force rather than lost to side-loading or friction. When this ring wears out or cracks, the piston begins to rock inside the bore, which accelerates cylinder wall wear, causes a noticeable drop in plate performance, and can lead to more extensive exciter damage 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.

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