The Wacker Neuson is a genuine OEM Piston, Oversize 0.50 designed for the VP1135R and VP1135RW series single-direction vibratory plate compactors. As an authorized OEM component, part is manufactured to the same specifications as the original, ensuring a correct fit in the engine bore without machining or guesswork. This oversize piston is sized at 0.50mm above standard, making it the correct replacement following a cylinder bore re-hone or when standard clearances have been exceeded through wear. Sourced directly from Wacker Neuson, this part supports a proper engine rebuild that restores full compression and performance to your plate compactor.
Key Features
- OEM-Spec Oversize Dimensioning — Cast and machined to the exact 0.50mm oversize specification, ensuring correct bore-to-piston clearance after a standard cylinder re-hone.
- Drop-In Engine Rebuild Fit — Designed to seat in the re-bored cylinder of the VP1135R and VP1135RW without additional sizing or fitting work when the bore is honed to the matching oversize tolerance.
- VP1135R and VP1135RW Compatibility — Confirmed fitment across the 11 kN Value Vibratory Plate family, including the 350mm/13.8 in and 356mm/14 in plate variants.
- Compression Restoration — A worn or scored standard piston causes loss of compression, hard starting, and reduced compaction force. Installing the correct oversize piston restores cylinder seal and returns the engine to full power output.
- Genuine Wacker Neuson OEM Part — Supplied by Wacker Neuson as an authorized service component, so the alloy grade, ring groove dimensions, and pin bore geometry match the original engine design exactly.
The piston is the reciprocating component inside the engine cylinder that converts combustion pressure into the crankshaft motion that drives the exciter unit of the vibratory plate. Over time, the piston and cylinder bore wear together, reducing the tight seal needed to maintain compression. When clearances grow beyond the serviceable limit, an oversize piston — used in conjunction with a professionally re-honed cylinder bore — is the correct repair path to restore compression, smooth idle, and consistent compaction performance. Neglecting a worn piston leads to oil consumption, excessive blow-by, and eventually complete engine failure.
Part Details
| Part Number | 5000158357 |
|---|---|
| Old Part Number | 0158357 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston, Oversize 0.50 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Value Vibratory Plate, 11kN, 3 50mm/13.8in | VP1135R | 5000008709 |
| Value Vibratory Plate, 11 kN, 356mm/14in | VP1135RW | 5000009251, 5000009512 |
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.
