The Wacker Neuson is a genuine OEM Inlet Rocker Arm designed for a wide range of Wacker Neuson equipment, including PT2 and PT3 centrifugal trash pumps, VP and WP series single-direction vibratory plate compactors, and the CT36-6 walk-behind concrete power trowel. As a direct OEM replacement, part is manufactured to the same specifications as the original component, ensuring a correct fit within the engine valve train. This part covers an extensive compatibility range across multiple Wacker Neuson product families, making it a reliable choice for fleet operators and service technicians managing mixed equipment. Always verify your model and machine number before ordering to confirm fitment.
Key Features
- Genuine OEM Valve Train Precision — Manufactured to original tolerances for correct rocker arm geometry, ensuring proper valve actuation and consistent engine performance.
- Drop-In Engine Compatibility — Matches the original mounting position and pivot interface, allowing straightforward installation without modification to the rocker assembly or valve cover.
- Broad Fitment Across Multiple Families — Compatible with PT2 and PT3 trash pumps, VP1340, VP1550, VP2050, WP1540W, WP1550W, WP2050W vibratory plates, and CT36-6 concrete trowels.
- Restores Correct Valve Timing — A worn or damaged inlet rocker arm causes improper valve lift, leading to rough running, loss of power, and hard starting — replacing it restores proper engine operation.
- Fuel System Integrity — Proper inlet valve actuation is critical to correct air-fuel mixture entry; a failed rocker arm can cause fuel-rich running and increased emissions, making timely replacement important for compliant operation.
The inlet rocker arm is a pivoting lever in the engine's valve train that transfers motion from the camshaft — via the pushrod — to open and close the intake valve at the correct moment in the combustion cycle. It acts as a mechanical link that amplifies and redirects camshaft lobe movement to lift the valve against spring pressure, allowing the air-fuel charge to enter the cylinder. When the rocker arm is worn, cracked, or damaged at the contact surfaces, valve lift becomes inconsistent, resulting in rough idle, reduced power output, excessive fuel consumption, and potential engine damage if left unaddressed.
Part Details
| Part Number | 5000156488 |
|---|---|
| Old Part Number | 0156488 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inlet Rocker Arm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| VP1340W VIBROPLATE | VP1340W | 5000008706, 5000630051 |
| VP1550W VIBROPLATE | VP1550W | 5000008708, 5000630013, 5000630053 |
| VP1340 Single Direction Vibratory Plate | VP1340 | 5000008705, 5000630050 |
| VP1550 VIBROPLATE | VP1550 | 5000008707, 5000630052 |
| WP 1540W | WP1540W | 5000630018 |
| WP 1550W | WP1550W | 5000630020 |
| WP 2050W | WP2050W | 5000630023 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| VP2050W VIBROPLATE | VP2050W | 5000009537 |
| 500mm/50in, 20kN Value Vibrato ry Plate | VP2050 | 5000009530 |
| Single Direction Plates | VP1340W-L | 5000630001 |
| Single Direction Plates | VP1340W-LL | 5000630002 |
| Single Direction Plates | VP1340W-LF | 5000630003 |
| Single Direction Plate | WP1550Ww | 5000630113 |
| Single Direction Plate | WP2050Ww | 5000630116 |
| VP1340W VIBROPLATE, W/WHEEL KIT | VP1340W w/WH | 5000630121 |
| Single Direction Plate | WP1540Ww | 5000630111 |
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.
