The Wacker Neuson Decompression Pin A is a genuine OEM component designed for the RD11AEC and RD11A hydrostatic double drum vibratory rollers. As a direct factory replacement, this pin is sourced to the same specification as the original, ensuring a correct installation without guesswork. If you are servicing an RD11 series tandem roller, verifying the part number against your machine's serial number before ordering is always recommended.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the original specification, this pin maintains the precise geometry required for correct decompression mechanism engagement in the RD11 series engine.
- Direct Drop-In Replacement — Engineered to seat and secure exactly as the factory-installed component, integrating cleanly with the existing decompression assembly.
- Confirmed RD11 Series Fitment — Compatible with the RD11AEC and RD11A hydrostatic double drum vibratory rollers; always cross-reference your machine's serial number for fitment certainty.
- Protects Engine Starting Performance — A worn or missing decompression pin can make cold starting difficult and increase wear on the starter system; a correctly functioning pin ensures smooth, repeatable engine starts.
- Critical Fuel System Compliance — Proper decompression function is essential for safe, controlled engine operation; using a correctly specified OEM pin maintains the integrity of the starting and compression system.
The decompression pin works as part of the engine's decompression mechanism, which temporarily reduces cylinder compression during starting to allow the engine to crank over more easily. When the engine reaches sufficient speed, the mechanism releases and full compression is restored for normal combustion. If the pin is worn, damaged, or missing, the decompression system may fail to release correctly, leading to hard starting, excessive starter motor load, or an engine that will not turn over at all.
Part Details
| Part Number | 5000151758 |
|---|---|
| Old Part Number | 0151758 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Decompression Pin A |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
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.
