The Wacker Neuson Key is a genuine OEM component designed for PTS4V centrifugal trash pumps and GPS/GS series portable generators, including the GPS9700, GPS8500, GS8.5V, and GS9.7V. As a factory-sourced part, the is manufactured to the same specification as the original, ensuring a correct fit in the shaft or switch assembly it was built for. This key services a broad range of Wacker Neuson pumps and generators, making it a practical stocking part for operators and service technicians who run multiple units on site.
Key Features
- Genuine OEM Specification: — Sourced directly from Wacker Neuson, this key is machined to exact dimensional tolerances — critical for proper torque transfer and positive engagement in the keyway it seats into.
- Drop-In Replacement: — Matches the original profile and seating depth, slotting directly into the keyway without any fitting or modification to the shaft or housing.
- Broad Fitment Across Two Equipment Families: — Confirmed fit for PTS4V trash pump variants and GPS9700, GPS8500, GS8.5V, and GS9.7V portable generators — one part that covers multiple machines.
- Prevents Power Loss and Shaft Damage: — A worn or missing key causes slippage between the shaft and driven component, leading to loss of output and accelerated wear on mating surfaces; replacing it promptly restores solid mechanical coupling.
- Small Part, Critical Function: — Often overlooked during routine service, a failed key can take an entire pump or generator out of operation; keeping a spare on hand means faster turnaround when it counts.
A key is a small, precisely dimensioned piece of metal that locks a rotating component — such as a pulley, impeller, or rotor — to a drive shaft, preventing the two from spinning independently of each other. It sits in matched slots (keyways) cut into both the shaft and the hub of the driven component, transmitting torque directly between them. When a key shears, deforms, or goes missing, the driven component can spin freely on the shaft, causing an immediate loss of pump flow or generator output and rapid wear to the keyway surfaces if the machine continues to run.
Part Details
| Part Number | 5000115490 |
|---|---|
| Old Part Number | 0115490 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683, 5000620971 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
| PTS4V(I) Pump | PTS4V(I) | 5000620972 |
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.
