The Wacker Neuson Starter Cup is a genuine OEM component designed for the GS8.5V and GPS8500 portable generators and the PTS4V 100mm/4-inch centrifugal trash pump series. As a direct factory replacement, this starter cup restores the recoil pull-start system to proper operating condition, ensuring your equipment fires up reliably on the jobsite. Confirmed fitment covers GS8.5V, GPS8500, and PTS4V models, making this a versatile service part across two of Wacker Neuson's most widely used equipment families.
Key Features
- Genuine OEM Engagement Surface: — Manufactured to the exact profile and material spec of the original, ensuring the starter cup engages and releases the crankshaft hub cleanly with every pull.
- Drop-In Replacement: — Mounts directly to the existing recoil starter assembly with the same bolt pattern and hub dimensions as the factory part.
- Broad Fitment Across Two Equipment Families: — Fits GS8.5V and GPS8500 portable generators as well as PTS4V 100mm/4-inch centrifugal trash pumps.
- Restores Dependable Cold-Start Performance: — A worn or cracked starter cup causes the recoil cord to slip or fail to catch, preventing the engine from starting. Replacing it brings the pull-start system back to full function.
- Start-System Safety Integrity: — A damaged starter cup can cause sudden cord kickback or loss of recoil control. Using the correct OEM replacement maintains safe, predictable starting behavior.
The starter cup is the rotating hub component that connects the recoil pull-start mechanism to the engine crankshaft. When you pull the starter cord, the cup's internal dogs or pawls extend to grip the crankshaft and crank the engine over; once the engine fires, they retract automatically so the cup spins free. Over time, the cup can crack, wear at the engagement points, or deform from repeated use, causing hard starting, cord recoil failure, or a complete inability to turn the engine over. Replacing it with a correctly spec'd part like the Wacker Neuson 5000116507 restores full starting function and protects the rest of the recoil assembly from secondary wear.
Part Details
| Part Number | 5000116507 |
|---|---|
| Old Part Number | 0116507 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter Cup |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
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.