The Wacker Neuson Tensioner Spring is a genuine OEM component designed for the Mechanical Quick Coupler (55mm). As a factory-sourced part, it meets the exact specifications required to keep the coupler mechanism functioning as intended. This tensioner spring is a direct replacement for the original, ensuring the quick coupler assembly operates with the correct tension and engagement every time.
Key Features
- OEM Spring Rate Accuracy — Manufactured to the original tension specification, so the coupler engages and releases with the correct mechanical resistance — not too stiff, not too slack.
- Direct Replacement for Mechanical Quick Coupler (55mm) — Engineered to drop into the existing coupler assembly without alteration, maintaining the original component geometry.
- Verified Fitment — Confirmed for the Wacker Neuson Mechanical Quick Coupler (55mm), part 5000177367.
- Maintains Secure Attachment Engagement — A correctly tensioned spring holds the coupler locking mechanism firmly in position under load, preventing unintended release during operation.
- Genuine OEM Sourcing — Supplied direct from Wacker Neuson's parts inventory, ensuring material grade and coil dimensions match the original production part exactly.
The tensioner spring in a mechanical quick coupler provides the constant return force that keeps the locking pin or latch engaged during normal operation. It ensures the coupler automatically returns to its locked state and maintains positive contact between the attachment and the carrier. When the spring weakens, loses its set, or breaks, the coupler may fail to latch securely — creating an unsafe condition and preventing reliable attachment changes on site.
Part Details
| Part Number | 5000178431 |
|---|---|
| Old Part Number | 0178431 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tensioner Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Quick coupler | Mechanical Quick Coupler(55mm) | 5000177367 |
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.