The Wacker Neuson Return Spring is a genuine OEM component designed for the BH55, BH65, and BH40 series hydraulic breakers. Sourced directly from Wacker Neuson, this return spring meets the same specifications as the part originally installed at the factory, ensuring a direct, hassle-free replacement. Compatibility spans a wide range of BH-series breaker configurations, including BH55rw, BH55rw rs, BH65, BH40, BH40rs, and ND-40-I(BH23) models across multiple tool diameters and stroke lengths.
Key Features
- Genuine OEM Spring Tension Integrity — Manufactured to the exact load and return force specifications required by BH-series breakers, maintaining consistent cycling performance across the tool's operating range.
- Direct Drop-In Replacement — Engineered to seat and retain in the same position as the original, with no rework or modification needed during installation.
- Broad BH-Series Compatibility — Fits BH40, BH40rs, BH55, BH55rw, BH55rw rs, BH65, and ND-40-I(BH23) breakers across multiple tool shank sizes including 25x108, 27x80, 28x160, and 32x160 configurations.
- Consistent Piston Return Stroke — A properly functioning return spring ensures the breaker piston resets cleanly after each blow, sustaining optimal impact rate and protecting internal components from irregular cycling.
- Genuine Wacker Neuson Part — Carries the full backing of Wacker Neuson's OEM supply chain, so you can be confident in part authenticity and correct fitment when part number 5100043288 is verified against your machine's serial plate.
The return spring in a hydraulic breaker is responsible for resetting the piston to its starting position after each impact stroke, allowing the tool to cycle repeatedly at the correct rate. Without a properly functioning return spring, the breaker may lose striking frequency, produce weak or inconsistent blows, or fail to cycle altogether — reducing chisel penetration and placing additional stress on the hydraulic circuit. Replacing a worn or broken return spring promptly restores the breaker's full impact energy and protects surrounding internal components from the damage caused by erratic piston movement.
Part Details
| Part Number | 5100043288 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Return Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BH65 28x160 | BH65 28x160 | 5100047068, 5100051587 |
| BH65 32x160 | BH65 32x160 | 5100047069 |
| BH55rw 27x80 | BH55rw 27x80 | 5100047100 |
| BH55rw 28x160 | BH55rw 28x160 | 5100047101 |
| BH55rw 32x160 | BH55rw 32x160 | 5100047102 |
| BH55rw rs 27x80 | BH55rw rs 27x80 | 5100047103 |
| BH65 27X80 | BH65 27x80 | 5100047106 |
| BH65 25x108 | BH65 25x108 | 5100047107 |
| BH55 27x80 | BH55 27x80 | 5100047063 |
| BH55 25x108 | BH55 25x108 | 5100047104 |
| BH55 28x160 | BH55 28x160 | 5100047105 |
| BH40 | BH40 27x80 | 5100047309 |
| BH40rs | BH40rs 27x80 o. bsz | 5100048665 |
| ND-40-I(BH23) | ND-40-I(BH23) | 5100060159 |
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.
