The Wacker Neuson Relief Valve Assembly is a genuine OEM component designed for the BL744 and BL742 series Backhoe Loaders, including the BL744ch, BL744h, BL742h, BL744c, and BL744 EX models. Sourced directly from Wacker Neuson, this assembly matches the original specification installed at the factory, ensuring a correct fit within the hydraulic circuit without the need for adaptation. Genuine OEM status means the carries the same quality and dimensional tolerances as the part it replaces, giving you confidence in both the installation and long-term performance of your machine's hydraulic system.
Key Features
- OEM-Calibrated Pressure Rating — Manufactured to the exact cracking pressure and flow rating of the original, maintaining correct hydraulic system relief thresholds throughout the circuit.
- Direct-Fit Replacement — Matches the original port threading and body dimensions of the BL744 and BL742 series hydraulic system, allowing straightforward installation with standard tooling.
- Broad BL Series Compatibility — Confirmed fitment across BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader variants.
- Protects Hydraulic System Integrity — A correctly functioning relief valve prevents over-pressurization that can damage pumps, cylinders, and hoses; a worn or stuck valve puts the entire hydraulic circuit at risk.
- Pressure-System Safety — Hydraulic relief valves are a critical safety component; using a genuine OEM-spec assembly ensures the system vents at the correct pressure point, protecting both the machine and the operator.
A relief valve assembly acts as the hydraulic system's pressure safety gate — it opens at a set pressure limit to divert excess fluid back to the tank, protecting pumps, actuators, and hoses from over-pressurization damage. On a backhoe loader like the BL744 or BL742 series, this valve plays a constant role during digging, lifting, and swing cycles where load-induced pressure spikes are common. When the valve sticks open, the system loses working pressure and the machine becomes sluggish or unresponsive; when it sticks closed or fails to open at the correct threshold, component damage and potential safety hazards follow quickly.
Part Details
| Part Number | 5100033755 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL742h Backhoe Loader | BL742h | 5100031802 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
| Backhoe Loader | BL742 EX | 5100031805 |
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.
