The Wacker Neuson O-Ring is a genuine OEM component designed for the BL744ch, BL744h, BL744c, and BL744 EX Backhoe Loaders. Sourced directly from Wacker Neuson, this O-Ring is manufactured to the exact material grade and dimensional tolerances of the original part. Using a genuine OEM replacement ensures a correct seal every time, protecting surrounding components and keeping fluid systems operating as intended.
Key Features
- OEM-Grade Seal Integrity — Manufactured to the precise compound hardness and cross-section dimensions specified by Wacker Neuson, delivering the same sealing performance as the part that left the factory.
- Drop-In Installation — Matches the original groove profile exactly, seating cleanly without stretching, pinching, or reworking the surrounding hardware.
- Confirmed Backhoe Loader Fitment — Verified for the BL744ch, BL744h, BL744c, and BL744 EX Backhoe Loader series, covering all four model variants.
- Leak Prevention Where It Counts — A correctly seated O-Ring maintains system pressure and prevents fluid loss; a degraded or wrong-sized ring can cause seal failure, contamination, and hydraulic or fluid system issues.
- Genuine Wacker Neuson Part — Part number 5100033402 is an authentic OEM component, giving you full confidence in traceability and fitment accuracy.
An O-Ring is a loop-shaped seal used to block the passage of fluids or gases at joints, connections, and component interfaces throughout the machine. When correctly installed and in good condition, it maintains pressure integrity and prevents leaks that can lead to fluid loss or contamination of adjacent systems. When an O-Ring hardens, cracks, or deforms with age or heat exposure, it loses its ability to seal effectively — leading to weeping joints, pressure drop, or accelerated wear on the components it was protecting.
Part Details
| Part Number | 5100033402 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
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.
