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 meets the exact material and dimensional standards of the original part. Whether you are performing a routine service or addressing a leak, the ensures a correct, like-for-like replacement with no guesswork on fitment.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's original compound and cross-section specifications, ensuring consistent compression and sealing performance across the full operating pressure range of the system.
- Drop-In Replacement — Matches the original groove dimensions exactly, seating cleanly into the mating hardware without stretching, trimming, or adjustment.
- Broad BL744 Series Coverage — Confirmed fitment across the BL744ch, BL744h, BL744c, and BL744 EX Backhoe Loader variants, covering the core BL744 family.
- Leak Prevention Where It Counts — A worn or damaged O-Ring allows fluid to bypass the seal, leading to pressure loss, external leaks, and potential hydraulic or fluid system damage. A fresh OEM O-Ring restores the integrity of the sealed joint immediately.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM component, giving you confidence that the part matches the original design intent for the BL744 series machines.
An O-Ring is a circular elastomeric seal used to prevent fluid or air from passing between two mating surfaces or through a threaded connection. In equipment like backhoe loaders, O-Rings are found throughout hydraulic circuits, fluid fittings, and valve assemblies, where they compress between components to form a pressure-tight barrier. When an O-Ring degrades — through heat cycling, chemical exposure, or mechanical wear — it loses its ability to hold a seal, resulting in leaks, pressure drops, and potential damage to surrounding components if left unaddressed.
Part Details
| Part Number | 5100033574 |
|---|---|
| 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.