The Wacker Neuson O-Ring is a genuine OEM component designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader series. As a direct factory part, it meets the exact material and dimensional standards specified for these machines. This O-Ring is the correct replacement for maintaining sealed connections throughout the hydraulic and fluid systems on BL744 and BL742 series loaders.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's exact compound and durometer specifications, ensuring correct compression and resistance to hydraulic fluid degradation.
- Drop-In Replacement — Matches the original groove dimensions exactly, seating cleanly without trimming or stretching during installation.
- Broad BL Series Fitment — Confirmed for BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders, covering the full range of these compact loader families.
- Leak-Free System Integrity — A correctly seated O-Ring maintains fluid pressure in hydraulic circuits; a worn or cracked seal allows fluid loss that degrades lift and steering response.
- Sourced Direct from Wacker Neuson — Genuine OEM designation means this part is identical to what was installed at the factory, with no substitutions in material or profile.
An O-Ring is a circular elastomeric seal used to prevent fluid or gas from passing between joined components — such as hydraulic fittings, valve bodies, or cylinder ports. When properly seated in its groove, it forms a pressure-tight barrier that keeps fluid circuits working at full efficiency. Over time, O-Rings can harden, crack, or deform under heat and pressure cycles, leading to leaks that reduce hydraulic performance and can cause further damage if left unaddressed.
Part Details
| Part Number | 5100032648 |
|---|---|
| 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 |
| 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.