The Wacker Neuson Seal Ring is a genuine OEM Seal Ring designed for the BL744 and BL742 series Backhoe Loaders. Sourced directly from Wacker Neuson, this is the same part installed at the factory, so you can trust it meets every original material and dimensional specification for your machine. It is confirmed to fit the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders, making it a straightforward like-for-like replacement across the full BL700 series range. When you need a part that drops straight in without guesswork, ordering by the genuine OEM part number is the surest way to get it right the first time.
Key Features
- Genuine OEM Material Grade — Manufactured to Wacker Neuson's original compound and compression specifications, ensuring the seal ring seats and performs exactly as intended in hydraulic or mechanical interfaces.
- Direct Drop-In Replacement — Matched to the original bore and cross-section dimensions so it installs in place of the worn part without rework or adjustment to surrounding components.
- Broad BL700 Series Coverage — A single part number covers the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders, consolidating your parts sourcing across the entire model family.
- Leak-Free Sealing Performance — A correctly fitted seal ring prevents fluid ingress or egress at the joint, protecting internal components from contamination and maintaining system pressure where it belongs.
- Extended Service Life — OEM-grade elastomer resists deterioration from temperature cycling and fluid exposure, so the seal holds its integrity through demanding daily operation on site.
A seal ring creates a pressure-tight barrier between mating components — typically at a shaft, bore, or fluid passage — preventing hydraulic fluid, lubricant, or coolant from escaping the system. When a seal ring wears, hardens, or becomes damaged, the resulting leak can cause pressure loss, accelerated wear on surrounding parts, and contamination of nearby assemblies. Replacing a failed seal ring promptly with the correct OEM part restores the integrity of the system and protects the components it is designed to isolate.
Part Details
| Part Number | 5100033959 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal 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.