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. Sourced directly from Wacker Neuson, this O-Ring meets the exact material and dimensional standards specified for these machines. Choosing a genuine OEM part means the seal profile, compound grade, and compression characteristics match the original design — ensuring a proper seal from the moment it's installed. If you're performing routine maintenance or addressing a leak, the is the correct replacement to restore your machine to proper working condition.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact compound and dimensional specifications, so the O-Ring seals under the same pressure and temperature conditions as the original.
- Drop-In Replacement — Matches the original groove dimensions and cross-section for straightforward installation without modification to the sealing surface or housing.
- Broad BL-Series Backhoe Loader Compatibility — Confirmed fitment across the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader models.
- Leak Prevention — A correctly seated O-Ring maintains fluid containment in hydraulic or fluid circuits; a worn or flattened seal leads to fluid weeping, pressure loss, and accelerated component wear.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5100032452, cross-referenced to the models listed above.
An O-Ring is a circular elastomeric seal fitted into a machined groove to prevent fluid or gas from passing between two mating surfaces or along a shaft. In hydraulic and fluid systems on backhoe loaders, O-Rings maintain pressure integrity and keep contaminants out of sensitive assemblies. When an O-Ring ages, hardens, or becomes compressed beyond its working range, it loses its ability to conform to the sealing surface — leading to leaks, pressure drop, and potential damage to surrounding components if left unaddressed.
Part Details
| Part Number | 5100032452 |
|---|---|
| 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.