The Wacker Neuson Seal Washer is a genuine OEM seal washer designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader series. As a factory-sourced component, the is manufactured to the same standards as the original part fitted at the time of assembly, ensuring a consistent, correct installation every time. This seal washer is a direct OEM replacement, verified across the full BL700-series backhoe loader range for complete confidence in fitment accuracy.
Key Features
- OEM-Grade Sealing Material — Manufactured to the original compression and material specification, ensuring the seal washer seats correctly and maintains a leak-free joint under operating pressure.
- Drop-In Installation — Dimensionally identical to the original, this seal washer installs directly in place of the factory part with no reworking of the mating surfaces required.
- Broad BL700-Series Coverage — Confirmed fitment across the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders from Wacker Neuson.
- Prevents Fluid Loss at the Joint — A correctly functioning seal washer stops hydraulic fluid or coolant from weeping past fastened connections; a worn or damaged washer leads to external leaks and fluid contamination.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, so you receive the exact component specified for your machine — not a generic substitute.
A seal washer is a thin, deformable sealing element fitted under a bolt or fitting to create a fluid-tight joint between two surfaces. When tightened, the washer compresses slightly against the mating surface and closes off any micro-gaps that would otherwise allow hydraulic fluid, oil, or coolant to escape. Over time, heat cycling and repeated torquing can degrade the sealing material, causing the washer to harden, crack, or lose its ability to compress — resulting in visible leaks, pressure loss, and potential damage to surrounding components if left unaddressed. Replacing a worn seal washer promptly with the correct OEM part restores the integrity of the joint and protects the broader hydraulic or fluid system from further issues.
Part Details
| Part Number | 5100032838 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Washer |
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.