The Wacker Neuson Exhaust Valve Seat is a genuine OEM exhaust valve seat designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loaders. As a direct OEM replacement sourced through Wacker Neuson's authorized parts chain, delivers the exact material specification and dimensional tolerancing the factory originally installed. This part fits across the full BL742 and BL744 backhoe loader series, making it the correct choice whether you're servicing a BL744ch or any of its close variants. Verify your model number before ordering to confirm compatibility with your specific machine configuration.
Key Features
- Hardened Seat Material: — Genuine OEM metallurgy ensures the seating surface maintains the correct hardness to withstand repetitive valve impact and high exhaust temperatures without premature wear.
- Exact Dimensional Fit: — Manufactured to OEM dimensions so the seat presses into the cylinder head bore correctly, eliminating the need for recutting or shimming during installation.
- Broad BL Series Compatibility: — Confirmed fitment across BL742h, BL744h, BL744ch, BL744c, BL744 EX, and BL742 EX Backhoe Loader models from Wacker Neuson.
- Restores Combustion Sealing: — A correctly seated exhaust valve seat maintains the gas-tight seal needed for full compression, restoring engine power output and fuel efficiency after wear or damage.
- Genuine OEM Part: — Supplied as an authentic Wacker Neuson component, part number 5100034104, meeting the same specification as the original production part for consistent, long-service performance.
The exhaust valve seat is a precision-machined ring pressed into the cylinder head that provides a hardened mating surface for the exhaust valve to close against. Every time the exhaust valve shuts, it strikes this seat to form a gas-tight seal that holds combustion pressure inside the cylinder. When the seat wears, erodes, or becomes damaged, the valve can no longer seal properly — leading to compression loss, rough running, reduced power, and increased exhaust temperatures. Replacing a worn exhaust valve seat restores the sealing surface and brings engine performance back to specification.
Part Details
| Part Number | 5100034104 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve Seat |
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.
Wacker Neuson