The Multiquip 1624136930 Valve Seat D905-Ebg2 is a genuine OEM component designed for DLW400ES, DLW400ESA, and DLW400ESA1 series diesel light welders. As a direct OEM replacement, this part is sourced to the same specification as the original, ensuring correct sealing geometry and material integrity for the D905 engine. Choosing the correct valve seat is critical to maintaining compression and combustion efficiency in your DLW400ES — an imprecise or worn seat leads to compression loss and reduced output. Order with confidence knowing this is the exact part called out for your machine.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the precise hardness and seating angle required by the D905-Ebg2 engine, ensuring a gas-tight seal under operating compression.
- Direct Engine Match — Sized and profiled to drop into the D905-Ebg2 cylinder head without reworking or resizing the valve seat bore.
- Confirmed Fitment — Compatible with DLW400ES, DLW400ESA, and DLW400ESA1 Multiquip diesel light welders.
- Compression and Output Protection — A correctly seated valve maintains cylinder compression, preserving the welder's rated power output and fuel efficiency during operation.
- Long-Term Engine Health — OEM-grade seat material resists recession and wear over extended run cycles, reducing the frequency of top-end engine service.
A valve seat is the precision-machined ring pressed into the cylinder head that the engine's intake or exhaust valve closes against to form a combustion seal. It must maintain an exact contact surface with the valve face to hold compression during the power stroke and prevent combustion gases from escaping. When a valve seat wears, pits, or recesses, compression drops, the engine loses power, runs roughly, and fuel consumption increases — and in severe cases the valve itself can be damaged. Replacing a worn seat with the correct OEM part restores the sealing surface and brings the engine back to its proper operating condition.
For fitment questions or to confirm this part is correct for your serial number range, contact the DHS Equipment team directly.
Part Details
| Part Number | 1624136930 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Valve Seat D905-Ebg2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
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.
