The Multiquip 1721512310 Exhaust Manifold is a genuine OEM component designed for DLW400ES, DLW400ESA, and DLW400ESA1 series diesel light welder units. As a direct OEM replacement, this manifold meets the exact specifications set for the DLW400ES platform, ensuring a correct, trouble-free installation. Sourced through Multiquip's authorized parts network, 1721512310 is the right part for operators who need to restore their machine to full working condition without guesswork.
Key Features
- Genuine OEM Construction — Cast and finished to the same tolerances as the original, maintaining the exhaust sealing integrity critical for diesel welder engine longevity.
- Direct-Fit Replacement — Matches the original bolt pattern and port configuration of the DLW400ES series engine, connecting directly to the factory exhaust system without modification.
- Confirmed Fitment — Verified for DLW400ES, DLW400ESA, and DLW400ESA1 Multiquip diesel light welder models.
- Sustained Engine Performance — A properly sealed exhaust manifold keeps combustion gases flowing efficiently out of the engine; a cracked or warped manifold causes power loss, rough running, and accelerated wear on surrounding components.
- Emissions and Safety Compliance — Correct exhaust routing prevents hot gas leaks that can pose burn hazards and may affect compliance with emissions requirements on active job sites.
The exhaust manifold collects spent combustion gases from the engine's cylinder head and channels them into the exhaust system, directing heat and fumes safely away from the engine and operator. On a diesel light welder like the DLW400ES series, a well-sealing manifold is essential for maintaining consistent engine output during welding operations — any leak at the manifold face disrupts back-pressure balance and can cause the engine to run rough or lose power under load. When the manifold cracks, warps, or develops a gasket failure, operators typically notice exhaust odor in the work area, a ticking noise at startup, or a noticeable drop in engine responsiveness.
Part Details
| Part Number | 1721512310 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Manifold |
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.
