The Multiquip 1605021913 is a genuine OEM Piston V1305-E2B DLW400ES/CV designed for the DLW400ES series diesel light welder. Sourced directly through Multiquip's authorized parts network, this piston is manufactured to the same specification as the original component installed at the factory. It is confirmed for compatibility with DLW400ES, DLW400ESA, and DLW400ESA1 units. When it comes to internal engine components, using a genuine OEM part ensures the dimensional accuracy and material grade your engine depends on.
Key Features
- Genuine OEM Engine Tolerances — Manufactured to the precise bore diameter and ring-land geometry required by the V1305-E2B engine, ensuring correct compression and combustion performance.
- Direct-Fit Replacement — Matches the original piston profile and pin bore configuration, allowing straightforward installation without machining or adaptation.
- Confirmed DLW400ES Series Fitment — Verified for DLW400ES, DLW400ESA, and DLW400ESA1 diesel light welder models.
- Sustained Engine Output — A correctly fitted piston maintains cylinder compression, which is critical to the welder's ability to deliver stable arc output and consistent power generation under load.
- Combustion Integrity — A worn or damaged piston causes compression loss, oil consumption, and uneven engine performance — replacing it with an OEM-spec component restores full engine integrity.
The piston is the primary reciprocating component inside the engine cylinder. It compresses the air-fuel mixture on the compression stroke and transfers combustion energy to the crankshaft via the connecting rod, which ultimately drives the alternator to produce welding and generating power. When a piston wears or becomes damaged — through scoring, ring failure, or heat damage — compression drops, fuel efficiency degrades, and the engine loses the power needed to sustain stable welding output. Replacing it with a genuine OEM piston restores the tight cylinder seal and mechanical efficiency the engine was engineered to deliver.
Part Details
| Part Number | 1605021913 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston V1305-E2B DLW400ES/CV |
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.