The Multiquip 1586242502 Pipe Overflow Assembly D722 is a genuine OEM component designed for DLW300ES series diesel light welder equipment. Sourced directly through Multiquip's authorized parts network, this assembly ensures an exact match to the original specification installed at the factory. It is confirmed compatible with DLW300ES, DLW300ESA, and DLW300ESA1 models, making it a straightforward replacement for technicians servicing these machines.
Key Features
- Genuine OEM Construction — Manufactured to the same material and dimensional standards as the original D722 engine overflow pipe assembly, ensuring correct fluid routing and secure sealing at all connection points.
- Direct Drop-In Replacement — Matches the original mounting configuration and pipe geometry of the DLW300ES series, allowing straightforward installation without reworking surrounding components.
- Confirmed Fitment — Compatible with DLW300ES, DLW300ESA, and DLW300ESA1 Multiquip diesel light welders equipped with the D722 engine.
- Maintains Proper Coolant Overflow Management — A correctly functioning overflow assembly keeps the cooling circuit operating within its designed pressure range, protecting the D722 engine from heat-related damage during extended welding operations.
- Fuel and Fluid System Integrity — Using the correct OEM assembly prevents improper venting or leaks that could introduce coolant loss, which left unaddressed can lead to overheating and unplanned machine downtime.
The overflow pipe assembly manages the controlled discharge of excess coolant from the engine cooling system. When coolant expands beyond normal operating pressure, this assembly channels the overflow safely away from heat-sensitive components and back toward the reservoir. A cracked, blocked, or improperly fitted overflow pipe can cause coolant loss, erratic temperature readings, and eventual engine overheating — making timely replacement of a worn assembly critical to keeping the D722-powered welder running safely through long duty cycles.
DHS Equipment is an authorized Multiquip parts dealer. If you need help confirming this part fits your specific serial number or configuration, contact our parts team before ordering.
Part Details
| Part Number | 1586242502 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pipe Overflow Assembly D722 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
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.
