The Multiquip Y0377100400 SCR Coolant Line is a genuine OEM component designed for the DCA125SSIU4F ultra-silent diesel generator. As an OEM part, it is manufactured to the exact specifications of the original, ensuring a correct fit within the selective catalytic reduction cooling circuit on DCA125SSIU4F units. Sourced directly through authorized Multiquip channels, this part is the straightforward choice for technicians completing emissions system service or cooling circuit repairs on this generator family.
Key Features
- Genuine OEM Construction — Manufactured to the original design specification, so material grade, diameter, and connection geometry match the cooling circuit exactly as engineered for this generator.
- Direct-Fit Replacement — Engineered to connect to the existing SCR system fittings on the DCA125SSIU4F without modification to hose ends, brackets, or routing.
- Confirmed Fitment — Verified for use on the Multiquip DCA125SSIU4F ultra-silent Isuzu Tier 4 Final diesel generator.
- Maintains SCR System Efficiency — A correctly routed coolant line keeps the selective catalytic reduction system at operating temperature; a cracked or degraded line disrupts thermal management and can trigger fault codes or emissions non-compliance.
- Emissions System Compliance — This line is part of the Tier 4 Final aftertreatment circuit; using the OEM part helps preserve proper SCR function and emissions system integrity on regulated equipment.
The SCR coolant line routes engine coolant through the selective catalytic reduction aftertreatment system, keeping critical components within the temperature range needed for efficient diesel exhaust fluid (DEF) conversion and emissions control. Without adequate coolant flow through this circuit, the SCR system can underperform, leading to elevated NOx output, fault codes, and potential derate conditions that limit generator output. Replacing a worn, cracked, or leaking line promptly keeps the aftertreatment system functioning as designed and the generator operating within its Tier 4 Final emissions rating.
DHS Equipment supplies genuine Multiquip OEM parts with part number accuracy you can count on. If you need help confirming this is the right part for your DCA125SSIU4F, contact our parts team for assistance.
Part Details
| Part Number | Y0377100400 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | SCR Coolant Line |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSIU4F |
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.
