The Multiquip M1327200004 is a genuine OEM Blow-By Hose designed for DCA20SPXU4F and DCA25SSIU4F series ultra-silent and super-silent diesel generators. As a direct OEM replacement, this hose is produced to the same specifications as the original component, ensuring a correct fit within the engine's crankcase ventilation circuit. Verified fitment covers DCA20SPXU4F, DCA25SSIU4F, and DCA25SSIU4FC8 generator models. Sourced directly through authorized Multiquip distribution, DHS Equipment supplies this part with full confidence in its authenticity.
Key Features
- Genuine OEM Construction — Manufactured to original Multiquip material and dimensional standards, ensuring the hose maintains correct crankcase pressure routing without cracking or collapsing under engine heat cycles.
- Drop-In Replacement — Matches original routing paths and connection points on DCA-series generator engines, allowing straightforward installation without fabrication or adaptation.
- Confirmed Generator Fitment — Compatible with DCA20SPXU4F, DCA25SSIU4F, and DCA25SSIU4FC8 ultra-silent and super-silent diesel generator models.
- Protects Engine Longevity — A properly functioning blow-by hose keeps crankcase pressure regulated; a failed or cracked hose allows oil mist and combustion gases to escape into areas where they cause accelerated wear and contamination.
- Emissions System Integrity — On Tier 4 and ultra-silent generator platforms, a correctly seated blow-by hose is essential to maintaining proper closed crankcase ventilation function and meeting emissions design intent.
A blow-by hose is part of the engine's crankcase ventilation system, responsible for routing combustion gases and oil vapor that escape past the piston rings — known as blow-by — back into the intake system rather than venting them to atmosphere. This keeps the engine operating cleanly, prevents pressure buildup inside the crankcase, and protects seals and gaskets from being pushed out by excess internal pressure. When this hose cracks, hardens, or disconnects, the engine may develop oil leaks, increased oil consumption, or visible smoke from the engine bay, signaling that the crankcase ventilation path has been compromised.
Part Details
| Part Number | M1327200004 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Blow-By Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA20SPXU4F |
| Diesel Powered Generators | DCA25SSIU4F |
| Diesel Powered Generators | DCA25SSIU4FC8 |
| Diesel Powered Generators | DCA25SSIU4FC8 60Hz |
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.
