The Multiquip RE551521 Adapter Fitting is a genuine OEM component designed for the DCA220SSJU4F ultra-silent diesel generator. Sourced directly from Multiquip, this part meets the exact specifications of the original, ensuring a correct, secure connection within the fluid or fuel routing system. If you are servicing a DCA220SSJU4F unit, verifying this part number against your machine's parts manual will confirm an accurate match before ordering.
Key Features
- Genuine OEM Construction — Manufactured to the original material and dimensional specifications required for proper sealing and flow characteristics in the DCA220SSJU4F system.
- Direct-Fit Installation — Engineered to thread or seat into the existing port without modification, maintaining the integrity of the original fluid circuit.
- Confirmed Fitment — Validated for use on the DCA220SSJU4F Tier 4 ultra-silent generator series.
- Leak-Free System Integrity — A correctly seated adapter fitting maintains pressure and flow within the connected circuit; a damaged or improperly sized fitting can result in leaks, pressure loss, or fluid contamination.
- Fuel and Fluid System Safety — As a fitting within a diesel generator's fluid circuit, using the correct OEM-spec component helps prevent fuel or coolant leaks that could pose a fire or operational hazard.
An adapter fitting serves as a transition connector between two lines, ports, or components within a machine's fluid circuit — such as a fuel, coolant, or hydraulic line. It allows pipes or hoses of differing thread types, sizes, or orientations to join securely without leakage. When a fitting becomes cracked, corroded, or stripped, it can cause fluid loss, pressure drops, or contamination that disrupts generator operation. Replacing a worn or damaged fitting promptly with the correct OEM part restores a sealed, pressure-rated connection and keeps the fluid system functioning as intended.
For fitment questions or to confirm this part is correct for your DCA220SSJU4F generator, contact the DHS Equipment team before ordering.
Part Details
| Part Number | RE551521 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Adapter Fitting |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA220SSJU4F | DCA220SSJU4F |
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.