The Multiquip 1136420590 Fan Spacer DCA70USI 4BG1 is a genuine OEM component designed for the DCA70USI ultra-silent diesel generator series. Sourced directly from Multiquip, this spacer delivers the exact fit and dimensional tolerancing required to keep the cooling fan properly positioned within the generator's engine assembly. Correct spacing is critical to maintaining airflow efficiency and protecting the 4BG1 engine from heat-related stress during sustained operation. When you need a part that installs correctly the first time, this OEM replacement is the right choice for DCA70USI service and maintenance.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to Multiquip's exact tolerances for the 4BG1 engine, ensuring the fan maintains its correct axial position within the cooling assembly.
- Direct Drop-In Replacement — Matches the original mounting configuration of the DCA70USI fan system, allowing straightforward installation without modification to adjacent components.
- Built for the DCA70USI Series — Specifically engineered for the DCA70USI ultra-silent diesel generator, confirming compatibility without guesswork on heavily relied-upon jobsite power equipment.
- Cooling System Integrity — A correctly dimensioned spacer holds fan blade clearance within spec, supporting consistent airflow across the engine and preventing overheating during extended load cycles.
- Critical Alignment for Rotating Components — Fan spacers in high-cycle generator applications are subject to constant vibration; using the genuine OEM part maintains proper rotating assembly balance and reduces wear on surrounding components.
A fan spacer positions the cooling fan at the correct distance from the engine's drive hub, establishing the precise blade clearance needed for efficient airflow across the engine. When the spacer is worn, damaged, or dimensionally incorrect, the fan can run out of alignment — reducing cooling effectiveness, increasing vibration, and accelerating wear on the fan blades, hub, and adjacent bearings. In a diesel generator like the DCA70USI, where sustained runtime under load is the norm, maintaining correct fan spacing is an essential part of keeping the engine operating within its thermal limits.
Part Details
| Part Number | 1136420590 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fan Spacer DCA70USI 4BG1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA70USI |
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.