The Multiquip Y0602015621 CAC Reducer is a genuine OEM component designed for the DCA125SSIU4F and DCA70SSIU4F super-silent generator series. Sourced directly from Multiquip, this part meets the exact engineering specifications of the original component installed at the factory. It is confirmed for fitment across DCA125SSIU4F and DCA70SSIU4F units, giving you confidence that Y0602015621 will install correctly without modification. When your charge air cooler circuit needs attention, replacing worn or damaged components with genuine OEM parts keeps the system operating as intended.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original tolerances for the charge air cooling circuit, ensuring proper sealing and flow characteristics at the reducer connection point.
- Direct Drop-In Replacement — Part number Y0602015621 matches the original reducer geometry and connection sizing, allowing straightforward installation into the existing CAC plumbing.
- Confirmed Generator Fitment — Compatible with DCA125SSIU4F and DCA70SSIU4F super-silent generator models, covering both standard and Tier 4 Final configurations in the DCA ultra-silent series.
- Charge Air Cooling Integrity — A properly functioning CAC reducer maintains correct airflow transition between charge air cooler components; a cracked or leaking reducer reduces boost efficiency and can cause the engine to run hot or underperform under load.
- Verified Part Number — Ordering by Multiquip part number Y0602015621 eliminates fitment guesswork and ensures you receive the correct reducer for your specific generator configuration.
The CAC reducer — short for charge air cooler reducer — is a transition fitting within the turbocharged engine's intake air circuit. Its role is to connect sections of the charge air cooler plumbing where the duct diameter changes, maintaining a sealed, pressure-consistent path for compressed intake air as it moves from the turbocharger through the cooler and into the engine. When this component cracks, collapses, or loses its seal, boosted air escapes before reaching the combustion chamber, leading to reduced power output, increased fuel consumption, and elevated exhaust temperatures. Replacing a failed or deteriorating CAC reducer promptly restores proper charge air pressure and protects the engine from the thermal stress caused by running lean or at reduced boost.
Part Details
| Part Number | Y0602015621 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | CAC Reducer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSIU4F |
| Diesel Powered Generators | DCA70SSIU4F (60Hz) |
| Diesel Powered Generators | DCA70SSIU4F |
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.
