The Multiquip 6670654510 Muffler BLW-400 is a genuine OEM component designed for BLW-400 series equipment. Sourced directly from Multiquip, this muffler meets the exact specifications of the original part, ensuring a correct, trouble-free installation. If your BLW-400 is running loud, showing exhaust leaks, or the existing muffler has corroded or cracked, this is the direct replacement you need. DHS Equipment stocks this part so you can get your machine back in service without delay.
Key Features
- Genuine OEM Exhaust Integrity — Manufactured to the same material grade and dimensional spec as the original, ensuring proper exhaust flow and backpressure for the BLW-400 engine.
- Direct-Swap Installation — Mounts to the existing exhaust port and hardware positions on the BLW-400, requiring no modifications to bracketry or hardware.
- BLW-400 Fitment Confirmed — Engineered specifically for the BLW-400, so there is no guesswork on compatibility.
- Sustained Engine Performance — A correctly sealed muffler maintains proper exhaust scavenging, supporting consistent engine output and fuel efficiency across the machine's operating range.
- Exhaust Safety Compliance — Properly routes and contains hot exhaust gases away from the operator and surrounding components, reducing the risk of burns or heat damage to adjacent parts.
The muffler is responsible for receiving hot exhaust gases from the engine's exhaust port and reducing the acoustic energy produced during combustion before those gases exit the machine. Beyond noise control, it plays a direct role in maintaining correct exhaust backpressure, which affects engine efficiency and power output. When a muffler cracks, corrodes, or develops a breach, exhaust gases can escape at unintended points, increasing noise levels significantly, exposing nearby components and operators to heat, and degrading engine performance over time.
Part Details
| Part Number | 6670654510 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Muffler BLW-400 |
Compatibility & Fitment
| Name | Model |
|---|---|
| BLW-400 | BLW-400 |
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.
