The Multiquip 0412021933 is a genuine OEM V-Belt Alternator SA6D170B1 designed for the DCA500SSK ultra-silent diesel generator. As a direct Multiquip OEM part, it is manufactured to the same standards as the original belt fitted at the factory, ensuring correct tension, length, and cross-section for the SA6D170B1 engine-to-alternator drive system. This belt is the right call when your DCA500SSK is due for scheduled belt service or showing signs of slipping, cracking, or glazing.
Key Features
- Genuine OEM Belt Integrity — Manufactured to the exact profile and compound specification of the original SA6D170B1 alternator drive belt, delivering consistent grip and flex life under continuous load.
- Correct Drive Geometry — Matched to the alternator pulley and crankshaft sheave dimensions of the DCA500SSK, so the belt seats fully in the groove without shimming or adjustment to pulley spacing.
- DCA500SSK Compatibility — Verified fitment for the Multiquip DCA500SSK ultra-silent generator series powered by the SA6D170B1 diesel engine.
- Sustained Alternator Output — A properly tensioned belt maintains full rotational transfer to the alternator, supporting stable voltage output during extended run cycles — critical for sensitive studio and broadcast power applications.
- Electrical System Safety — A worn or slipping alternator belt can cause voltage drop and battery drain under load; replacing on schedule protects connected equipment and prevents unplanned shutdowns during active use.
The alternator drive belt transfers rotational power from the engine's crankshaft pulley to the alternator, which charges the battery and supplies field current to keep the generator's electrical output stable. On a high-capacity unit like the DCA500SSK, the belt operates under sustained load and is subject to heat cycling, stretching, and surface wear over time. A belt that has glazed, cracked, or lost tension will slip under load, causing the alternator to underperform — which can result in voltage instability or a discharged battery that prevents a clean restart.
For fitment questions or help confirming this is the right belt for your DCA500SSK, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 0412021933 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | V-Belt Alternator SA6D170B1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA500SSK |
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.