Multiquip 0412121748 V-Belt Set of 2 SA12V140 DCA-800SSK

The Multiquip 0412121748 is a genuine OEM V-Belt (Set of 2) SA12V140 designed for the DCA800SSK ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this belt set is matched to the exact cross-section, length, and tension profile required by the DCA800SSK drive system. Keeping both belts replaced as a matched set ensures balanced load transfer and consistent performance across the full operating range of the generator.

Key Features

• OEM Belt Specification — Each belt in this two-piece set is manufactured to the exact SA12V140 profile, ensuring the correct cross-section geometry and tensile rating for the DCA800SSK drive train.
• Matched Set Replacement — Supplied as a set of two so both drive belts are replaced simultaneously, maintaining even load distribution and preventing uneven wear between belts.
• Direct Fit for DCA800SSK — Engineered specifically for the Multiquip DCA800SSK ultra-silent diesel generator; installs directly onto existing pulleys with no modification to mounting hardware or tensioner brackets.
• Sustained Power Transfer — A correctly tensioned belt set maintains efficient mechanical power transfer from the engine to the alternator, supporting stable voltage output and full generator capacity under load.
• Genuine OEM Assurance — Backed by Multiquip as a genuine OEM part, this belt set meets the same material and dimensional standards as the components installed during original manufacture of the DCA800SSK.

V-belts transfer rotational power from the engine's drive pulley to the alternator on the DCA800SSK generator. Without properly tensioned, correctly sized belts, the alternator cannot maintain consistent output — resulting in voltage fluctuation, reduced power capacity, or complete loss of generation under load. Worn or cracked belts can slip under heavy electrical demand or fail without warning, making routine inspection and timely replacement critical to keeping the generator producing stable, reliable power on site.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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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.