Multiquip 0601830448 Preheat Button

The Multiquip 0601830448 Preheat Button is a genuine OEM component designed for DCA-series ultra-silent and super-silent diesel generators, including the DCA-220SSK, DCA400SSK, DCA400SSK2, DCA800SSK, DCA800SSK2, DCA180SSK, DCA-300SSK, DCA600SSV, and DCA1100SSC. This is a direct OEM replacement sourced through Multiquip's authorized parts program, ensuring the correct fit and function for your generator's cold-start system. Confirm your model against the fitment list before ordering — this button is compatible across a wide range of DCA super-silent generator variants.

Key Features

• Genuine OEM Cold-Start Component — Exact Multiquip-sourced part engineered to deliver the correct electrical signal to the glow plug circuit, ensuring proper preheat activation on cold starts.
• Direct Panel-Mount Replacement — Designed to drop into the existing control panel cutout with the correct switch body dimensions and connector interface for DCA-series generators.
• Broad DCA-Series Fitment — Compatible with DCA-220SSK, DCA400SSK, DCA400SSK2, DCA800SSK, DCA800SSK2, DCA180SSK, DCA-300SSK, DCA-300SSK2, DCA-300SSK3, DCA600SSV, and DCA1100SSC models.
• Restores Reliable Cold-Start Performance — A faulty preheat button prevents the engine from reaching proper glow plug temperature before cranking, leading to hard starts, excessive cranking, and premature starter wear.
• Electrical Safety Compliance — As a control panel electrical component, using the correct OEM-spec button maintains the integrity of the preheat circuit and prevents unintended electrical behavior during startup sequences.

The preheat button activates the glow plug circuit in a diesel engine, allowing the combustion chamber to reach the temperature needed for reliable ignition before the starter is engaged. On cold mornings or after extended storage, this step is critical — without sufficient preheat, diesel engines crank hard, start rough, or fail to start altogether, placing strain on the starter motor and battery. When the preheat button fails — whether through a broken switch body, faulty contacts, or a non-functioning trigger — the operator loses the ability to initiate this warm-up cycle, making cold-start operation unreliable on DCA-series super-silent generators.

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.

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.