Multiquip KD1231810020 Stopper Pinion SAA6D125E-5 DCA300SSK4

The Multiquip KD1231810020 Stopper Pinion SAA6D125E-5 DCA300SSK4 is a genuine OEM component designed for the DCA-300SSK4 ultra-silent diesel generator equipped with the SAA6D125E-5 engine. This stopper pinion is sourced directly through Multiquip and is built to the exact tolerances required by the SAA6D125E-5 engine assembly. Ordering by part number KD1231810020 ensures you receive the correct OEM component for your DCA-300SSK4 unit, eliminating guesswork during the repair process. DHS Equipment stocks genuine Multiquip parts so your generator stays in service with the right component installed.

Key Features

• Genuine OEM Tooth Geometry — Manufactured to the exact pinion profile specified for the SAA6D125E-5 engine, ensuring correct mesh engagement and load transfer within the gear train.
• Engine-Specific Fitment — Engineered specifically for the SAA6D125E-5 powerplant found in the DCA-300SSK4, dropping in without the need for modification or adaptation of surrounding components.
• Confirmed Compatibility — Verified for use on the DCA-300SSK4 ultra-silent generator series, giving you confidence that this part is the correct part for this application.
• Maintains Gear Train Integrity — A correctly functioning stopper pinion keeps rotational motion properly controlled and indexed; a worn or failed pinion can cause irregular movement, noise, or loss of mechanical function in the engine assembly.
• Direct OEM Source — Supplied as a genuine Multiquip replacement, meaning material grade, hardness, and dimensional specs match the original part installed at the factory.

A stopper pinion is a precision gear component used within an engine's mechanical drive or timing-related sub-assembly to control, limit, or index rotational movement between mating components. In the SAA6D125E-5 engine, this pinion plays a role in ensuring that moving parts engage and stop at the correct positions, preventing over-travel or misalignment that could lead to mechanical wear or damage. When a stopper pinion becomes worn or broken, it can cause erratic operation, abnormal noise, or failure of the associated gear assembly — making timely replacement with a genuine OEM part critical to restoring proper engine function in the DCA-300SSK4.

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.