Multiquip 8941339371 Gear with Bush Idler DCA-40SSAI 4BD1

The Multiquip 8941339371 is a genuine OEM Gear with Bush Idler DCA-40SSAI 4BD1 designed for the DCA40SSAI ultra-silent diesel generator. Sourced directly from Multiquip, this part matches the original component specification for the 4BD1 engine configuration, ensuring a direct, hassle-free installation. If you are servicing or rebuilding the gear train on your DCA40SSAI, this is the correct OEM replacement to restore proper mechanical function.

Key Features

• Genuine OEM Gear Integrity — Machined to the exact tooth profile and bushing fit required for the 4BD1 engine's gear train, maintaining proper mesh clearance and load transfer.
• Direct Installation Fit — Replaces the original idler gear assembly on the DCA40SSAI without modification, slotting into the existing gear train mounting position.
• Confirmed DCA40SSAI Compatibility — Specifically engineered for the DCA40SSAI ultra-silent diesel generator platform with 4BD1 engine fitment.
• Sustained Engine Timing Accuracy — A properly functioning idler gear maintains correct timing between driven components; a worn or damaged gear can introduce lash, noise, and eventual timing deviation.
• Durable Bushing Construction — The integrated bush supports the gear journal under continuous rotational load, resisting wear and heat typical of extended generator run cycles.

The idler gear with bush is a key component within the engine's gear train, acting as an intermediate driver that transfers rotational force between the crankshaft and accessory or camshaft gears. The integrated bushing provides a low-friction bearing surface that allows the gear to spin freely on its shaft while maintaining positional stability under load. When the bushing wears or the gear teeth become damaged, backlash increases and timing accuracy degrades, which can lead to rough running, increased engine noise, and accelerated wear on adjacent gear train components.

For questions about fitment or to confirm this is the right part for your DCA40SSAI, contact the DHS Equipment team directly.

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.