Multiquip C3154300104 Bearing Cover

The Multiquip C3154300104 Bearing Cover is a genuine OEM component designed for the DCA300SS and DCA400SS series ultra-silent diesel generators, including models DCA300SSC, DCA300SSCU, DCA300SSJU4F2, DCA300SSJU4F3, DCA400SSI, DCA400SSI4F3B. As a direct Multiquip OEM part, C3154300104 is manufactured to the same specifications as the original, ensuring proper fitment across the full range of compatible DCA-series units. This cover protects critical bearing assemblies within the generator alternator end, helping to maintain long-term mechanical integrity under continuous load. Sourced directly through DHS Equipment, this part ships as an authentic Multiquip replacement to keep your generator performing as designed.

Key Features

• OEM-Grade Bearing Protection: — Constructed to the same dimensional and material standards as the factory-installed cover, ensuring the bearing assembly is fully enclosed and shielded from contamination.
• Direct Drop-In Replacement: — Engineered to align with existing mounting points on DCA300SS and DCA400SS alternator housings, requiring no reworking of surrounding components during installation.
• Broad DCA-Series Compatibility: — Confirmed fitment across DCA300SSC, DCA300SSCU, DCA300SSJU4F, DCA400SSI, DCA400SSK, DCA400SSV, MQP240, and related super-silent and ultra-silent generator variants.
• Preserves Alternator Bearing Life: — A properly seated bearing cover prevents ingress of dust, moisture, and debris that accelerate bearing wear and can lead to alternator failure during critical power generation operations.
• Genuine Multiquip OEM Part: — Supplied as an authentic Multiquip component, fully traceable to part number C3154300104, so you can be confident you are installing the correct part for your specific DCA-series generator model.

The bearing cover on a diesel generator alternator serves as a protective enclosure for the bearing assembly at the drive or non-drive end of the alternator shaft. It keeps contaminants such as dirt, water, and carbon particles away from the bearing, which is essential for maintaining smooth shaft rotation and stable power output. When this cover becomes cracked, corroded, or damaged, the exposed bearing is vulnerable to accelerated wear that can cause increased vibration, heat buildup, and ultimately alternator failure — resulting in unplanned downtime on critical standby or prime power applications.

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.