The Multiquip 2791100121 is a genuine OEM Main Bearing Cover C designed for QP-40TE, QP3TE, G-4.5R, and GA4.5R series equipment. As a factory-authorized replacement, this cover is manufactured to the same tolerances and material specifications as the original component, ensuring a correct fit the first time. Confirmed fitment spans the QP-40TE and QP3TE trash pump models as well as the G-4.5R and GA4.5R portable generator series, making this a versatile OEM solution across multiple Multiquip equipment lines. DHS Equipment stocks this genuine Multiquip part for fast fulfillment when you need to get your equipment back up and running.
Key Features
- Genuine OEM Casting Integrity — Manufactured to original material and dimensional specifications, ensuring the bearing bore maintains proper alignment and housing strength over the life of the component.
- Direct-Mount Replacement — Matches the original mounting bolt pattern and sealing surfaces, allowing straightforward installation without modification to surrounding components.
- Broad Multiquip Fitment — Compatible with QP-40TE, QP3TE, G-4.5R, and GA4.5R models, covering both trash pump and portable generator applications within the Multiquip lineup.
- Bearing Protection and Load Management — A correctly fitted cover shields the main bearing from contamination and retains proper lubrication, preventing premature bearing wear and shaft damage.
- OEM Part Number 2791100121 — Cross-reference this number against your equipment's service manual to confirm application before ordering.
The main bearing cover serves as a protective housing that encloses and supports the main bearing on the crankshaft or rotor shaft assembly. It keeps contaminants such as dust, debris, and moisture away from the bearing surfaces while helping to retain lubricant where it is needed most. When this cover becomes cracked, warped, or damaged, bearing lubrication is compromised and contamination can accelerate wear, leading to shaft play, vibration, and eventual bearing failure — both of which can cause significant secondary damage to the engine or generator end if left unaddressed.
Part Details
| Part Number | 2791100121 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Main Bearing Cover C |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Trash Pumps | QP-40TE |
| Portable Ac Generator | G-4.5R |
| Portable Generators | GA4.5R |
| MQ Trash Pumps | QP3TE |
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.
