The Multiquip 90199941 Inner Motor Cover Seal UL SB-4A is a genuine OEM seal designed for the Multiquip SB-4A submersible pump. As a direct OEM replacement, this part is manufactured to the same standards as the original component, ensuring a correct, consistent fit within the motor housing assembly. This seal is specifically listed for SB-4A series equipment, making it the trusted choice for service technicians and operators maintaining these units.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to original material and compression specifications, delivering the same fluid-tight performance as the factory-installed seal in the SB-4A motor cover.
- Direct Housing Fit — Profiles and dimensions match the SB-4A motor cover interface exactly, allowing straightforward installation without modification to surrounding components.
- SB-4A Submersible Pump Compatibility — Confirmed fitment for Multiquip SB-4A series submersible pumps, eliminating guesswork when sourcing a replacement seal during scheduled or emergency service.
- Motor Protection — A properly seated inner motor cover seal keeps water and contaminants out of the motor cavity, preserving winding insulation and extending pump service life in demanding dewatering applications.
- UL-Compliant Construction — This seal carries the UL designation, supporting compliance requirements for submersible pump installations where Underwriters Laboratories ratings are specified.
The inner motor cover seal forms a critical barrier between the wet end of a submersible pump and the motor housing. Its role is to prevent water intrusion into the motor cavity during operation, which is essential in a unit designed to run fully submerged. When this seal deteriorates, becomes compressed, or is damaged during service, water can migrate into the motor winding area, leading to insulation breakdown, electrical faults, and ultimately pump failure. Replacing a worn seal promptly with the correct OEM part restores the protective barrier and keeps the motor running clean.
For fitment questions or to confirm this part is right for your SB-4A, contact the DHS Equipment team for assistance.
Part Details
| Part Number | 90199941 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inner Motor Cover Seal UL SB-4A |
Compatibility & Fitment
| Name | Model |
|---|---|
| SB-4A | SB-4A |
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.
