The Multiquip 73303040081 Round Cross M4 Screw is a genuine OEM fastener designed for ST4 and ST6 series submersible pumps. As an OEM-sourced component, it meets the exact dimensional and material specifications set by Multiquip, ensuring a correct, secure fit in the original assembly. This screw is confirmed compatible with ST4, ST41230, ST41460, ST6, ST61230, and ST61460 models. When you need to keep a submersible pump in proper working order, using the correct OEM hardware matters — substituting an off-spec fastener risks improper clamping force and premature failure at the joint.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Multiquip's exact M4 thread pitch and head profile, ensuring correct torque transfer without stripping or cross-threading.
- Direct-Fit Installation — Round cross (Phillips-style) head seats flush in its original mounting position, requiring no rework or modification to surrounding hardware.
- Broad ST-Series Coverage — Fits ST4, ST41230, ST41460, ST6, ST61230, and ST61460 submersible pump models, making it a versatile stock item for multi-unit fleets.
- Maintains Pump Housing Integrity — A correctly spec'd fastener preserves proper panel and housing alignment, preventing leaks or vibration-related loosening during submerged operation.
- Corrosion-Resistant Construction — Built to withstand the wet, submersed environment that ST-series pumps routinely operate in, supporting long service intervals between replacements.
A round cross M4 screw serves as a structural fastener within the pump assembly, securing housing panels, covers, or internal components to the pump body at the correct clamping force. In submersible pump applications, fasteners are exposed to continuous moisture and vibration, which can accelerate corrosion or loosen an undersized or off-spec screw over time. A failed or missing fastener can allow housing panels to shift, compromising the sealed integrity of the pump and leading to water ingress or mechanical misalignment.
Part Details
| Part Number | 73303040081 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Round Cross M4 Screw |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST6 |
| Submersible Pumps | ST4 |
| Submersible Pumps | ST41230/ST41460 |
| Submersible Pumps | ST61230/ST61460 |
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.
