The Multiquip 176700100 NPT Pipe Plug 1/2" is a genuine OEM component designed for MQD2H and MQD3H diaphragm pumps. Sourced directly from Multiquip, this plug is built to the exact thread specification required for a secure, leak-free seal in the pump's ported passages. It is a direct OEM replacement, confirming compatibility with the MQD2H and MQD3H pump models without the guesswork of cross-referencing aftermarket alternatives. When you need a straightforward, confidence-inspiring fix, part number 176700100 is the correct choice.
Key Features
- Correct Thread Specification: — Manufactured to the exact 1/2" NPT thread standard required by these pump housings, ensuring a positive metal-to-metal seal with no thread mismatch.
- Genuine OEM Part: — Produced by Multiquip to the same standard as the original component, so you are reinstalling the part the pump was engineered around.
- Confirmed Fitment: — Verified for use on MQD2H and MQD3H diaphragm pumps — no guessing, no adaptation needed at the port.
- Leak-Free Port Sealing: — A properly seated pipe plug keeps pump pressure contained and prevents fluid loss at unused or service ports, maintaining the pump's prime and flow rate.
- Service and Maintenance Ready: — Commonly replaced during pump servicing or port reconfiguration; having the correct OEM plug on hand keeps maintenance straightforward and the pump back in service faster.
A pipe plug is used to seal off threaded ports in a pump housing that are not actively connected to plumbing lines. On diaphragm pumps like the MQD2H and MQD3H, these ports provide access for service, pressure testing, or alternate discharge configurations. When a plug is absent, damaged, or cross-threaded, the pump cannot maintain the internal pressure needed to move fluid efficiently, and leaks at the port can draw air into the system, disrupting prime. Replacing a worn or missing plug with the correct 1/2" NPT specification restores the integrity of the pump housing and ensures the unit operates as intended.
Part Details
| Part Number | 176700100 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | NPT Pipe Plug 1/2" |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diaphragm Pumps | MQD2H |
| Diaphragm Pumps | MQD3H |
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.
