The Multiquip 306H7200180125Z Cotter Pin 3/16 In OD x 1-1/4 In is a genuine OEM fastener designed for MQ Diaphragm Pumps. Sourced directly from Multiquip, this cotter pin delivers the exact dimensions and material grade required for a secure, lasting installation. It is a direct OEM replacement, meaning it matches the original component your pump left the factory with. Confirm your model against the fitment data before ordering to ensure a correct match for your MQ Diaphragm Pump application.
Key Features
- OEM-Spec Dimensions — Manufactured to the exact 3/16 in OD x 1-1/4 in length specification, ensuring the pin seats and spreads correctly in its bore without binding or slop.
- Genuine Multiquip OEM Part — Supplied as an authentic Multiquip component, carrying part number 306H7200180125Z for straightforward verification against your parts manual.
- Direct Installation Fit — Designed to drop into the original clevis or shaft bore on MQ Diaphragm Pump models without any rework or modification to the surrounding hardware.
- Fastener Integrity Where It Counts — A properly installed cotter pin locks retaining hardware in place under vibration and fluid pressure; a worn or missing pin can allow critical linkage to shift or separate during operation.
- Fits MQ Diaphragm Pump Series — Verified for use on MQ Diaphragm Pump equipment; cross-reference your model code before ordering to confirm applicability.
A cotter pin is a small but critical locking fastener used to secure clevis pins, shaft retainers, and other hardware against loosening caused by vibration or movement during pump operation. On diaphragm pumps, these pins commonly retain the linkage that drives the diaphragm itself, meaning a missing or failed cotter pin can allow that connection to disengage, stopping fluid transfer entirely. Replacing a worn or bent cotter pin as part of routine service is one of the simplest ways to prevent unexpected mechanical failure in the field.
Part Details
| Part Number | 306H7200180125Z |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cotter Pin 3/16 In OD x 1-1/4 In |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D306HA |
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.
