The Multiquip EM492258 Locknut 1/2" is a genuine OEM fastener designed for MQ Mixer series concrete mixing equipment. As a direct OEM replacement sourced through Multiquip's authorized parts program, this locknut is built to the exact specifications required for correct installation and secure retention in your machine. Confirmed fitment includes MC44S and related MQ Mixer models, so you can order with confidence knowing this is the right part for your equipment.
Key Features
- Genuine OEM Thread Specification — Manufactured to the exact 1/2" thread pitch and hardness grade required by Multiquip, ensuring proper torque retention without stripping or backing off under load.
- Drop-In Installation — Matches the original fastener profile exactly, threading directly into existing mounting points without rework or modification to mating hardware.
- Confirmed MQ Mixer Fitment — Verified for MC44S and MQ Mixer series concrete mixers, taking the guesswork out of parts sourcing.
- Secure Locking Under Vibration — The locking design resists loosening caused by the continuous vibration and rotational forces generated during mixing cycles, keeping critical assemblies held firmly in place.
- Corrosion-Resistant Construction — Built to withstand the wet, abrasive environment of concrete mixing operations, maintaining clamping force over repeated use and wash-down cycles.
A locknut is a specialized fastener engineered to resist loosening under dynamic loads — in a concrete mixer, that means sustained vibration, rotation, and impact from tumbling aggregate. Unlike a standard nut, the locking mechanism maintains clamping force even as the machine cycles repeatedly through heavy mixing loads. When a locknut wears, stretches, or backs off, the assembly it secures can shift or separate, leading to accelerated wear on surrounding components or an unsafe operating condition. Replacing a failed or compromised locknut with the correct OEM part restores the structural integrity of the fastened joint and keeps the mixer performing as intended.
Part Details
| Part Number | EM492258 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Locknut 1/2" |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Mixers | MC44S |
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.
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