The Multiquip EM517126 Lock Washer is a genuine OEM component designed for the LS300 hydraulic-driven concrete pump. As a direct OEM replacement, it meets the original engineering specifications and installs exactly as the factory-installed part. Sourced through Multiquip's authorized parts network, the EM517126 is the correct choice when precision fastening and vibration resistance matter on your concrete pump.
Key Features
- Genuine OEM Material Grade — Manufactured to the original hardness and spring-tension spec required for secure fastening under the high-vibration conditions of a concrete pump.
- Drop-In Replacement — Matches the original thread size and profile for the LS300, requiring no fitting adjustments during installation.
- LS300 Fitment Confirmed — Verified for the Multiquip LS300 hydraulic-driven concrete pump series.
- Vibration Resistance — Designed to bite into mating surfaces and resist rotational loosening caused by continuous pump cycling and mechanical vibration.
- Prevents Fastener Backing Out — A failed or worn lock washer can allow bolts to work loose during operation, leading to misalignment or component damage; replacing it promptly keeps critical assemblies secure.
A lock washer is a thin, hardened fastening component installed beneath a bolt or nut to prevent it from loosening due to vibration, torque, or cyclical mechanical stress. In concrete pump applications like the LS300, where hydraulic pressure cycles and continuous operation generate sustained vibration, lock washers play a critical role in keeping structural and mechanical fasteners tight. When a lock washer becomes compressed, deformed, or corroded, it loses its spring tension and can no longer prevent fastener back-out, which may lead to component loosening or assembly failure.
For fitment questions or parts support, contact the DHS Equipment team.
Part Details
| Part Number | EM517126 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lock Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | LS300 |
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.
