The Multiquip 503958 is a genuine OEM Bolt 1/4" x 5/8" G5 designed for AR13H, AR13HA/HAR, AR13HC, WM45HCE, and WM45HE equipment. As a direct Multiquip OEM part, the 503958 is manufactured to the same specifications as the original hardware installed at the factory, ensuring a correct and consistent fit. This bolt is stocked for operators and service technicians who need to maintain or restore their equipment with confidence in part accuracy.
Key Features
- Grade 5 Hardness Rating — G5 classification delivers the tensile strength required for structural and mechanical fastening applications on heavy-use construction equipment.
- Exact OEM Dimensions — 1/4" x 5/8" sizing matches the original hardware specification, so this bolt installs directly without modification to surrounding components.
- Broad Model Coverage — Confirmed fitment across AR13H, AR13HA/HAR, AR13HC asphalt ride-on rollers and WM45HCE, WM45HE Whiteman mortar mixers.
- Consistent Clamping Performance — Correct torque retention keeps assemblies secure under the vibration and load cycles typical of roller and mixer operation.
- Genuine Multiquip OEM Part — Sourced directly through the Multiquip OEM supply chain, so part number 503958 matches what came off the original production line.
A Grade 5 bolt is a medium-strength fastener used throughout construction equipment assemblies where elevated shear and tensile loads are present. The 1/4" x 5/8" specification determines thread engagement depth and clamping range, meaning an incorrect substitute can lead to improper torque, loosening under vibration, or accelerated wear on mating components. Using the correctly rated and dimensioned OEM bolt maintains the integrity of the assembly and helps prevent hardware failures during operation.
For fitment questions or to confirm compatibility with your specific serial number, contact the DHS Equipment team directly.
Part Details
| Part Number | 503958 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Bolt 1/4" x 5/8" G5 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | AR13H |
| Rollers | AR13HA/HAR |
| Rollers | AR13HC |
| Whiteman Mixers | WM45HCE |
| Whiteman Mixers | WM45HE |
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.
