The Genie 1257389GT is a genuine OEM Flat Washer, M6X18X1.6, DIN9021, ZAB built for Genie SX super-boom telescopic lifts, S telescopic boom lifts, and Z articulating boom lifts. Sourced directly from Genie, this washer meets the exact dimensional and finish standards of the original hardware. It is a direct-fit replacement confirmed for models including the SX-180, SX-135 XC, S-65 XC, Z-62/40, ZX-135/70, Z-51/30J, Z-45/25 IC, and other machines in these families. Cross-reference part number 1257389GT against your machine's parts manual to confirm fitment before ordering.
Key Features
- Genuine OEM Dimensional Conformity — Manufactured to DIN9021 standard with ZAB finish, matching the original washer's outer diameter, inner diameter, and thickness exactly.
- Correct M6 Sizing — The M6X18X1.6 spec ensures proper load distribution and seating on the correct fastener — no guesswork, no ill-fitting hardware.
- Broad Boom Lift Compatibility — Fits a wide range of Genie SX super-boom telescopic lifts, S telescopic booms, and Z articulating booms across multiple configurations.
- Genuine Genie OEM Part — Supplied by Genie as original equipment, ensuring the hardware meets the same specification as what came off the assembly line.
- Structural Integrity Under Load — A correctly specified washer distributes clamping force evenly across the joint surface, protecting mating components from damage caused by undersized or non-conforming hardware.
A flat washer distributes the clamping load of a bolt or nut across a wider surface area, preventing fastener pull-through and protecting the material around the joint from damage. In aerial lift applications, where structural fasteners are subject to vibration and dynamic loading, using the correct washer specification — the right outer diameter, thickness, and finish — ensures the joint maintains its design clamping force over time. A washer that is undersized, too thin, or made to the wrong standard can allow fastener movement, leading to loosening or accelerated wear of the connection it secures.
Part Details
| Part Number | 1257389GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Flat Washer, M6X18X1.6, DIN9021, ZAB |
Compatibility & Fitment
| Name | Models |
|---|---|
| S-60 J | S-60 J |
| S-65 XC | S-65 XC |
| SX-125 XC | SX-125 XC |
| SX-135 XC | SX-135 XC |
| SX-150 | SX-150 |
| SX-180 | SX-180 |
| Z-45 XC | Z-45 XC |
| Z-45/25 IC | Z-45/25 IC |
| Z-51/30J | Z-51/30J |
| Z-62/40 | Z-62/40 |
| ZX-135/70 | ZX-135/70 |
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.
