

Titan part 858-001 is a washer used to distribute load and provide proper spacing for fasteners on compatible sprayer models. When the original washer becomes worn, crushed, or lost, it can lead to loose fasteners, improper alignment, and component stress. This washer restores proper load distribution and secure assembly.
| Part Number | 858-001 |
|---|---|
| Part Description | Washer |
| Brand | Hydra / PowrBeast / HVLP / PowrLiner / Hydrax |
| Fits | See compatible models below |
| Condition | New |
The Titan part 858-001 Washer is a precision-engineered component used across multiple sprayer platforms including Hydra M, Hydra Pro Super, PowrBeast, HVLP AirSpray ProFinish C100, PowrLiner 550, and Hydrax 4540-7230. This washer provides proper load distribution under bolt heads and nuts, prevents surface damage, and maintains correct spacing in assembled components.
A missing or damaged washer can lead to loosening of fasteners due to vibration, galling of mating surfaces, and improper clamp load. Replacing with the correct OEM washer ensures proper assembly integrity and extends the life of bolted connections.
| Load distribution | Spreads fastener load across wider surface area |
|---|---|
| Surface protection | Prevents damage to mating surfaces during tightening |
| Spacing | Provides precise spacing between components |
| Vibration resistance | Helps maintain clamp load under vibration |
| Deformation | Washer is crushed, bent, or distorted |
|---|---|
| Corrosion | Rust or corrosion that compromises integrity |
| Missing washer | Original washer lost during disassembly |
| During reassembly | Always use new washers when rebuilding components |
Titan part 858-001 is designed for use in the following sprayer models across multiple brands and product lines. Always verify your specific model before ordering.
| Brand/Line | Models |
|---|---|
| Hydra | M, Pro Super |
| PowrBeast | All models |
| HVLP AirSpray ProFinish | C100 |
| PowrLiner | 550 |
| Hydrax | 4540-7230 |
When replacing washers, these related fastening components are often inspected or replaced to ensure complete assembly security.
Matching bolts that work with this washer size.
Nuts that pair with bolts for through-hole applications.
Additional locking hardware may be used in some applications.