Titan 859-001 Seal Washer
Part 859-001 is a replacement seal washer used in fluid and hydraulic systems across a wide range of compatible spray equipment. This washer provides a sealing function under bolt heads or fittings, preventing fluid leaks. When the original washer becomes worn, compressed, or damaged, replacement restores leak-free sealing.
| Part Number | 859-001 |
|---|---|
| Part Description | Seal Washer |
| Brand | Universal |
| Fits | hydrax 4540 - 7230; PowrLiner 4955, 6955, 8955; PowrLiner 4000; PowrLiner 4900 XLT; PowrLiner 4900; PowrLiner 4950; PowrLiner 5000; PowrLiner 6000; PowrLiner 6900 XLT SP; PowrLiner 6900 XLT; PowrLiner 6950; PowrLiner 6950_1; PowrLiner 8900 XLT SP; PowrLiner 8900 XLT; PowrLiner 8900; PowrTex 6900SF, 12000SV 0528919D; PowrTex 6900SF, 12000SV; PowrTwin 3500 50th anniversary; PowrTwin 4500; PowrTwin 4900 , 6900 , 8900, 12000 Plus; PowrTwin 4900 XLT; PowrTwin 4900GH; PowrTwin 6900 , 12000 Plus DI; PowrTwin 6900 XLT DI; PowrTwin 6900 XLT; PowrTwin 6900GH; PowrTwin 8900GH; PowrTwin 12000 GHD; PowrTwin 12000 Plus DI service; PowrTwin 12000 XLT DI; PowrTwin 12000 XLT; PowrTwin 12000GH; PowrTwin 12000GHD; PowrTwin TM 8900 XLT |
| Condition | New |
Seal Washer 859-001 for Multi-Brand Spray Equipment
The 859-001 seal washer is a direct replacement sealing component for an extensive range of spray equipment including hydrax 4540-7230; multiple PowrLiner models (4955/6955/8955, 4000, 4900 XLT, 4900, 4950, 5000, 6000, 6900 XLT SP, 6900 XLT, 6950, 6950_1, 8900 XLT SP, 8900 XLT, 8900); PowrTex 6900SF/12000SV (including 0528919D); and numerous PowrTwin models (3500 50th anniversary, 4500, 4900/6900/8900/12000 Plus, 4900 XLT, 4900GH, 6900/12000 Plus DI, 6900 XLT DI, 6900 XLT, 6900GH, 8900GH, 12000 GHD, 12000 Plus DI service, 12000 XLT DI, 12000 XLT, 12000GH, 12000GHD, TM 8900 XLT). This washer combines a sealing function with load distribution, typically featuring a soft sealing layer bonded to a metal backing. It is used under bolt heads, nuts, or fittings to create a leak-proof seal in fluid connections. A worn or compressed seal washer can cause fluid leaks and pressure loss. This replacement washer is manufactured to exact specifications for proper fit and sealing.
What it does and when to replace it
| Leak prevention | Creates seal under bolt head or fitting |
|---|---|
| Load distribution | Spreads clamping force |
| Fluid containment | Prevents fluid escape at connections |
| Compressed / flattened | Washer no longer provides effective seal |
|---|---|
| Damaged sealing layer | Cut or torn sealing material |
| Fluid leakage | Visible leak at connection |
| Missing washer | Washer lost during disassembly |
Compatibility
Seal washer 859-001 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Series | Models |
|---|---|
| hydrax | 4540 - 7230 |
| PowrLiner | 4955, 6955, 8955; 4000; 4900 XLT; 4900; 4950; 5000; 6000; 6900 XLT SP; 6900 XLT; 6950; 6950_1; 8900 XLT SP; 8900 XLT; 8900 |
| PowrTex | 6900SF, 12000SV 0528919D; 6900SF, 12000SV |
| PowrTwin | 3500 50th anniversary; 4500; 4900, 6900, 8900, 12000 Plus; 4900 XLT; 4900GH; 6900, 12000 Plus DI; 6900 XLT DI; 6900 XLT; 6900GH; 8900GH; 12000 GHD; 12000 Plus DI service; 12000 XLT DI; 12000 XLT; 12000GH; 12000GHD; TM 8900 XLT |
Related parts commonly serviced together
When replacing seal washers, inspect these associated components to ensure proper sealing.
Check threads for damage.
Ensure surface is clean and smooth.
Inspect sealing faces for damage.
Frequently Asked Questions
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