Titan 858-002 Lock Washer
OEM Titan Hardware Component
Titan 858-002 Lock Washer is an OEM split-ring lock washer used to prevent nuts and bolts from loosening due to vibration on compatible Hydra, PowrLiner, PowrTex, and PowrTwin spray equipment, maintaining clamping force on critical fasteners [citation:3].
Compatibility Table
Replacing flattened or missing lock washers restores clamping force, prevents fastener back-out, and reduces the risk of component misalignment or mechanical failure.
Titan Hardware Replacement Part
Titan 858-002 Lock Washer for Hydra, PowrLiner, PowrTex and PowrTwin Sprayers
Titan 858-002 is an OEM split-ring lock washer that serves a critical vibration-resistance function across a wide range of professional Titan spray equipment. Installed under the head of a bolt or under a nut, this washer provides spring tension that resists loosening caused by vibration, thermal cycling, or dynamic loads during sprayer operation. The 1/4-inch size is specified in official Titan service documentation for multiple assemblies, including second gun assemblies on PowrLiner 4950 and 6950 models, drive assemblies, and belt guard assemblies. Over time, lock washers can lose their temper, become flattened, crack, or corrode, reducing their ability to maintain clamping force. A missing or ineffective lock washer may allow fasteners to back out, leading to component misalignment, fluid leaks, or mechanical failure. The 858-002 is verified as compatible with an extensive range of models, including PowrLiner 2800 through 9900XLT, PowrTwin 3500 through 12000 Plus, PowrTex 15:1, 6900SF, and 12000SV, and Hydra M and Hydra Pro IV. Service guidance specifies always using new lock washers when reassembling components subject to vibration, and inspecting for signs of fatigue, cracking, or loss of spring tension. Always verify fitment against your specific model's parts diagram before ordering.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | OEM Titan split-ring lock washer for preventing fastener loosening on compatible sprayer models. |
| Function | Provides spring tension to resist rotational loosening; maintains clamping force under vibration and dynamic loads. |
| Compatible Titan Models | Hydra M, Hydra Pro Super; PowrLiner 3000, 2850, 3100, 3500, 3500S, 1800M, 2800M, 4000, 4900, 4900XLT, 4950, 4955, 5000, 6000, 6900, 6900XLT, 6950, 6955, 800, 8900, 8900XLT, 8950, 8955, 9900XLT; PowrTex 15:1, 6900SF, 12000SV; PowrTwin 3500 50th Anniversary, 4500, 4900, 4900GH, 4900XLT, 6900, 6900GH, 6900XLT, 6900XLT DI, 8900, 8900GH, 12000, 12000GH, 12000GHD, 12000XLT, 12000XLT DI, 12000 Plus, 12000 Plus DI, TM 8900XLT. |
| OEM Part Number | 858-002 Lock Washer (alternate: 0858-002). |
| Common Problems Solved | Flattened or compressed washer losing tension, corrosion or rust compromising integrity, cracking or breakage, and fastener back-out causing component misalignment. |
| Target Users / Markets | Painting contractors, rental fleets, maintenance crews, and repair shops running compatible Titan sprayers. |
| Commercial Benefits | Restores clamping force, prevents fastener loosening, reduces risk of mechanical failure, and ensures safe reliable operation. |
When servicing the 858-002 Lock Washer, always use new lock washers when reassembling components subject to vibration. Inspect for signs of fatigue, cracking, or loss of spring tension. Replace any washer that is flattened, corroded, or missing. Always verify fitment against your specific model's parts diagram before ordering.
Frequently Asked Questions
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