9822639 Lock Washer is a genuine OEM replacement lock washer for Titan airless sprayers. This split‑ring lock washer prevents fasteners from loosening due to vibration and dynamic loads in pump assemblies, drive linkages, and frame connections. A flattened, cracked, or missing lock washer can allow bolts to back off, leading to component misalignment, fluid leaks, or mechanical failure. Replacing the lock washer restores proper fastener retention and reliable equipment operation.
| Part Number | 9822639 |
|---|---|
| Part Description | Lock Washer (split‑ring, spring steel) |
| Brand | Titan |
| Fits | PowrLiner: 4500, 5500, 4955, 6955, 8955, 3500 72v, 3000, 3500s; PowrTwin: 4900, 6900, 8900, 12000 Plus |
| Condition | New |
The Titan 9822639 Lock Washer is a split‑ring spring steel washer used to secure fasteners against vibration and dynamic loads. When compressed under a nut or bolt head, the split edges bite into the mating surface and the fastener, creating tension that resists loosening. This lock washer is commonly found on pump drive linkages, motor mounts, fluid section fasteners, and frame assemblies.
Over time, lock washers can lose their spring tension (take a permanent set), corrode, or become cracked. A failed lock washer allows the fastener to back off, causing parts to separate, misalign, or leak. Replacing the washer with an OEM component ensures correct spring rate, material hardness, and reliable locking action.
| Vibration resistance | Prevents fastener loosening from pump and motor vibration |
|---|---|
| Spring tension | Maintains clamp load under dynamic conditions |
| Damage prevention | Stops parts from separating, which could cause leaks or breakage |
| Flattened / compressed | Washer no longer has spring resistance; appears flat |
|---|---|
| Cracked / broken | Visible split or fracture in the washer ring |
| Corrosion / rust | Pitting that weakens the washer or prevents proper bite |
| Missing washer | Previous service omitted the lock washer; add one immediately |
Part 9822639 is the OEM lock washer for the following Titan sprayer models. Always verify with your machine's parts diagram.
| Brand / Model | Component |
|---|---|
| PowrLiner 4500 | Lock Washer |
| PowrLiner 5500 | Lock Washer |
| PowrLiner 4955 | Lock Washer |
| PowrLiner 6955 | Lock Washer |
| PowrLiner 8955 | Lock Washer |
| PowrLiner 3500 72v | Lock Washer |
| PowrLiner 3000 | Lock Washer |
| PowrLiner 3500s | Lock Washer |
| PowrTwin 4900 | Lock Washer |
| PowrTwin 6900 | Lock Washer |
| PowrTwin 8900 | Lock Washer |
| PowrTwin 12000 Plus | Lock Washer |
When replacing a lock washer, inspect or replace these related fasteners and washers.
The mating fastener; replace if threads are damaged or the bolt is stretched.
Often used under the lock washer to protect the surface; replace if deformed.
Inspect the mating holes and surfaces for wear or elongation.
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