Part 800-019 is a replacement axle cap used to secure the wheel and protect the bearing hub on a wide range of airless sprayers and line stripers. When the original cap is cracked, lost, or corroded, this cap restores proper wheel retention and keeps contaminants out of the bearing assembly. It fits directly onto the threaded axle end and ensures smooth, wobble‑free operation.
| Part Number | 800-019 |
|---|---|
| Part Description | Axle Cap |
| Brand | Universal (fits multiple brands) |
| Fits | 840 i, 840 IX, 1140 i, 1140 IX, Elite 3500, Helix, Impact, PowrLiner 2800, PowrTex, ProMark II, and more |
| Condition | New |
The 800-019 axle cap is a direct replacement component designed to fit a broad range of airless sprayers and line stripers. It threads onto the end of the wheel axle, locking the wheel in place while shielding the bearing from dirt, moisture, and debris. Constructed from durable, corrosion‑resistant material, it withstands the vibration and load of daily commercial use. A missing or damaged cap allows contaminants to enter the bearing, leading to premature wear, wheel wobble, and uneven tracking. Reinstalling a fresh cap restores the protective seal and ensures the wheel rotates smoothly. The cap includes the necessary threads and a captive washer design for a secure fit without additional hardware. Routine inspection during wheel maintenance helps catch cap damage early, preventing costly bearing replacement and downtime on the job.
| Wheel retention | Secures wheel to axle, prevents loosening |
|---|---|
| Bearing protection | Keeps dirt, water, and debris out of hub |
| Vibration damping | Reduces minor axle play for smoother operation |
| Cracked or broken cap | Visible damage, threads unable to grip |
|---|---|
| Missing cap | Cap lost during operation, bearing exposed |
| Severe corrosion | Rust has deformed or weakened the cap |
| Wheel wobble | Excessive play traced to loose or damaged cap |
Axle cap 800-019 fits the following models. Always confirm with your equipment’s parts diagram.
| Brand / Series | Compatible Models |
|---|---|
| 840 i Series | 840 i Airless Sprayer, 840 IX, 840 ix Airless Sprayer, 840i Airless Sprayer, Iimpact 840 I and IA, Impact 840 service |
| 1140 Series | 1140 i, 1140 ix Airless Sprayer, 1140 IX, Performer 1140 ix, Impact 1140 I and IA, Impact 1140 service |
| Elite Series | Elite 3500 72v, Elite 3500, Elite 5500 |
| Helix | Helix FR, Helix VR |
| Impact / Advantage | Impact 1040, Impact 1640, Advantage GPX 85 |
| PowrLine / PowrTex | PowrLiner 2800, PowrTex 300dd, 600dd, PowrTex 1200SF |
| Other | ProMark II, RentSpar 700, SprayTech GPX 85 |
When replacing the axle cap, inspect these associated components to ensure long‑term reliability.
If debris entered due to missing cap, bearings may be gritty or pitted.
Often included with cap, but verify condition of existing spacer.
Check for elongation or damage around the axle hole.
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