Part number 763-550 is a replacement bushing used in various airless sprayers and line stripers. It serves as a bearing surface or spacer in linkages, pivot points, or pump assemblies, reducing friction and wear between moving parts. Replacing a worn or missing bushing restores smooth operation and prevents premature damage to surrounding components.
| Part Number | 763-550 |
|---|---|
| Part Description | Bushing |
| Brand | SprayTech / PowrLiner / ProMark |
| Fits | Select models (see long description) |
| Condition | New |
The 763-550 Bushing is a precision component used in pivot points, linkages, and pump assemblies of compatible airless sprayers and line stripers. It provides a low‑friction surface between moving parts, reducing wear and ensuring smooth, reliable operation.
A worn, cracked, or missing bushing can cause excessive play, misalignment, and accelerated wear of pins, shafts, and housings. This may lead to noisy operation, erratic movement, or component failure. Replacing it with a new 763-550 bushing restores proper clearances and extends the life of your equipment.
| Reduces friction | Provides a smooth bearing surface between moving parts |
|---|---|
| Absorbs wear | Sacrificial component that protects more expensive parts |
| Maintains alignment | Keeps pins and shafts centered in their bores |
| Reduces noise | Dampens vibration and prevents metal‑on‑metal contact |
| Worn or oversized | Bushing inner diameter enlarged, causing play |
|---|---|
| Cracked or split | Visible damage that compromises function |
| Missing | Bushing has fallen out or was lost |
| Excessive play | Noticeable looseness in the linkage or pivot |
| Noise / vibration | Unusual sounds from the joint area |
Part 763-550 is compatible with the following models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Model | Component |
|---|---|
| 690 GXC Airless Sprayer | 763-550 Bushing |
| Advantage GPX 220 | 763-550 Bushing |
| Advantage GPX 85 | 763-550 Bushing |
| Airless Sprayer 1200 GXC | 763-550 Bushing |
| Elite G40 | 763-550 Bushing |
| Elite E55 | 763-550 Bushing |
| Epic 1200 HPG | 763-550 Bushing |
| PowrLiner 2850 GB_D_F | 763-550 Bushing |
| PowrLiner 3100 | 763-550 Bushing |
| PowrLiner 2800 | 763-550 Bushing |
| PowrLiner 1800M | 763-550 Bushing |
| PowrLiner 2800M | 763-550 Bushing |
| ProMark II (759-2010) | 763-550 Bushing |
| RentSpray 700 | 763-550 Bushing |
| SprayTech GPX 85 | 763-550 Bushing |
When replacing a bushing, inspect these related components to ensure a complete and reliable repair.
The pin that rides in the bushing may be worn. Replace if undersized or scored.
The surrounding linkage may be bent or cracked. Inspect and replace as needed.
Clips, washers, or bolts that secure the assembly may be loose or missing.
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