Impact part 805-451 is a bushing designed to reduce friction and provide wear resistance between moving parts on compatible Impact sprayer models. This precision component supports rotating or sliding shafts, maintaining proper alignment while minimizing wear. Replacing a worn, scored, or damaged bushing restores smooth operation and prevents damage to mating components.
| Part Number | 805-451 |
|---|---|
| Part Description | Bushing |
| Brand | Impact |
| Fits | Impact 1140, 1640, 740, 840, 1140 I and IA, 840 I and IA |
| Condition | New |
The 805-451 Bushing is a precision cylindrical component designed to provide a low-friction bearing surface for rotating or sliding shafts on compatible Impact 1140, 1640, 740, 840, 1140 I, 1140 IA, 840 I, and 840 IA sprayer models. It supports moving parts while maintaining proper alignment and reducing wear.
Bushings, also known as sleeve bearings, are essential components in mechanisms where shafts rotate or slide within housings. They provide a replaceable wear surface that protects more expensive components like shafts and housings from damage. Bushings are typically made from materials with good wear resistance and low friction properties, such as bronze, oil-impregnated sintered metal, or engineered polymers. They may be plain or feature lubrication grooves to retain grease or oil.
Over time, bushings can become worn, scored, or deformed due to normal use, inadequate lubrication, or contamination. A worn bushing can cause excessive play, misalignment, vibration, and accelerated wear of mating shafts. Replacing a worn bushing restores proper clearances, ensures smooth operation, and extends the life of the assembly.
| Shaft support | Provides a bearing surface for rotating or sliding shafts |
|---|---|
| Wear protection | Sacrificial component that protects shafts and housings |
| Alignment maintenance | Helps maintain proper shaft positioning |
| Excessive play | Shaft moves more than specified within the bushing |
|---|---|
| Visible wear / scoring | Surface damage visible on the bushing ID |
| Noise / vibration | Unusual sounds or feel during operation |
| Seized / binding | Shaft does not move freely within the bushing |
Impact part 805-451 is compatible with the following sprayer models. Always verify fitment using your equipment's parts diagram before ordering.
| Model | Component |
|---|---|
| Impact 1140 | Bushing |
| Impact 1640 | Bushing |
| Impact 740 | Bushing |
| Impact 840 | Bushing |
| Impact 1140 I | Bushing |
| Impact 1140 IA | Bushing |
| Impact 840 I | Bushing |
| Impact 840 IA | Bushing |
When replacing bushings, these associated components are often inspected or replaced at the same time.
The shaft that rides in the bushing; inspect for scoring or wear.
The bore that holds the bushing; check for damage or out-of-round condition.
Seals that protect the bushing area; replace if worn.
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