Part 765-029 is a rear motor housing designed for use in compatible airless sprayers. This housing encloses and protects the rear portion of the electric motor, including the brush assembly, commutator, and motor bearings. It provides critical structural support and helps maintain proper alignment of internal components. A cracked, damaged, or worn housing can lead to motor misalignment, debris ingress, or electrical hazards. Replacing it with this genuine housing restores motor protection and reliable operation.
| Part Number | 765-029 |
|---|---|
| Part Description | Rear Motor Housing |
| Brand | Airless Sprayer / Epic |
| Fits | Airless Sprayer 550XC; Epic 447EX, 447HPX |
| Condition | New |
The 765-029 rear motor housing is a genuine replacement component that encloses the rear end of the electric motor on compatible airless sprayers. This housing protects critical internal components—including the carbon brushes, brush holders, commutator, and rear bearing—from dust, debris, and physical damage. It also maintains proper alignment and spacing for the motor's rotating parts.
Over time, motor housings can become cracked due to impact, stress, or general wear. A damaged housing may allow contaminants to enter the motor, cause misalignment of the brushes and commutator, or create a safety hazard. Replacing a cracked or broken housing with this OEM part restores the integrity of the motor enclosure and ensures reliable, safe operation.
| Component protection | Shields brushes, commutator, and rear bearing from contaminants |
|---|---|
| Structural support | Maintains proper alignment of motor components |
| Brush retention | Houses brush holders and maintains brush position |
| Ventilation | Often includes cooling vents for motor airflow |
| Cracks or breakage | Visible cracks, chips, or missing sections in the housing |
|---|---|
| Warping / distortion | Housing no longer holds its original shape |
| Mounting damage | Bosses or screw holes are stripped or broken |
| Debris ingress | Dirt or paint found inside motor area |
| After impact | Sprayer was dropped and housing may be compromised |
Rear motor housing 765-029 is compatible with the following airless sprayer models. Always verify fitment by comparing the housing design with your original part.
| Sprayer Model | Component |
|---|---|
| Airless Sprayer 550XC | Rear Motor Housing |
| Epic 447EX | Rear Motor Housing |
| Epic 447HPX | Rear Motor Housing |
When replacing the rear motor housing, it's a good opportunity to inspect and service associated motor components.
Often replaced at the same time, especially if the housing was damaged due to brush failure.
These mount inside the rear housing; inspect for wear or damage.
The bearing seats in the housing; replace if rough or noisy.
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