Part number 800-351 is an Upper Housing used in Airless Sprayer 1140 I and IX, 840 I and IX; Impact 1640; Performer 1140 IX; and PowrTex 1200SF models. This structural component encloses and protects the upper portion of the pump or motor assembly, providing mounting points and maintaining component alignment. Replacing a cracked, bent, or corroded upper housing restores equipment integrity and ensures reliable operation.
| Part Number | 800-351 |
|---|---|
| Part Description | Upper Housing |
| Brand | Multiple |
| Fits | Airless Sprayer 1140 I, 1140 IX, 840 I, 840 IX; Impact 1640; Performer 1140 IX; PowrTex 1200SF |
| Condition | New |
The 800-351 Upper Housing is a structural component used in Airless Sprayer 1140 I and IX, 840 I and IX; Impact 1640; Performer 1140 IX; and PowrTex 1200SF models. It forms the upper enclosure for the pump or motor assembly, protecting internal components from debris and damage while providing critical mounting points for associated parts.
This housing is precision‑cast or fabricated to maintain proper alignment of internal components such as the piston, seals, and valves. A properly intact upper housing ensures that all parts remain correctly positioned during operation, preventing binding, excessive wear, and leaks. Over time, housings can become cracked from stress or impact, corroded from chemical exposure, or warped from overheating. Replacing a damaged upper housing restores structural integrity, protects internal components, and ensures reliable equipment performance.
| Component enclosure | Protects internal pump or motor components from debris and damage |
|---|---|
| Structural support | Provides mounting points and maintains component alignment |
| Fluid containment | Helps contain fluid within the pump assembly |
| Cracked / broken | Visible cracks or fractures compromising structural integrity |
|---|---|
| Bent / warped | Deformation affecting alignment or sealing |
| Corroded | Severe rust or chemical damage weakening the housing |
| Fluid leaks | Leaks originating from housing cracks or damaged sealing surfaces |
Part number 800-351 is compatible with the following models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Brand / Model | Component |
|---|---|
| Airless Sprayer 1140 I | Upper Housing |
| Airless Sprayer 1140 IX | Upper Housing |
| Airless Sprayer 840 I | Upper Housing |
| Airless Sprayer 840 IX | Upper Housing |
| Impact 1640 | Upper Housing |
| Performer 1140 IX | Upper Housing |
| PowrTex 1200SF | Upper Housing |
When replacing the upper housing, these components are often inspected or replaced at the same time to ensure complete pump assembly reliability.
Replace all seals and gaskets disturbed during housing replacement.
Inspect for scoring or wear that could affect performance.
Check valve components for wear and replace if necessary.
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