Part 703-136 is a replacement O‑ring used in the fluid section of PowrTwin, PowrLiner and PowrTex airless sprayers. It seals the pump cylinder to prevent fluid leaks and loss of prime. This O‑ring restores proper pressure and reliable spraying performance when original seals are worn or damaged.
| Part Number | 703-136 |
|---|---|
| Part Description | O‑Ring (fluid section) |
| Brand | Genuine replacement |
| Fits | PowrTwin / PowrLiner / PowrTex |
| Condition | New |
The 703-136 O-Ring is a genuine replacement seal used in fluid sections and pump assemblies of high‑volume airless sprayers. It ensures a leak‑tight seal between mating components, preventing air ingress and fluid bypass. Compatible with a wide range of PowrTwin, PowrLiner and PowrTex models, this O‑ring restores proper pump priming and spraying pressure when original seals become worn, nicked or hardened.
Manufactured from chemical‑resistant material, it withstands the solvents and abrasives found in paints, stains and coatings. Regular inspection and replacement of this O‑ring during pump servicing helps maintain consistent performance and extends the life of the fluid section.
| Seals fluid section | Prevents paint/air leaks between pump cylinder and manifold |
|---|---|
| Maintains prime | Helps pump retain sufficient suction to draw material |
| Pressure retention | Minimizes pressure loss during stroking |
| Fluid seepage | Paint weeping from pump joints or around throat |
|---|---|
| Loss of prime | Pump runs but won't pick up material |
| Hardened or flattened O‑ring | Visible deformation during routine service |
| Intermittent pressure | Pressure fluctuates due to air drawn past worn seal |
This O‑ring (part 703-136) is designed for use in the following PowrTwin, PowrLiner and PowrTex airless sprayers. Always verify fitment with your machine's parts diagram.
| Series / Model | Notes |
|---|---|
| PowrTwin TM 8900 XLT | fluid section o‑ring |
| PowrTwin 12000 XLT | fluid section o‑ring |
| PowrTwin 12000 XLT DI | fluid section o‑ring |
| PowrTwin 12000 Plus DI service | fluid section o‑ring |
| PowrTwin 6900 XLT | fluid section o‑ring |
| PowrTwin 6900 XLT DI | fluid section o‑ring |
| PowrTwin 6900, 12000 Plus DI | fluid section o‑ring |
| PowrTwin 4900 XLT | fluid section o‑ring |
| PowrTex 6900SF, 12000SV | fluid section o‑ring |
| PowrTex 6900SF, 12000SV 0528919D | fluid section o‑ring |
| PowrLiner 8900 XLT | fluid section o‑ring |
| PowrLiner 8900 XLT SP | fluid section o‑ring |
| PowrLiner 6950_1 | fluid section o‑ring |
| PowrLiner 6950 | fluid section o‑ring |
| PowrLiner 6900 XLT | fluid section o‑ring |
| PowrLiner 6900 XLT SP | fluid section o‑ring |
| PowrLiner 4950 | fluid section o‑ring |
| PowrLiner 4900 XLT | fluid section o‑ring |
When servicing the fluid section, consider inspecting these companion parts.
Wear at the same rate; often replaced as a set with the o‑ring.
Debris or wear can affect priming; inspect when replacing seal.
Can cause similar leakage; check mating surfaces.
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