Titan 9871045 Stem O-Ring
OEM Titan Valve Stem Sealing Component
Titan 9871045 Stem O-Ring is a genuine OEM replacement seal used in the dump valve assembly of compatible SprayTECH EP-series, PowrTwin, PowrLiner, and PowrBeast sprayers, preventing internal leakage around the valve stem.
Compatibility Table
A hardened, cracked, or flattened stem O-ring allows paint to bypass the valve stem, causing pressure loss and erratic pump operation. Replacement restores proper dynamic sealing.
Titan Dump Valve Stem Sealing Component
Titan 9871045 Stem O-Ring for EP-Series and PowrBeast Sprayers
Titan 9871045 is the OEM stem O-ring specified for the dump valve assembly on compatible SprayTECH EP-series, PowrTwin, PowrLiner, and PowrBeast sprayers. It creates a dynamic seal between the moving valve stem and the valve housing, preventing paint from bypassing the stem and maintaining proper pressure.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | Genuine OEM stem O-ring used in the dump valve assembly of compatible SprayTECH, PowrTwin, PowrLiner, and PowrBeast sprayers. |
| Function | Provides dynamic sealing between the moving valve stem and housing bore. Prevents paint from bypassing the stem and losing pressure, and helps center the stem to reduce friction during the stroke. |
| Replacement Triggers | Hard or brittle O-ring, flattened or nicked sealing surface, pressure loss or excessive pump cycling, or whenever the valve assembly is disassembled. |
| Industrial Applications | Professional sprayer dump valve repair and restoration of proper stem sealing and pressure retention. |
| Compatible Machines | SprayTECH EP2300, EP2300se, EP2400, EP2510; PowrTwin 4900, 6900, 8900, 12000 Plus; PowrLiner 4950, 6950, 4955, 6955, 8955; PowrBeast 4700, 7700, 9700, 4700T. Listed as item 3, "O-Ring," in the EP2300 Dump Valve Assembly (Figure 26) of the official service manual. |
| OEM Part Number | 9871045 Stem O-Ring. |
| Related Parts Commonly Serviced Together | Dump valve seal 0294499, valve seat 0294516, ball 9841502, and dump valve cartridge 0294214. Inspect the valve stem for scratches or corrosion during replacement. |
| Common Problems Solved | Pressure loss that worsens over time, excessive pump cycling, difficulty holding pressure when the gun is closed, and visible leakage from the valve area. |
| Target Users / Markets | Painting contractors, maintenance crews, rental fleet operators, and repair shops servicing Titan and SprayTECH sprayers. |
| OEM and Brand Information | Genuine Titan replacement component documented in the official EP2300 service manual. |
| Commercial Benefits | Low-cost OEM O-ring that restores proper stem sealing, preventing pressure loss and ensuring reliable pump operation. |
The 9871045 Stem O-Ring is installed in the dump valve assembly. When replacing, inspect the valve stem for scratches or corrosion, and check the valve spring, ball/poppet, and seat for wear. O-rings take a permanent set after being compressed, so always install a new O-ring whenever the valve assembly is disassembled.
Frequently Asked Questions
Quick answers for confirming fitment, function, and replacement timing.
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