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The Haskel 27375‑4V Vulcanized Stem is a precision-engineered component featuring a stainless steel core bonded with vulcanized rubber for fluid valve assemblies. It’s designed to control fluid flow in Haskel pumps and boosters with smooth, leak-tight operation. With a 1/4″ diameter and 1/2″ length, it fits AA‑5, AO‑4, R600 series and similar systems. Built for high pressure and temperature durability, this stem resists corrosion and wear. OEM-standard quality ensures reliable, direct-fit replacements for maintenance and rebuilds. Easy to install and field-ready.
- Stainless steel core with vulcanized rubber seal
- 1/4″ diameter × 1/2″ length for precise OEM fit
- Durable design resists chemical, temperature, and wear stresses
- Ensures leak-tight fluid control in valve assemblies
- OEM part guaranteeing compatibility with Haskel systems
- Simplifies repairs and rebuilds in field servicing
| Part Number | 27375-4V |
| Type | Vulcanized fluid valve stem |
| Dimensions | ¼″ diameter × ½″ length |
| Material | Stainless steel core + vulcanized rubber |
| Weight | ~1 lb (shipping weight) |
| Compatibility | Fits Haskel AA‑5, AO‑4, R600 series pumps/boosters |
| Packaging | Individually boxed OEM replacement |