250004-641 Sullair OEM Drive Coupler

The Sullair 250004-641 is an OEM flexible coupling element engineered to the exact specifications of Sullair air compressor drive systems. As a direct OEM replacement, this coupling element restores original equipment performance without modification, guesswork, or compatibility risk.

The 250004-641 serves as the flexible interface between the drive motor and the compressor airend, transmitting torque smoothly while isolating torsional vibration and absorbing shock loads before they can propagate through the drivetrain. This protects bearings, seals, and connected powertrain components from stress-related wear and fatigue failure — extending the overall service life of the compressor drive system.

As an OEM Sullair part, the 250004-641 meets the exact fit, performance, and durability specifications of your Sullair compressor — eliminating the compatibility and reliability risks associated with non-OEM alternatives.

---

Key Features and Benefits

• OEM Sullair replacement — exact fit, no modifications required
• Flexible coupling element engineered for Sullair air compressor drive systems
• Smooth torque transmission between drive motor and compressor airend
• Torsional vibration isolation reduces stress on bearings and seals
• Shock load absorption protects connected drivetrain components
• Shaft misalignment compensation extends compressor drivetrain service life
• Direct OEM fit — drop-in replacement with no special tooling required
• Built for continuous-duty industrial compressor operation

---

Typical Applications

The Sullair 250004-641 is commonly used in:

• Sullair rotary screw air compressor drive systems
• Motor-to-airend drive connections in Sullair compressor equipment
• Any Sullair application specifying OEM part 250004-641

---

Technical Specifications

• OEM Part Number: 250004-641
• Brand: Sullair
• Type: Flexible coupling element
• Function: Torque transmission with vibration isolation and misalignment compensation
• Application: Sullair air compressor drive systems
• Fit: Direct OEM replacement

---

Why OEM Matters

Non-OEM coupling elements may appear dimensionally similar but often carry material and tolerance variations that compromise vibration isolation, reduce service life, and introduce drivetrain reliability issues. The Sullair 250004-641 is manufactured to the same standard as your original equipment — ensuring correct fit, reliable torque transmission, and full compatibility from the moment it’s installed.

---

Why Stark Industrial Products

Stark Industrial Products supplies OEM industrial drivetrain components for professionals who can’t afford downtime.

• OEM Sullair parts
• Same day shipping on stocked units
• Expert technical support — we help you confirm fit before you order

Need help confirming compatibility for the Sullair 250004-641? Our team is ready.