4 Groove Pulley – 6.90" OD – SK Style Bushing – OEM Replacement Part – 4-3V6.90

Part Number: 4-3V6.90
Category: Power Transmission → Pulleys → V-Belt Pulleys
Type: 4 Groove Pulley – 6.90" OD – SK Style Bushing – OEM Replacement Part

The 4-3V6.90 Pulley – OEM Replacement Part is a heavy-duty fixed-pitch V-belt pulley designed for pressure washer systems, pump assemblies, and other belt-driven industrial equipment requiring maximum multi-belt power transmission.

Key Features & Benefits

• Genuine OEM replacement pulley
• 6.90" outside diameter
• Four-groove design
• Designed for 3V-section belts
• Requires separate SK-style bushing
• Fixed-pitch design
• Block construction
• Maximum belt contact for high-load applications
• Easy installation and replacement

Technical Specifications

Part Number: 4-3V6.90
Pulley Type: Fixed Pitch V-Belt Pulley
Outside Diameter: 6.90"
Datum Diameter: 6.85
Number of Grooves: 4
Belt Type: 3V Section
Bushing Compatibility: SK
Construction Type: Block
Dimension E: 9/32"
Dimension F: 1-29/32"
Dimension H: 1/4"
Dimension L: 1-7/8"
Weight: 11.05 lbs

Typical Applications

• Pressure washer systems
• Pump assemblies
• Belt-driven equipment
• Industrial machinery repairs
• Power transmission systems
• OEM pulley replacements

Performance Advantages

• Maximum power transfer capacity
• Superior belt stability
• Reduces belt wear and slippage
• Maintains proper belt alignment
• OEM-compatible fitment
• Built for long-term durability