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10" Green Nylon Bi-Level Wash Brush – OEM Replacement Part

Original price $35.00 - Original price $35.00
Original price
$35.00
$35.00 - $35.00
Current price $35.00

Part Number: 6638
Category: Pressure Washer Accessories → Wash Brushes → Bi-Level Vehicle Wash Brushes
Type: 10" Green Nylon Bi-Level Flow-Through Wash Brush


The 10" Green Nylon Bi-Level Wash Brush (Part #6638) is a professional-grade flow-through wash brush designed for vehicle washing, fleet maintenance, soft washing, equipment cleaning, and commercial wash-down applications. Featuring a bi-level (Hi-Lo) brush design, this brush conforms easily to curved and uneven surfaces, providing superior cleaning contact across vehicle panels, body contours, and equipment surfaces.


Key Features & Benefits

  • Genuine OEM replacement wash brush
  • Hi-Lo bi-level brush design
  • Flow-through water-fed construction
  • Durable Nylex® nylon bristles
  • Excellent chemical and acid resistance
  • Threaded handle connection
  • Compatible with short or telescoping handles
  • Multi-angle cleaning capability
  • Brush block resists warping
  • Does not absorb chemicals or water

Technical Specifications

Part Number: 6638

Product Type: Bi-Level Flow-Through Wash Brush

Brush Width: 10 Inches

Brush Style: Hi-Lo / Bi-Level

Bristle Material: Nylex® Nylon

Trim Length: 2"

Handle Connection: Threaded Hole

Water Feed: Flow-Through Design

Chemical Resistance: Excellent

Acid Resistant: Yes

Application: Vehicle, Fleet & Equipment Washing

OEM Replacement: Yes


Typical Applications

  • Truck washing
  • Fleet vehicle cleaning
  • RV washing
  • Bus washing
  • Soft washing applications
  • Agricultural equipment cleaning
  • Construction equipment washing
  • Building exterior cleaning
  • Marine and boat cleaning
  • Commercial wash-down operations

Performance Advantages

  • Bi-level design improves cleaning contact on curved surfaces
  • Flow-through construction continuously delivers water through the brush
  • Nylex® bristles provide excellent durability and cleaning performance
  • Outstanding resistance to detergents, acids, and cleaning chemicals
  • Multi-angle design improves cleaning efficiency
  • Brush block will not warp, swell, or absorb chemicals
  • Compatible with telescoping poles for extended reach
  • Ideal for professional fleet washing and maintenance programs
  • Long service life in demanding commercial environments

Why Choose a Flow-Through Brush?

Flow-through brushes offer several advantages:

  • Constant water delivery directly through the brush head
  • Improved rinsing of dirt and contaminants
  • Reduced surface scratching from trapped debris
  • Faster cleaning and rinsing performance
  • Increased efficiency for large-scale washing operations

Maintenance Recommendations

  • Rinse thoroughly after each use, especially after acid or chemical applications.
  • Flush clean water through the brush to remove residue.
  • Inspect bristles regularly for wear or damage.
  • Check threaded connections before operation.
  • Allow the brush to dry completely before storage.
  • Store in a clean, dry location.
  • Replace the brush when bristle wear begins to affect cleaning performance.

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