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Sitrak Sill

Sitrak Sill
Sitrak Sill
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What is the Sitrak Sill

  • Sitrak Sill: Engineered for Strength, Sealing, and Stylish Protection​
  • The Sitrak Sill is a critical structural and protective component designed to enhance the durability, safety, and aesthetic appeal of commercial vehicle door openings. Crafted for heavy-duty applications, this assembly includes Left/Right Front and Rear Door Sills, a Door Sealing Strip, and precision fastening components, ensuring reliable performance in harsh environments while maintaining a sleek, professional appearance.​
  • Symmetrical Threshold Design for Complete Coverage​
  • The sill assembly features four primary components engineered for symmetrical functionality:​
  • Left front door sill and Right front door sill (symmetrical to left piece) form the front door thresholds, designed to withstand repeated foot traffic, cargo loading, and accidental impacts.​
  • Left rear door sill and Right rear door sill (symmetrical to left piece) mirror the front design, providing identical protection for rear door openings.​
  • Constructed from high-strength steel or reinforced composite materials, these sills resist dents, scratches, and corrosion, even in salt-laden or wet environments. Their contoured shape aligns seamlessly with the vehicle’s body, creating a smooth transition between the cabin and exterior while reinforcing the door frame’s structural integrity.​
  • Enhanced Sealing System for Weatherproofing​
  • A key feature of the Sitrak Sill is the integrated Door sealing strip, a rubberized component embedded along the threshold edge. This strip creates an airtight, watertight barrier, preventing rain, dust, and road debris from entering the cabin. It also reduces wind noise at high speeds, enhancing occupant comfort and protecting internal components from moisture damage. The sealing strip’s flexible design adapts to door movement, ensuring consistent performance over thousands of opening/closing cycles.​
  • Secure Fastening for Long-Lasting Installation​
  • The sill assembly relies on a robust fastening system to ensure permanent attachment to the vehicle body:​
  • Cross recessed pan head tapping screws and flat washers assemblies secure the sills to the door frame, distributing clamping force evenly to prevent surface damage. These screws feature corrosion-resistant coatings, ideal for prolonged exposure to harsh weather.​
  • Support nut holder components provide additional structural reinforcement, creating stable anchor points for the sills and ensuring they remain aligned even under heavy loads or vibrations.​
  • The precision-engineered fastening system minimizes installation time, making it a cost-effective solution for both OEM manufacturing and aftermarket replacements.​
  • Design Excellence for Commercial Vehicles​
  • Engineered specifically for trucks, vans, and other commercial vehicles, the Sitrak Sill balances form and function:​
  • Durability: Thick gauge materials and impact-resistant coatings ensure the sills outlast daily wear and tear, even in logistics, construction, or delivery fleets.​
  • Aesthetic Integration: The sills’ streamlined profile complements the vehicle’s exterior design, while the symmetrical layout ensures a uniform look across all doors.​
  • Safety Enhancement: The raised threshold edge acts as a visual and tactile guide, reducing the risk of tripping when entering/exiting the cabin, especially in low-light conditions.​
  • Conclusion​
  • The Sitrak Sill is a testament to rugged reliability and intelligent design, offering superior door threshold protection for commercial vehicles. With its symmetrical components, weatherproof sealing strip, and secure fastening system, it delivers lasting performance in the most demanding environments. Whether protecting a new vehicle or restoring an older fleet, trust Sitrak’s expertise for components that prioritize durability, safety, and seamless integration.

Product Parameters of Sitrak Sill

810-#0821-0001 Sill
Serial No.  Drawing No. Name Quantity
1 811W61510-0791 Left front door sill 1
2 811W61510-0790 Right front door sill (symmetrical to left piece) 1
3 810W61510-0787 Left rear door sill 1
4 810W61510-0786 Right rear door sill (symmetrical to left piece) 1
5 810W62651-0107 Door sealing strip 2
6 Q2204855F31 Cross recessed pan head tapping screws and flat washers assemblies 8
7 810W90685-0416 Support nut holder 8
 

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