9-1141-S Bi-Fold Door/Closet Door Repair Kit, for 7/8 in.

Product Overview

This comprehensive bi-fold door repair kit is engineered specifically for restoring functionality to 7/8-inch wide bi-fold door tracks commonly found in closet and interior spaces. Whether you’re a homeowner tackling a DIY fix or a contractor managing multiple installations, this kit delivers all essential replacement components needed for a complete, reliable repair. Designed to support two pairs of hinged bi-folding doors (four panels total), the kit includes top pivots, bottom pivots, top sliders, and all necessary fasteners—ensuring balanced operation across the entire door assembly.

Each component features a durable nylon plastic body paired with a spring-loaded metal pin, combining corrosion resistance with consistent tension for smooth, secure movement. The design prioritizes ease of use: installation, removal, and reinstallation are straightforward processes that require no specialized tools. This makes it an ideal solution not just for emergency repairs but also for routine maintenance and upgrades of aging hardware. Over time, original bi-fold door components can degrade due to wear, misalignment, or environmental factors; this kit provides a direct, universal alternative to worn-out parts without requiring full door replacement.

Key Features

• Complete Repair Solution: Includes two top pivots, two bottom pivots, two top sliders, and all required fasteners—enough to service one full set of four-panel bi-fold doors (two left-side pairs and two right-side pairs).
• Exact Track Compatibility: Optimized for standard 7/8-inch wide bi-fold door tracks equipped with 3/8-inch outside diameter pivots and guides—matching the most common residential configurations.
• Rugged, Long-Lasting Build: Nylon plastic bases resist corrosion and provide structural integrity, while spring-loaded metal pins maintain secure alignment and consistent pressure over time.
• DIY-Friendly Installation: Intuitive design enables quick disassembly and reassembly without tools, making it accessible for homeowners with basic handyman skills.
• Broad Manufacturer Compatibility: Widely adopted by major bi-folding closet door brands, ensuring compatibility across various models and systems as long as they follow standard 3/8-inch pivot specifications.

Technical Specifications

• Pivot Pin Diameter: 1/4 inch (0.25 inches)
• Nylon Base Diameter: 3/8 inch (0.375 inches)—critical for proper fit within track rails
• Track Width Compatibility: Fits standard 7/8-inch wide bi-fold door tracks
• Door Panel Thickness Range: Supports panels from 1 inch to 1-3/8 inches thick
• Weight Capacity per Door Panel: Up to 30 pounds—ideal for lightweight to medium-weight closet doors
• Kit Contents: Two top pivots, two bottom pivots, two top sliders, and all associated fasteners

Benefits & Use Cases

This repair kit excels in scenarios where bi-fold doors exhibit symptoms of hardware failure such as sagging panels, uneven folding, loose hinges, or doors that fail to latch properly. It’s particularly valuable when restoring older bi-fold closet doors where original components have deteriorated due to age or repeated stress. By replacing both top and bottom pivot assemblies simultaneously, the kit ensures even weight distribution along the full height of each door, reducing strain on individual hinges and extending overall system life.

In typical residential applications—such as double-door closet openings—each side contains two narrow panels that fold inward. This configuration often requires coordinated replacement of matching components on both sides to preserve symmetry and smooth operation. The contents of this kit cover exactly that scenario: enough parts to repair two complete pairs (i.e., two left doors and two right doors), which aligns perfectly with standard four-panel bi-fold setups. Its universal nature allows it to work with various brands, provided their internal pivot diameters match the 3/8-inch specification.

Additionally, because the nylon construction resists moisture and wear better than some original plastic components, users may notice improved longevity even beyond the immediate repair. The included fasteners simplify the process by eliminating the need to source separate screws or bolts, though inspecting existing mounting holes for damage remains advisable to prevent stripped threads during installation.

Important Notes

Before purchasing, customers should verify that their current bi-fold door system uses 3/8-inch diameter pivots installed within a 7/8-inch wide track. While this combination represents the industry standard, slight variations between manufacturers could affect fitment. Although the kit is designed for broad compatibility, confirming dimensions ensures optimal performance.

Please note that the color of nylon bases and slider bodies may differ slightly from original OEM parts—colors are not guaranteed and may vary between batches. Always adhere to the specified weight limit of 30 pounds per panel and ensure door thickness falls within the supported range (1″ to 1-3/8″). For best results, inspect existing hardware for signs of cracking, excessive wear, or deformation before beginning installation.

Fasteners are included, but pre-drilling or using thread-locking compounds may be beneficial if mounting surfaces show prior damage. When installing new components, align pivots precisely with track slots and tighten fasteners evenly to avoid binding or uneven movement. Regular lubrication of pivot points with silicone spray can further enhance smoothness and prolong component life.

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