Seat Sliders: The Foundation of Smoothness, Stability, and Safety


The seat slider (also known as a seat runner) is the core mechanism enabling horizontal fore-and-aft position adjustment in a seating system. It is not only key to achieving optimal driving or working posture for users of all sizes, but also directly impacts the overall stability and safety of the seat. A high-quality slider system must provide effortless, silent, and smooth movement, while remaining absolutely firm once locked.



At Sanbo, we specialize in creating best-in-class sliders through precision roll forming processes and optimized Ball bearing seat slider mechanisms. We strictly control the parallelism and finish of the inner and outer rails to minimize friction during adjustment. Whether for automotive applications demanding the highest safety standards or for office chairs where a smooth experience is paramount, our sliders deliver consistently superior performance.

    A Slider Series for Diverse Applications
    Dual-Locking Sliders
    Dual-Locking Sliders
    Designed for applications requiring the highest safety standards, serving perfectly as robust Engineering machinery seat rails and automotive tracks. Our Double locking seat slider mechanism (including the heavy-duty C-Type double lock seat runner) features independent locking teeth on both rails that engage simultaneously, providing exceptional resistance to impact and vibration, ensuring occupant safety in dynamic environments.
    Single-Locking Sliders
    Single-Locking Sliders
    A versatile, cost-effective option. Our Single lock seat slide rails secure the position using a lock on one side, making them the ideal Gaming chair seat slider mechanism and commercial seating solution. Operating as highly reliable Universal manual seat sliders, they offer convenient, smooth, single-handed operation while ensuring sufficient safety.
    Low-Profile Sliders
    Low-Profile Sliders
    Specifically engineered for applications with extremely limited installation space. Through structural optimization, our Low profile car seat sliders have a significantly lower overall height than conventional rails. We also manufacture dedicated RV passenger seat sliders to free up valuable space for battery packs or electronic modules beneath the seat in motorhomes and EVs.
    Buyer's Guide: Find Your Perfect Match
    Browse Our Seat Slider Series
    Below is a selection of our standard and customizable seat slider models. Click on any product to view detailed specifications, drawings, and available customization options. Your specific product models will be displayed here in a grid layout.
    • Seat Sliders

    Frequently Asked Questions about Seat Sliders

    • Q: What are seat slide rails?
      A: A: Seat slide rails are metal track mechanisms mounted between a vehicle's floor and the seat. They allow the seat to move forward and backward, enabling drivers and passengers of different heights to find a comfortable and safe driving position.
    • Q: What are the main parts of a seat slider?
      A: Typically, a slider consists of two main rails (upper and lower), ball bearings or rollers for smooth movement, a locking mechanism with pins, and a release handle or lever.
    • Q:Need a Fully Custom Slider Solution?
      A: If our standard series doesn't meet your exact needs, our experienced engineering team is ready to develop a unique solution from the ground up. Let's build it together.
    • Q: Can you offer samples ?
      A: Yes,we can supply samples for your evaluation. And normally it’ll take 3-5days. Freight can be collected or prepay to us alternatively.
    • Q: Can you produce seat slider according to our drawings?
      A: Sure,we offer OEM &ODM services. But for new development,we need to charge the mold cost.
    • Q: Are seat sliders universal?
      A: Sliders are designed for specific vehicle makes, models, and years. Furthermore, sliders can differ between the driver and passenger sides. You must ensure compatibility before purchasing replacements. Your need to confirm with us the mounting sizes and working stroke.
    • Q: My seat won't lock in position. What's wrong?
      A: This is usually caused by one of a few common issues:
      Obstruction: Debris, coins, or loose change jammed in the tracks.
      Worn/Broken Locking Pins:The small pins that engage with the holes in the rail can wear down or break.
      Weak/Broken Spring:The spring that pushes the locking pins into place may be fatigued or broken.
      Bent Rails: From impact or forced movement, preventing the mechanism from engaging properly.
    • Q: My seat is hard to slide or feels sticky. Why?
      A: This is often due to a lack of lubrication, accumulated dirt and rust in the tracks, or damaged/bent rollers or ball bearings.
    Need a Fully Custom Slider Solution?