Prime-Line M6191 Shower Door Hook Guide – Replacement

Upgrade your sliding tub enclosure door system with the Prime-Line M6191 Shower Door Bottom Hook Guide, a durable replacement part designed for Keystone-brand sliding shower doors. Crafted from high-quality gray plastic, these guides ensure smooth operation by keeping door panels perfectly aligned with their tracks. The adjustable slotted mounting holes simplify installation—no complex adjustments required—while the compact 3″ width and 1.5″ height fit seamlessly into most existing setups.

Ideal for homeowners or contractors maintaining Keystone sliding shower doors, these guides replace worn or damaged components with minimal effort. Each guide requires just two fasteners, and a flat spacer may be needed behind the existing guide for proper fit. Whether you're restoring functionality or preventing misalignment, the M6191 delivers reliable performance for a cleaner, more efficient shower experience.