Prime Line Products Gd 52108 4 in Galvanized Pulley

Product Description

The PRIME LINE PRODUCTS GD 52108 is a 4-inch heavy-duty galvanized steel pulley designed for garage door systems. It includes a galvanized steel strap and axle bolt and is built with a case-hardened steel race and steel ball bearings for reliable, low-friction operation. The pulley comes factory lubricated and is rated to support steel cables up to 3/16 inch in diameter. Suitable for both stationary and spring pulley positions, this is a single-pack unit intended for professional garage door installation and service work.

This pulley is used in residential garage door cable and pulley systems. It fits into stationary or spring pulley positions depending on the door configuration. The included strap and axle bolt allow for direct mounting without sourcing separate hardware. Garage door service technicians and contractors will find this unit ready to install out of the package due to the factory lubrication applied at the time of manufacture.

Key Features

• 4-inch galvanized steel pulley for corrosion resistance in garage environments
• Case-hardened steel race with steel ball bearings for smooth, durable operation
• Supports steel cables up to 3/16 inch in diameter
• Factory lubricated — no pre-installation lubrication required
• Compatible with stationary and spring pulley positions
• Includes matching galvanized steel strap and axle bolt

Compatibility

Designed as an OEM-style replacement pulley for residential garage door cable systems requiring a 4-inch pulley at stationary or spring positions with steel cable up to 3/16 inch in diameter.

Installation Notes

Installation should be performed by a qualified garage door technician. Before servicing, disengage the garage door opener and release spring tension according to safe service procedures — high-tension spring systems can cause serious injury if improperly handled. Verify cable diameter does not exceed 3/16 inch before installing this pulley. Follow all applicable local codes and manufacturer guidelines for garage door hardware replacement.