Garage Door Extension Spring Hardware

3" Heavy Duty Pulley
Garage Door Pulley

· Part #: PU-30H
· 3/8" Bore
· Lasts twice as long as the standard 3" pulley
Fork for 3" Pulley
Garage Door Pulley Fork

· Part #: PF-3
Extension Springs

· Extension spring prices
4" Pulley
Garage Door Pulley

· Part #: PU-40
Fork for 4" Pulley
Garage Door Pulley Fork

· Part #: PF-4
Cable for Extension Springs
Garage Door Cable Drums

· See: Cable and Fittings

· See: Fasteners
Extension Spring Clips
Garage Door Pulley Fork

· Part #: SPC-112
· Part #: SPC-212 (Pictured)
· Part#: SPC-400

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Prices Subject to Change

Since 1997 the Gold Standard for Online Garage Door Parts


Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.

Shelves packed with every part you need to fix your doors.

Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.