AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring: 2 PK (MPN SP-3S)
The AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring (2 PK, MPN SP-3S) is a material handling part designed for use with garage doors that have a 1-1/2 in x 3/8 in bolt and nut and a 3 in pulley. This product is…
SKU 3G-OTH-341087
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Product Description
The AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring (2 PK, MPN SP-3S) is a material handling part designed for use with garage doors that have a 1-1/2 in x 3/8 in bolt and nut and a 3 in pulley. This product is supplied by AMERICAN GARAGE DOOR SUPPLY.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring used for?
This fork extension spring is used to counterbalance garage doors that have a 1-1/2 in x 3/8 in bolt and nut and a 3 in pulley. It helps lift and lower the door safely by storing and releasing mechanical energy. It is a material handling part supplied by AMERICAN GARAGE DOOR SUPPLY.
What are the specifications of the AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring?
The AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring (MPN SP-3S) comes in a 2-pack. It is designed for use with garage doors that have a 1-1/2 in x 3/8 in bolt and nut and a 3 in pulley. The product type is fork extension spring, and it is supplied by AMERICAN GARAGE DOOR SUPPLY.
Where to buy the AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring worldwide?
You can source the AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring (SP-3S) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the AMERICAN GARAGE DOOR SUPPLY Fork Extension Spring?
To install this fork extension spring, first ensure the garage door is fully closed and secured. Attach the spring to the 1-1/2 in x 3/8 in bolt and nut and route it over the 3 in pulley. Always follow standard garage door safety procedures and consult a professional if unsure. Proper tension adjustment is critical.
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3G Electric supplies AMERICAN GARAGE DOOR SUPPLY material handling parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









