We are focused on the welfare of our staff and are following the guidelines of local & national authorities.
Our delivery partners are maintaining service with exceptions governed by local conditions. Note however, that expedited service guarantees such as overnight and two day delivery are suspended by the carriers at this time, with no refunds for missed deliveries.

Call or email us if you have questions.

Stay safe!


LCN 4642-3971

Cylinder for LCN 4640 Auto-Equalizer

Price: $1,094.00 /each

SKU: 4642-3971

Standard, non-handed, cast iron cylinder.

Have a question? Need help?
Call Us: 1-866-749-7661

  • In Stock!
  • FREE Shipping
  • No Hassle Returns
  • ×
    Getting shipping methods...

Have a question about this product?


  • Standard, non-handed, cast iron cylinder
  • Non-sized 4640 series cylinder is adjustable from size 2 through size 5 and is shipped set to size 3.
  • For exterior doors 36"-42" and interior doors 36"-54".



Scroll for More Product Information