LCN 4031-3071 Cast Iron Cylind...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$420.00
$347.70
LCN 4031-3071 Cast Iron Cylinder Assembly for Door Closers with Aluminum Finish

LCN 4031-3071 Cast Iron Cylinder Assembly for Door Closers with Aluminum Finish

(No reviews yet) Write a Review

Model: 4031-3071

In Stock (leaves warehouse same day if ordered before 3pm ET)

$420.00
$347.70
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

LCN Cast Iron Cylinder Assembly for 4030 Series Door Closers with Aluminum Finish

Professional Door Closer Replacement Component

The LCN Cast Iron Cylinder Assembly (Model 4031-3071) is a standard replacement component designed specifically for 4030 Series door closers. This non-handed cylinder assembly features durable cast iron construction with an aluminum finish for reliable performance in commercial applications. ADA compliant design ensures accessibility compliance in professional installations.

Professional Features & Benefits

  • 4030 Series Compatibility: Engineered specifically for LCN 4030 Series door closers for precise fit and reliable operation.
  • Cast Iron Construction: Durable cast iron material provides long-lasting performance in demanding commercial environments.
  • Non-Handed Design: Universal configuration eliminates handing concerns for simplified inventory and installation.
  • Standard Cylinder Assembly: Complete cylinder unit provides comprehensive replacement solution for worn or damaged components.
  • Aluminum Finish: Professional aluminum finish offers corrosion resistance and aesthetic appeal for commercial applications.
  • ADA Compliance: Meets ADA requirements for accessibility in commercial door control applications.
  • Commercial-Grade Quality: Designed for commercial use where reliable door control performance is essential.

Technical Specifications

  • ADA Compliant: Yes
  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Parts and Accessories Type: Replacement Parts
  • Product Attribute: Parts and Accessories
  • Product Category: Door Controls
  • Product Group: Door Controls
  • Product Model: 4031-3071
  • Product Subgroup: Parts and Accessories
  • Product Type: Door Closer Parts and Accessories
  • Series: 4030 Series
  • Subcategory: Parts and Accessories

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose LCN Quality?

LCN door closer components deliver professional-grade reliability with cast iron construction engineered for demanding commercial applications. ADA compliant design ensures accessibility compliance while maintaining dependable door control performance. Precision-manufactured for 4030 Series compatibility where consistent operation is essential.

Manufacturer Resources

LCN Full Line Catalog

Product Specs

Series:
4030 Series
Subcategory:
Parts and Accessories
Product Group:
Door Controls
Product Subgroup:
Parts and Accessories
Product Type:
Door Closer Parts and Accessories
Commercial/Residential:
Commercial
ADA Compliant:
Yes
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Product Model:
4031-3071
Product Category:
Door Controls
Department:
Door Hardware

LCN 4031-3071 – Frequently Asked Questions

1) What is the LCN 4031-3071 cylinder assembly and what does it replace on a door closer?
It's the main cylinder body of an LCN 4030 Series door closer, sold as a complete replacement unit rather than a rebuild kit. Cast iron construction, aluminum finish. When the closer body itself is leaking oil, has lost hydraulic control, or the internals are worn past adjustment, this is the component that gets swapped rather than replacing the entire closer assembly.
2) Will the LCN 4031-3071 cylinder fit any LCN closer, or only the 4030 Series?
Only the 4030 Series. The 4031-3071 is built to the 4030 Series closer body and is not a universal cylinder across LCN's closer lines. If the closer on the door carries a different LCN series number, this part is the wrong one, and ordering by the series stamped on the existing closer body is the way to get it right.
3) Do I need to order a left hand or right hand version of the 4031-3071 closer cylinder?
No handing to specify. The 4031-3071 cylinder assembly is non-handed, so one part number covers both left hand and right hand openings. For a property manager or facilities group stocking spares across a building, that means a single line item on the shelf instead of two.
4) Does the 4031-3071 come with the arm and mounting hardware, or is it the closer body only?
Cylinder assembly only. The 4031-3071 is the closer body itself, an aluminum finish cast iron unit. The arm, shoe, brackets, and screw pack are separate 4030 Series items, so anything on the existing installation that is bent or stripped has to be ordered alongside it.
5) Is the 4031-3071 door closer cylinder rated for commercial traffic or is it a residential part?
Commercial. The 4031-3071 is specified for commercial use, and the cast iron cylinder body is the reason: office buildings, schools, healthcare, retail, warehouses, multi-tenant residential, and government facilities all run the 4030 Series on high-cycle openings. It is not a light-duty residential closer part.
6) Should I replace the closer cylinder or just buy a whole new door closer?
Depends on what failed. If the arm, shoe, or mounting bracket is bent or the frame prep has changed, a full closer is the cleaner job. If the closer body is the failure, oil weeping from the cylinder, no speed control left, sweep and latch no longer adjustable, then the 4031-3071 cylinder assembly puts the opening back in service while keeping the existing arm and mounting in place. Replacing the cylinder alone also keeps the door matched to the other 4030 Series openings in the building.
7) What finish does the LCN 4030 Series replacement cylinder come in?
Aluminum finish, and it is the only way the 4031-3071 is supplied. On a closer that is being repaired rather than replaced, that is worth checking against what is on the door: if the existing closers were ordered in a painted or plated finish to match trim, a swapped cylinder will read differently from the neighbouring openings even though it functions identically.
8) Why is a cast iron closer cylinder better for a high traffic entrance than a lighter body?
Cast iron holds the hydraulic bore dimensionally stable under the pressure and heat cycling a busy entrance puts through a closer, which is what keeps the sweep and latch adjustments where the installer set them. The 4030 Series cylinder is cast iron for that reason, and it is why the series turns up on main entrances, corridor doors, and stairwells in commercial buildings rather than on light interior doors.
How fast can I get the LCN 4031-3071 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the LCN 4031-3071 come with a warranty?
Absolutely. The LCN 4031-3071 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the LCN 4031-3071?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the LCN 4031-3071 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!