Schlage C604-243 Cylinder Tail...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$18.55
Schlage C604-243 Cylinder Tailpiece and Actuator for AD Series Cylindrical Locks, D Series Knobs, Sargent and Falcon Compatible

Schlage C604-243 Cylinder Tailpiece and Actuator for AD Series Cylindrical Locks, D Series Knobs, Sargent and Falcon Compatible

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Model: C604-243

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

$18.55
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Schlage C604-243 Cylinder Tailpiece and Actuator for AD Series Cylindrical Locks, D Series Knobs, Sargent and Falcon Compatible

The Schlage C604-243 is a commercial-grade cylinder tailpiece and actuator replacement part engineered for compatibility across multiple hardware series. Designed for use with Schlage AD Series Cylindrical Locks and Exits, D Series Non-Hotel Function Knobs, Sargent 6/7L/8L/10 Series (except B Knob), and Falcon B Series (except 611) Non-Modular and D Series Knob/Lever Modular Conventional Cylinders, this component delivers dependable cross-platform performance for professional door hardware applications.

Key Features

  • Broad Series Compatibility: Designed for Schlage AD Series Cylindrical Locks and Exits, ensuring reliable integration with a wide range of commercial locking systems.
  • D Series Support: Compatible with Schlage D Series Non-Hotel Function Knobs for versatile replacement applications in commercial environments.
  • Sargent Series Compatibility: Works with Sargent 6, 7L, 8L, and 10 Series cylinders (except B Knob) for expanded multi-brand serviceability.
  • Falcon B Series Compatibility: Suitable for Falcon B Series (except model 611) Non-Modular installations as well as D Series Knob/Lever Modular Conventional Cylinder configurations.
  • Genuine Schlage Part: Manufactured as an authentic Schlage replacement component, ensuring proper fit, function, and longevity within supported lock systems.
  • Commercial-Grade Construction: Built to meet the demands of commercial door hardware applications where consistent, long-term performance is required.
  • Replacement Part Design: Engineered as a direct replacement to restore original functionality in compatible cylindrical lock and exit hardware without requiring full unit replacement.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Cylinder Tailpiece
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: C604-243
  • Features: Schlage Parts

Typical Applications

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

Why Schlage C604?

Schlage cylinder tailpiece and actuator components are manufactured to exacting commercial standards, ensuring genuine fit and reliable function across a broad range of compatible lock and exit hardware series. The C604-243 is a trusted replacement part for facilities managers and door hardware professionals who require dependable, brand-authentic components to maintain the integrity of their access control and locking systems.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Cylinder Tailpiece
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
C604-243
Features:
Schlage Parts

Schlage C604-243 – Frequently Asked Questions

1) Will the Schlage C604-243 tailpiece work with Sargent or Falcon cylinders, or is it Schlage only?
It crosses brands. The C604-243 tailpiece and actuator is listed for Schlage AD Series cylindrical locks and exits, Schlage D Series non-hotel function knobs, Sargent 6, 7L, 8L and 10 Series (except the B knob), and Falcon B Series (except the 611) non-modular plus Falcon D Series knob/lever modular conventional cylinders. Those two exceptions matter: a Sargent B knob or a Falcon 611 is not covered.
2) Can I use the C604-243 on a Schlage D Series hotel function lock?
No. Coverage is D Series non-hotel function knobs only, so hotel function D Series locks fall outside it. Hotel function uses different cylinder actuation and needs the part specified for that function.
3) Is this part for interchangeable core or conventional cylinders?
Conventional cylinders. The C604-243 is called out for Falcon B Series non-modular and D Series knob/lever modular conventional cylinders, and for Schlage AD and D Series applications using conventional cylinders. Small format interchangeable cores use their own throw member and are not the same part.
4) What exactly is a cylinder tailpiece and actuator, and do I need one when I rekey a lock?
The tailpiece is the flat blade on the back of the cylinder that transmits the key turn into the lock chassis; the actuator is the piece that drives the retractor. You are not rekeying with it, you are restoring the mechanical link between cylinder and lock. Typical reasons to buy the C604-243 are a sheared or bent tailpiece, a cylinder that turns without retracting the latch, or a conventional cylinder swap into an AD or D Series knob that arrived without one.
5) Do I need to buy a whole new lock if the tailpiece on my AD Series is broken?
No. The C604-243 is designed as a direct replacement so you restore original function in a compatible cylindrical lock or exit device without replacing the full unit. For a property manager running a fleet of AD Series openings, that keeps the chassis, trim and keying in place.
6) Is the C604-243 a genuine Schlage part or an aftermarket copy?
Genuine Schlage. It is sold as an authentic Schlage replacement component under model number C604-243, which is what matters if you are maintaining a standardized AD or D Series opening and want the same fit as the original.
7) Is this tailpiece rated for commercial traffic, or is it a residential part?
Commercial. The C604-243 is classified as commercial door hardware and is built for commercial-grade lock and exit applications: offices, schools, healthcare, retail, government buildings, warehouses, and multi-tenant residential. If your lock is a residential Schlage knob or lever, this is not the tailpiece for it.
How fast can I get the Schlage C604-243 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 Schlage C604-243 come with a warranty?
Absolutely. The Schlage C604-243 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 Schlage C604-243?
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 Schlage C604-243 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.
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