Schlage C604-348 Cylinder Tail...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$23.34
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Schlage C604-348 Cylinder Tailpiece and Actuator for D85 Lever

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Model: C604-348

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

$23.34
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Schlage C604-348 Cylinder Tailpiece and Actuator for D85 Lever

The Schlage C604-348 is a commercial-grade cylinder tailpiece and actuator replacement part designed specifically for use with the Schlage D85 lever. As a precision-engineered component within the Schlage parts and accessories line, this tailpiece and actuator assembly ensures proper cylinder engagement and lever actuation, restoring full mechanical function to compatible D85 lever locksets in commercial applications.

Key Features

  • Designed Compatibility: Engineered specifically for use with the Schlage D85 lever, ensuring precise fit and reliable mechanical engagement without modification.
  • Cylinder Tailpiece Function: Serves as the critical interface between the cylinder and the lever actuator, enabling smooth and dependable lock operation upon cylinder rotation.
  • Genuine Schlage Part: An authentic Schlage replacement component, manufactured to original specifications for consistent performance and longevity.
  • Commercial-Grade Construction: Built to meet the demands of commercial door hardware applications, providing durability in high-use environments.
  • Replacement Part Convenience: Allows targeted repair of existing D85 lever locksets without requiring full hardware replacement, reducing downtime and cost.
  • Professional Installation Ready: Designed for straightforward integration by qualified door hardware technicians familiar with Schlage cylindrical lockset components.

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: C604-348
  • Features: Schlage Parts

Typical Applications

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

Why Schlage C604?

Schlage replacement parts like the C604-348 are manufactured to the same exacting standards as original equipment, ensuring that repaired locksets perform with the reliability expected from commercial-grade Schlage door hardware. By using genuine Schlage components, facilities professionals can maintain the mechanical integrity of D85 lever assemblies and extend the service life of installed hardware in demanding commercial environments.

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:
C604-348
Features:
Schlage Parts

Schlage C604-348 – Frequently Asked Questions

1) What does the Schlage C604-348 tailpiece and actuator actually do in a D85 lever lockset?
The C604-348 is the link between the cylinder and the lever mechanism on a Schlage D85 lever. When the key turns the cylinder, the tailpiece drives the actuator, which retracts or releases the lock. If a D85 lever turns freely with the key but nothing happens mechanically, a worn or broken tailpiece/actuator is the usual culprit, and this is the genuine Schlage part for that repair.
2) Will the C604-348 fit any Schlage lever, or only the D85?
Only the D85. Schlage builds the C604-348 tailpiece and actuator specifically for the D85 lever, so it drops in without modification there. If you have a different Schlage cylindrical lever function or another series, this is not the correct part number for it.
3) Do I have to replace the whole lockset, or can I just swap the tailpiece?
You can repair in place. The C604-348 is a replacement part, so a maintenance tech can restore key function on a D85 lever without pulling and replacing the entire lockset. That matters for property managers and MRO crews keeping a door in service, and it keeps the existing keying and finish on the opening.
4) Is the C604-348 a genuine Schlage part or an aftermarket copy?
Genuine Schlage. It is built to original equipment specification, which matters on a tailpiece because the length and the actuator engagement are what determine whether the key throws the mechanism cleanly. An aftermarket tailpiece cut to an approximate length is the common cause of a key that turns partway and binds.
5) Do I need to rekey or replace the cylinder when I install this tailpiece?
No. The C604-348 replaces the tailpiece and actuator only, not the cylinder, so your existing keyway and key bitting on the D85 are untouched. Facilities running a master key system can repair the door and keep it on the same key schedule.
6) Is this a commercial part or a residential one?
Commercial. Schlage classifies the C604-348 as commercial door hardware, and the D85 lever it serves is a commercial cylindrical lockset used in offices, schools, healthcare, retail, warehouses, multi-tenant residential and government buildings.
7) Who should install a Schlage cylinder tailpiece and actuator?
This is a locksmith or a door hardware tech job. Installing the C604-348 means taking the D85 lever apart far enough to reach the cylinder and actuator, so it assumes someone familiar with Schlage cylindrical lockset internals. It is not a part a tenant swaps with a screwdriver.
How fast can I get the Schlage C604-348 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 C604-348 come with a warranty?
Absolutely. The Schlage C604-348 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 C604-348?
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 C604-348 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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