Schlage C604-089 Replacement B...
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$45.35
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Schlage C604-089 Replacement Bracket for Dura Steel Mailbox

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Model: C604-089

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

$45.35
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Schlage C604-089 Replacement Bracket for Dura Steel Mailbox

The Schlage C604-089 is a purpose-built replacement bracket designed specifically for use with Schlage Dura Steel Mailbox installations. As a genuine Schlage part, this bracket ensures a proper fit and reliable performance when restoring or completing a Dura Steel Mailbox assembly. Intended for commercial applications, this replacement component helps maintain the integrity and security of your mailbox hardware without the need for improvised or incompatible alternatives.

Key Features

  • Genuine Schlage Part: Manufactured to Schlage specifications, ensuring direct compatibility and proper fit with Dura Steel Mailbox assemblies.
  • Purpose-Built Design: Engineered specifically for use with the Schlage Dura Steel Mailbox, eliminating guesswork and ensuring seamless integration with existing hardware.
  • Commercial-Grade Construction: Built to the quality standards expected of Schlage commercial door hardware for dependable long-term performance.
  • Replacement Part Convenience: Restores full functionality to an existing Dura Steel Mailbox installation without requiring full hardware replacement.
  • Easy Integration: Designed to integrate directly with compatible Schlage Dura Steel Mailbox components for straightforward servicing.

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: Cylinders
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: C604-089
  • Features: Schlage Parts

Typical Applications

  • Commercial Office Buildings with Mailbox Installations
  • Multi-Tenant Residential Properties
  • Government and Municipal Mail Distribution Points
  • Educational Facilities with Centralized Mail Areas
  • Retail and Mixed-Use Developments
  • Property Management and Apartment Complexes
  • Industrial and Warehouse Facilities with Mail Stations

Why Schlage C604-089?

Schlage replacement parts are manufactured to the same exacting standards as original components, ensuring that your Dura Steel Mailbox hardware performs as intended after servicing. Choosing a genuine Schlage replacement bracket over aftermarket alternatives protects the reliability and integrity of your mailbox installation 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:
Cylinders
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
C604-089
Features:
Schlage Parts

Schlage C604-089 – Frequently Asked Questions

1) What exactly is the Schlage C604-089, and what does it fit?
The C604-089 is a replacement bracket for Schlage Dura Steel Mailbox assemblies. It is a genuine Schlage part made for that mailbox specifically, so it is not a generic mounting bracket and is not intended for other mailbox lines. If you are servicing a Dura Steel Mailbox and the bracket is bent, corroded, or missing, this is the piece that restores the assembly without replacing the whole unit.
2) Is the C604-089 bracket a cylinder or a lock?
It is neither. The C604-089 is a mounting bracket only, sold as a Schlage replacement part. It contains no cylinder, no plug, and no keys, so if your mailbox lock itself is failing you need a lock or cylinder, not this bracket.
3) Can a replacement mortise or rim cylinder be used in place of the Schlage C604-089?
No. The C604-089 is a replacement mounting bracket for Schlage Dura Steel Mailbox assemblies, not a keyed lock component, so a cylinder does not substitute for it. Cylinders such as the Detex MC65 mortise cylinder with Schlage C keyway or the Corbin Russwin 1000 Grade 1 mortise cylinder are the locking core of a door lock and have no bracket function. If the mailbox bracket is broken or missing, the bracket itself is what has to be replaced; a cylinder order will not restore the mounting.
4) Is the Schlage C604-089 bracket rated for commercial mailbox installations?
Schlage classes the C604-089 as a commercial door hardware part, and it is used in office buildings, multi-tenant residential properties, municipal mail points, schools, and apartment mail rooms. For a property manager standardizing repairs across a building's mail bank, ordering the genuine bracket keeps every station on the same hardware rather than mixing improvised plates.
5) Can I use an aftermarket bracket instead of the Schlage C604-089?
The bracket is built to Schlage's own dimensions for the Dura Steel Mailbox, so a substitute plate has to match the existing hole pattern and the mailbox's steel body. Nothing else in Schlage's parts line is published as a cross-fit for it, which is why the genuine bracket is the safe order for that assembly.
6) My mailbox cylinder is worn out, not the bracket. What should I be looking at instead?
You want a cylinder, not a bracket. Depending on the lock you are replacing, a key-in-knob style replacement cylinder such as the Kaba Ilco 1599 or a mortise cylinder like the Detex MC65 in Schlage C keyway covers common mailbox and cabinet-style lock swaps. Match the keyway, cylinder length, and tailpiece or cam to the lock body you are pulling out.
7) If the mailbox lock itself needs rekeying rather than the bracket, what should be ordered?
The C604-089 is a bracket and carries no keying, so rekeying work points to a cylinder instead. Interchangeable core options such as the BEST 1C Series standard 5-pin cylinder core or the BEST Peaks 1CB 150 Series interchangeable core cylinder let a core be swapped without removing the housing, while a fixed housing such as the Corbin Russwin 1070 6-pin mortise housing with A01 cloverleaf cam is keyed as a unit. The bracket and the keyed component are separate line items and are usually ordered together only when both are being serviced at once.
8) Is there a generic aftermarket bracket that fits the Dura Steel Mailbox instead of the Schlage part?
The C604-089 is built to Schlage specifications for direct fit with Dura Steel Mailbox assemblies, so hole pattern and dimensions follow that assembly rather than any common standard. Universal parts in the adjacent category are cylinders, not brackets - for example the Kaba Ilco 1539 Series key-in-knob and lever universal cylinder is a universal fit for lock bodies, which is a different kind of part entirely. For the mailbox mounting, matching the Schlage bracket to the Schlage assembly is what keeps the fit correct without drilling or improvised hardware.
9) How many pieces come in a Schlage C604-089 order?
The C604-089 is sold as a single part number with one configuration, so there are no size, finish, or handing choices to specify. Order the quantity of brackets you need for the number of mailbox stations being serviced.
10) For a storefront or glass door application rather than a mailbox, what part fills a similar mounting role?
The C604-089 is specific to Schlage Dura Steel Mailbox hardware and is a commercial door hardware part, so it does not carry over to a storefront door. On aluminum storefront, the Adams Rite 4024 cylinder pull with trim plate mounting is the part that combines a cylinder with a mounting plate for MS1847 deadlock systems, and the Adams Rite 4025 five pin tumbler cylinder pull uses through-screws for the same MS1847 deadlock. For wood doors, the Adams Rite 4026 five pin tumbler cylinder pull is intended for the 5017 wood door deadlock or deadlatch.
11) What is the difference between ordering the C604-089 and ordering a dummy cylinder to fill the opening?
They solve opposite problems. The C604-089 restores the mounting bracket so a Dura Steel Mailbox assembly holds together as designed. A dummy cylinder such as the BEST 12E Series dummy rim cylinder with a 1-5/32 inch diameter fills a cylinder hole with a non-functioning plug where no keyed operation is wanted. If the hardware is loose or unsupported, the bracket is the fix; if a cylinder hole needs to be closed off with no key function, the dummy cylinder is the fix.
How fast can I get the Schlage C604-089 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 C604-089 come with a warranty?
Absolutely. The Schlage C604-089 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 C604-089?
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 C604-089 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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