Sargent 82-4180 Deadbolt Assembly — Genuine OEM Replacement for 8200 & 7800 Series Mortise Locks

The Sargent 82-4180 Deadbolt Assembly is a genuine OEM replacement deadbolt engineered specifically for Sargent 8200 Series and 7800 Series mortise locks. Also referenced as the Sargent 82-4180 mortise lock deadbolt, this factory-authorized component restores the deadbolting function of your Sargent mortise lock to original, as-manufactured performance. Whether you are performing scheduled maintenance, repairing a damaged lock mechanism, or completing a service call on a commercial or institutional door, this is the correct, manufacturer-sourced part — not an aftermarket substitute.

Institutional Grade Features & Benefits

• Genuine OEM Quality: Manufactured by Sargent to exact factory tolerances, ensuring proper fit and reliable deadbolt function within the mortise lock body without modification.
• Direct Drop-In Replacement: Engineered for seamless compatibility with Sargent 8200 Series and 7800 Series mortise lock cases, eliminating guesswork and reducing installation time for locksmiths and facility maintenance teams.
• Restores Full Deadbolt Operation: Returns the mortise lock's deadbolt throw to original specification, maintaining the door's security integrity in commercial, institutional, and high-traffic environments.
• Trusted Sargent Craftsmanship: Backed by Sargent's reputation for heavy-duty, commercial-grade hardware designed to meet the demands of schools, hospitals, government facilities, and office buildings.
• Reduces Downtime: Having the correct OEM part number on hand — 82-4180 — speeds procurement and minimizes door outages during lock servicing.

Applications

The Sargent 82-4180 Deadbolt Assembly is the correct service part for Sargent 8200 Series mortise locks and Sargent 7800 Series mortise locks installed in commercial and institutional buildings including schools, universities, healthcare facilities, government buildings, hotels, and office complexes. It is the go-to replacement for locksmiths, door hardware distributors, and facility maintenance professionals who need a verified OEM deadbolt component.

Technical Details