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Multipoint Door Locks and Gearboxes | 3-Point, Mortise, and Shootbolt Locking Systems for Replacement & Upgrades

Multipoint locks secure doors with multiple locking points along the frame, enhancing security and sealing compared to standard single-point locks. This collection features genuine AmesburyTruth multipoint lock gearboxes, mortise lock bodies, and shootbolt systems - ideal for replacing worn components or upgrading entry doors for top-tier performance. Compatible with a wide range of door brands and models, these premium parts help restore reliable operation and strengthen your door security.
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Multipoint door locks and gearboxes are advanced locking solutions designed to provide enhanced security and improved sealing for residential and commercial doors. Unlike traditional single-point locks, multi point locks engage at two, three, or more locations along the door edge,such as the top, middle, and bottom,making forced entry significantly more difficult and helping ensure an airtight, weatherproof seal. These systems are commonly used on entry doors, patio doors, and high-performance windows where durability and protection matter most.

Common Applications & Use Cases

Multipoint locks are widely used in modern entry doors, French doors, and sliding or hinged patio doors from leading manufacturers. Whether you're replacing a failed door lock gearbox on a Marvin, Pella, or custom door, or upgrading to a 3 point mortise lock for better security, these products are engineered for precise fit and long-term performance. They're essential for restoring door function, correcting misalignment, or upgrading to current security standards.

Key Features and Specifications

  • Supports 2-point, 3-point, and 5-point locking systems for various door heights and security needs
  • Available in popular 45/92, 60/92, 35/92 backset and PZ configurations (common in multi point lock gearbox replacement and upgrades)
  • Compatible with American and Euro cylinder designs
  • Rugged steel construction for long-lasting durability
  • Direct fit replacement for major brands, including AmesburyTruth, Ashland, Giesse, Marvin, and Pella multipoint lock replacement applications
  • True OEM multipoint door lock replacement parts,never generic substitutes

Installation and Replacement Tips

When replacing a multipoint lock or gearbox, always measure your door's backset, PZ (handle-to-cylinder spacing), and overall lock length to select the right component. Many homeowners and professionals find direct swap installation straightforward,unscrew the faceplate, remove the old mortise multipoint lock, and install the new lock, ensuring all hooks, bolts, or shootbolts align with existing keeps. For doors with concealed rods or multiple locking points, verify rod length and attachment type. If you're searching for marvin multipoint lock replacement or pella multipoint lock replacement parts, confirm compatibility with door manufacturer specifications.

Some common products in this collection for popular replacements include the P2000 active lock case for American cylinder locks, the P1000 active gearbox for 45/92 mortise setups, and the Ashland XP25 3-point shootbolt multipoint lock for shootbolt systems. For sliding doors and specialty applications, options like the center lock assembly for three-point sliding doors are available.

About Our Brands and Genuine Parts

TruthParts is an authorized reseller of AmesburyTruth, Ashland, and Giesse hardware, ensuring you receive only authentic, high-quality door multipoint lock components. Using original equipment replacement parts,rather than generic or aftermarket alternatives,helps preserve your door's integrity, maintains warranty eligibility, and ensures smooth operation over years of use.

Frequently Asked Questions

  • How do I choose the right multipoint lock replacement? Measure your current lock's backset, PZ, and faceplate size. Match these specifications with our product listings to ensure a direct fit.
  • Are these parts compatible with Marvin or Pella doors? Many of our multipoint lock gearboxes and mortise lock bodies are suitable for Marvin, Pella, and other major brands. Check product descriptions or contact us for confirmation.
  • What's the difference between a gearbox and a multipoint lock? The gearbox is the central operating mechanism. A multipoint lock includes the gearbox and additional components, like extension rods or shootbolts, that engage multiple points on the frame.
  • Do you sell 2-point or 3-point multipoint lock kits? Yes, we offer a variety of two-point and three-point locking systems and compatible gearboxes in multiple configurations.