Best Door Lock Replacement Parts (2026 Guide)
We selected items by combining overall ratings, review volume, material and compatibility specs (backset, cylinder type), and common use cases like storefronts, storage, and inward doors
The Verdict
- Best Overall: A29 Heavy Duty Cast Iron Horizontal Rim Lock — Best heavy-duty rim option: cast-iron horizontal rim lock built for durable door replacement and high-wear use
- Best Value: RiKey Security 4x Tubular Lock Cylinders with 12 Keys, keyed alike — Best tubular keyed-alike set: four tubular cylinders with a common key for consistent access across multiple locks
This roundup covers top-rated door lock replacement parts and accessories for residential and light-commercial doors, selected for durability, common fit dimensions, and documented user feedback. Picks were chosen by aggregating product ratings, review volume, and key attributes like material, backset compatibility, and keyed-alike options
Top Picks
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1
Best Overall A29 Heavy Duty Cast Iron Horizontal Rim Lock
Best heavy-duty rim option: cast-iron horizontal rim lock built for durable door replacement and high-wear use
A heavy-duty cast iron rim lock with a black powder-coated finish. Provides a historic look and is easily reversible for door handedness. Customers note good fit and value, with some latch quality concerns
- cast iron durability
- black powder coat finish
- handmade, authentic look
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2
A29 Heavy Duty Rim Lock - Backset 2 3/8 in, Cast Iron, Black
Best reversible rim lock: cast-iron rim lock with reversible handing and common 2 3/8 in backset compatibility
A29 vertical rim lock set in heavy-duty cast iron with a black powder-coated finish. Easy reversible for right or left doors; durability and vintage look noted. Customer insight: fits handmade doors and offers good value
- heavy-duty cast iron
- black powder coat finish
- easy reversible for handedness
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3
Kwikset Key Blanks Box 250 by JMA
Best for locksmiths: bulk box of Kwikset key blanks ideal for rekeying and high-volume key cutting needs
Durable brass Kwikset key blanks in a JMA box for versatile use. High-quality construction offers reliable function, with an elegant brass finish. Customer feedback notes solid quality but mixed opinions on fit
- durable brass material
- reliable performance
- elegant brass finish
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4
Door Security Bar by Doorricade for inward doors (up to 32")
Best inward-door reinforcement: security bar designed to brace inward-swinging doors up to 32 inches wide
Durable door security bar with solid metal construction and stainless-steel hinge brackets for inward-opening doors. Provides high resistance when installed across door width; includes clear instructions. Customer insight notes easy installation and strong security
- sturdy stainless-steel hinge brackets
- solid metal bar with high resistance
- wall stud support on both sides
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5
Best Value RiKey Security 4x Tubular Lock Cylinders with 12 Keys, keyed alike
Best tubular keyed-alike set: four tubular cylinders with a common key for consistent access across multiple locks
Tubular lock cylinders with self-locking tech. Includes 4 cylinders and 12 matching tubular keys. Customers note quality and good fit for storage units
- tubular lock with self-locking feature
- keyed-alike, 4 cylinders with 12 keys
- compatible with storage units and roll-up doors
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6
AST double door security lockout device for french doors
Best for french doors: double-door lockout device that secures paired doors and works with standard knobsets
Sturdy double door lockout device made of diecast aluminum with a unibody design and 3 keys included. Provides extra security for knobset and handleset; easy to install. Customers say it’s effective for French doors and double doors, though some note lockability can be challenging
- diecast aluminum alloy build
- includes 3 keys
- adjustable to fit multiple door types
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7
Alsecure Mortise Door Lock for aluminum storefronts 1-1/8 backset
Best storefront mortise fit: mortise lock sized for aluminum storefronts with a 1-1/8 inch backset for commercial doors
Mortise door lock cylinder for storefront/aluminum doors. Solid brass cylinder offers reliability and durability; easy to install and fits well, based on customer feedback
- solid brass cylinder
- rust-proof and durable
- designed for commercial storefront doors
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8
Seco-Larm Mini No-Cut Electric Door Strike, indoor use
Best no-cut electric solution: mini electric strike that installs without door frame cutting for indoor cylindrical locks
Electronic door strike that converts cylindrical locks to access-controlled locking. Fail-secure operation keeps door locked if power is lost. Includes no-cut stainless steel keeper and low-cut strike plates; compatible with various lock setups and optional digital keypad
- fail-secure operation
- includes stainless steel keeper
- works with most cylindrical locks
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9
RiKey 5x Storage Cylinder Locks (Keyed Alike) with 3 Tubular Keys, 19mm
Best storage cylinder pack: multiple keyed-alike storage cylinders suited for locker and unit security installations
Tubular lock set with 5 cylinders and 15 tubular keys. Self-locking technology allows locking with or without keys. Customers note good quality and a perfect fit for storage units
- 5 cylinders keyed alike
- 3 tubular keys per cylinder set
- self-locking technology
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10
Storefront door mortise lock cylinder with thumbturn, aluminum cam
Best mortise cylinder with thumbturn: storefront mortise cylinder featuring an aluminum cam and integrated thumbturn
Mortise lock cylinder with thumbturn and Adams Rite style cam in aluminum. Easy to install and fits glass doors. One customer notes it’s perfect for commercial use
- easy installation
- glass-door compatibility
- Adams Rite style cam