Best Door Lock Replacement Parts Under $100 (2026)
We scored parts by material quality, user ratings, compatibility (keying and backset), and overall value to produce a ranked list of options under $100
Top Picks
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1
A29 Heavy Duty Cast Iron Horizontal Rim Lock
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
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
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")
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
RiKey Security 4x Tubular Lock Cylinders with 12 Keys, keyed alike
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
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
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
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
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
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