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Buying in Bulk? Call 631-561-5006 for Wholesale Pricing!

MARKS LOCKS REPLACEMENTS

When it comes to quality, few brands measure up to Marks Locks. Countryside Locks is proud to offer the highest quality selection on the web at the best prices.

Why Marks Locks?

Marks Locks is known first and foremost for their quality. Their reputation among Locksmiths is the top in the industry. In addition to this quality, Marks USA is known for their wide variety in their product line.

Marks Locks doesn’t just specialize in one style of lock, but rather, everything from Cylindrical Locks, Tubular Locksets, Deadbolts, and even custom designed locks.

All of this, paired with Marks USA’s amazing warranty make Marks Locks the winning brand for any project you have.

Why Countryside Locks for your Marks Locks?

Countryside takes pride in offering products recommended by top Locksmiths. We make those recommendations because that’s who we are. We have been using Marks Locks for over 20 years in many projects.

The products featured on our site are our top picks for a number of reasons including ease of use and price.

If you have any questions, please contact us and we can help you.

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  • Marks Metro Solid 1-1/8" Mortise Cylinder for marks 91A SC4 Keyway-Countryside Locks
    Marks Metro Solid 1-1/8" Mortise Cylinder for marks 91A SC4 Keyway-Countryside Locks
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    Marks Metro Solid 1-1/8" Mortise Cylinder for marks 91A SC4 Keyway

    Marks USA
    In stock

    Marks Metro Solid 1-1/8" Mortise Cylinder Keyed Different, specially designed with a polished brass body and satin chrome core. This cylinder...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • DSL-Mortise Lock Narrow Style Brass Finish Single Cylinder Face-7-1/2"X3/4" Backset-7/8" Made By Wright Lock-Countryside Locks
    Sold out
    $129.99
    $129.99 - $129.99
    $129.99
    $89.99
    $89.99 - $89.99
    $89.99

    DSL-Mortise Lock Narrow Style Brass Finish Single Cylinder Face-7-1/2"X3/4" Backset-7/8" Made By Wright Lock

    Marks USA
    Out of stock

    DSL-MORTISE LOCK NARROW STYLE BRASS FINISH SINGLE CYLINDER FACE-7-1/2"X3/4" BACKSET-7/8" THIS LOCK IS FOR SECURITY GATE STORM DOORS 

    $129.99
    $129.99 - $129.99
    $129.99
    $89.99
    $89.99 - $89.99
    $89.99
    Sold out
  • Door Knob Dull Chrome Spindle Kit A Replacement For Metro Mortise Lock Set Like Marks 91A-Countryside Locks
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Door Knob Dull Chrome Spindle Kit A Replacement For Metro Mortise Lock Set Like Marks 91A

    Em-D-Kay
    In stock

    Em-D-Kay Knob Spindle KitReplacement trim for surface mount mortise lock set.Features: Dull Chrome knobs with 2 set screws 9/32" x 4-3/4" thread...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Marks #2621 Polished Brass US3 Euro Profile Single Cylinder-Countryside Locks
    Marks #2621 Polished Brass US3 Euro Profile Single Cylinder-Countryside Locks
    $54.99 - $59.99
    $54.99 - $59.99
    $54.99 - $59.99
    $54.99

    Marks #2621 Polished Brass US3 Euro Profile Single Cylinder

    Marks USA
    In stock

    Marks #2621 Polished Brass US3 Euro Profile Single Cylinder, typically used with the Marks 2750 mortise Thinline lock. Designed for storm doo...

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    $54.99 - $59.99
    $54.99 - $59.99
    $54.99 - $59.99
    $54.99
  • Like Marks New Yorker 7NY10A/3 5700AR Polished Brass US3 Mortise Entry Lockset Lock Set 2-3/4" Backset, 1-1/4" x 8" Wide Faceplate-Countryside Locks
    $89.99 - $89.99
    $89.99
    $89.99 - $89.99
    $89.99

    Like Marks New Yorker 7NY10A/3 5700AR Polished Brass US3 Mortise Entry Lockset Lock Set 2-3/4" Backset, 1-1/4" x 8" Wide Faceplate

    Em-D-Kay
    In stock

    Em-D-Kay (Like Marks New Yorker 7NY10A/3) 5700AR Polished Brass US3 Right Hand Mortise Entry Entrance Lockset Through-Bolted Screw less Knobs...

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    $89.99 - $89.99
    $89.99
    $89.99 - $89.99
    $89.99
  • Mortise Lock Cylinder, Turn Knob, Standard Cam, 1.15" Diameter x 1-1/8" Length, Bright Brass-Countryside Locks
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Mortise Lock Cylinder, Turn Knob, Standard Cam, 1.15" Diameter x 1-1/8" Length, Bright Brass

    KABA ILCO
    In stock

    These cylinders are machined from solid brass bar stock. All cylinders are manufactured to OEM specifications. Our selection of cylinders are an in...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • One Pair Of Cylinder Collar With Spring Rings Will Fit Marks 22AC-Countryside Locks
    One Pair Of Cylinder Collar With Spring Rings Will Fit Marks 22AC-Countryside Locks
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99

    One Pair Of Cylinder Collar With Spring Rings Will Fit Marks 22AC

    EM D KAY
    In stock

    Em-D-Kay #5122COLLAR Pair of Polished Brass Or Satin Nickel Cylinder Collar With Spring. For ornamental iron gate mortise lock set. Finish: Polis...

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    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99
  • EM-D-KAY Mortise Lock Body Fits Marks 22 AC Mortise Lock-Countryside Locks
    EM-D-KAY Mortise Lock Body Fits Marks 22 AC Mortise Lock-Countryside Locks
    Sale Sale
    $89.99
    $89.99 - $89.99
    $89.99
    $49.99
    $49.99 - $49.99
    $49.99

    EM-D-KAY Mortise Lock Body Fits Marks 22 AC Mortise Lock

    Marks USA
    In stock

    EM-D-KAY MORTISE LOCK BODY FOR ORNAMENTAL IRON GATES   EM-D-KAY Hardware, 90 Series Mortise Lock Model: 90 Series: primarily used on ornamental st...

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    $89.99
    $89.99 - $89.99
    $89.99
    $49.99
    $49.99 - $49.99
    $49.99
    Sale Sale
  • Marks Lock Brass Mortise Strike Plate (Large Hole) 4-7/8"-Countryside Locks
    $14.99 - $14.99
    $14.99
    $14.99
    $14.99 - $14.99
    $14.99

    Marks Lock Brass Mortise Strike Plate (Large Hole) 4-7/8"

    Marks USA
    In stock

    Material: Steel Finish: Brass Plated Overall Size: 4-7/8" Cutout Size: 3/4" Wide X 2-3/4" Tall Large Hole For Use With Mortise Locks Com...

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    $14.99 - $14.99
    $14.99
    $14.99
    $14.99 - $14.99
    $14.99
  • Ornamental Iron Gate Double Cylinder Mortise Lockset Dull Chrome-Countryside Locks
    $99.99 - $99.99
    $99.99
    $99.99 - $99.99
    $99.99

    Ornamental Iron Gate Double Cylinder Mortise Lockset Dull Chrome

    EM D KAY
    In stock

    EM-D-KAY Heavy Duty ORNAMENTAL Iron Gate Double Cylinder Mortise Lockset 2-1/2" Backset 1"X 7-1/8" Faceplate Polish Brass Fits The Marks 22AC Exter...

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    $99.99 - $99.99
    $99.99
    $99.99 - $99.99
    $99.99
  • Marks USA 9117 Turnpiece For A Mortise Lockset 22AC-Countryside Locks
    Marks USA 9117 Turnpiece For A Mortise Lockset 22AC-Countryside Locks
    $38.99 - $38.99
    $38.99
    $38.99 - $38.99
    $38.99

    Marks USA 9117 Turnpiece For A Mortise Lockset 22AC

    Marks USA
    In stock

    Marks USA 9117/3 Turnpiece For A Mortise Lockset. Most commonly associated with the Marks 22 series locks.

    $38.99 - $38.99
    $38.99
    $38.99 - $38.99
    $38.99
  • Escutcheon Plate With Solid Brass Door Knob and Zinc Alloy Turner-Countryside Locks
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Escutcheon Plate With Solid Brass Door Knob and Zinc Alloy Turner

    Em-D-Kay
    In stock

    ESCUTCHEON PLATE 2-1/4"X7" WITH SOLID BRASS DOOR KNOB & ZINC ALLOY TURNER

    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Marks Polished Brass Cylinder Collars-Countryside Locks
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99

    Marks Polished Brass Cylinder Collars

    Marks USA
    In stock

    Marks Polished Brass Cylinder Collars. For the marks 22AC. Protects the cylinder from gripping and prying.

    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99
  • Marks Metro 91A/3 Surface Mount Plate For 91A Mortise Lock-Countryside Locks
    $12.99 - $12.99
    $12.99
    $12.99 - $12.99
    $12.99

    Marks Metro 91A/3 Surface Mount Plate For 91A Mortise Lock

    Marks USA
    In stock

    Marks Metro 91A/3 Surface Exterior Plate For 91A Mortise Lockset. Polished Brass Finish Replacement For Marks 91A, 71A Exterior Plate Size is 10...

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    $12.99 - $12.99
    $12.99
    $12.99 - $12.99
    $12.99
  • Progressive 2600/3 - 2 1/4 Replacement Knob Set - Solid Brass-Countryside Locks
    Sale Sale
    $25.99
    $25.99 - $25.99
    $25.99
    $14.99
    $14.99 - $14.99
    $14.99

    Progressive 2600/3 - 2 1/4 Replacement Knob Set - Solid Brass

    Marks USA
    In stock

    Solid brass,2-1/4" replacement knob set.Double set screws and supplied with 3-1/2" straight spindle. Packed one pair in a box. Standard thread is 2...

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    $25.99
    $25.99 - $25.99
    $25.99
    $14.99
    $14.99 - $14.99
    $14.99
    Sale Sale
  • Marks 6A/3, 6 Series Grade 2 for Handlesets Design, Polished Brass, Entrance Lock Set, Sectional Mortise Entry Lockset Body Only-Countryside Locks
    $229.99 - $229.99
    $229.99
    $229.99
    $229.99 - $229.99
    $229.99

    Marks 6A/3, 6 Series Grade 2 for Handlesets Design, Polished Brass, Entrance Lock Set, Sectional Mortise Entry Lockset Body Only

    Marks USA
    In stock

    Product Overview 2-3/4" backset 1" bolt throw Front dimension: 1-1/4" X 8" Finish: US3 Specifications Color Brass Color Family Brass ...

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    $229.99 - $229.99
    $229.99
    $229.99
    $229.99 - $229.99
    $229.99
  • Marks Satin Chrome Double Cylinder Entry Uni-Lock Lever/Plate Mortise Lockset for Iron Gate Doors-Countryside Locks
    $199.99 - $199.99
    $199.99
    $199.99 - $199.99
    $199.99

    Marks Satin Chrome Double Cylinder Entry Uni-Lock Lever/Plate Mortise Lockset for Iron Gate Doors

    Marks USA
    In stock

    Marks 9215AC/26D Double Cylinder Entry Uni-Lock Lever/Plate Mortise Lockset For Iron Gate Doors. Screwless lever/plates, self adjusting spind...

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    $199.99 - $199.99
    $199.99
    $199.99 - $199.99
    $199.99
  • Escutcheon Plate w/Knob Hole And Thumb Turner For Marks 91A-Countryside Locks
    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99

    Escutcheon Plate w/Knob Hole And Thumb Turner For Marks 91A

    Em-D-Kay
    In stock

    Size: 2-1/4" Wide X 7" Tall Material: Brass Finish: Polished Brass For Use With Mortise Locks Escutheon Has A Knob Hole And Thumber Turner...

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    $13.99 - $13.99
    $13.99
    $13.99 - $13.99
    $13.99
  • MARKS LOCK 2750DT SLIM LINE STORM/ DUMMY LOCK-Countryside Locks
    MARKS LOCK 2750DT SLIM LINE STORM/ DUMMY LOCK-Countryside Locks
    Sold out
    $129.99
    $129.99 - $129.99
    $129.99
    $89.99 - $99.99
    $89.99 - $99.99
    $89.99

    MARKS LOCK 2750DT SLIM LINE STORM/ DUMMY LOCK

    Marks USA
    Out of stock

    This Marks Lock Is A Dummy Lock For A Inactive Door  Marks USA has been a primary manufacturer of Ornamental Iron Storm Door locks for many years....

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    $129.99
    $129.99 - $129.99
    $129.99
    $89.99 - $99.99
    $89.99 - $99.99
    $89.99
    Sold out
  • Marks USA New Yorker Mortise Lockset 7NY10A Entrance-Countryside Locks
    Marks USA New Yorker Mortise Lockset 7NY10A Entrance-Countryside Locks
    $209.95 - $219.95
    $209.95 - $219.95
    $209.95 - $219.95
    $209.95

    Marks USA New Yorker Mortise Lockset 7NY10A Entrance

    Marks USA
    In stock

    Marks New Yorker 7NY10A Mortise Entry Lockset. 2-3/4 Backset, Deadbolt:1", Latch: Scissor Latch and Anti Friction Latch, Wide Front face plate:1-1...

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    $209.95 - $219.95
    $209.95 - $219.95
    $209.95 - $219.95
    $209.95
  • Don-Jo ST-161-626 Strike Plate, 4-7/8 in L, 1-1/4 in W, Brass, Satin Chrome-Countryside Locks
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99

    Don-Jo ST-161-626 Strike Plate, 4-7/8 in L, 1-1/4 in W, Brass, Satin Chrome

    DON-JO
    In stock

    Don-Jo Strike Plate, Brass, Satin Chrome, 4-7/8 in L, 1-1/4 in W

    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99
  • Mortise Lock Escutcheon Plate 2-1/4" X 7" With Dull Chrome Door Knob & Turner-Countryside Locks
    $26.99 - $26.99
    $26.99
    $26.99 - $26.99
    $26.99

    Mortise Lock Escutcheon Plate 2-1/4" X 7" With Dull Chrome Door Knob & Turner

    Marks USA
    In stock

    Size: 2-1/4" Wide X 7" Tall Material: Brass Finish: Dull Chrome For Use With Mortise Locks Escutheon Has Knob And Thumb Turner Attached

    $26.99 - $26.99
    $26.99
    $26.99 - $26.99
    $26.99
  • Kaba Ilco Inside Mortise Lock Set-Countryside Locks
    Kaba Ilco Inside Mortise Lock Set-Countryside Locks
    $39.99 - $39.99
    $39.99
    $39.99 - $39.99
    $39.99

    Kaba Ilco Inside Mortise Lock Set

    Ilco
    In stock

    BOARD BEVEL INSIDE LOCKSET - Standard size lockset, perfect for inexpensive installation and replacement. One tumbler construction, heavy metal doo...

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    $39.99 - $39.99
    $39.99
    $39.99 - $39.99
    $39.99
  • Don-Jo Prime Coated Filler Plate 4 7/8" Strike Filler Plate-Countryside Locks
    $3.99 - $3.99
    $3.99
    $3.99 - $3.99
    $3.99

    Don-Jo Prime Coated Filler Plate 4 7/8" Strike Filler Plate

    Don JO
    In stock

    Dimensions: 4-7/8" x 1-1/4" Prime Coat Used to cover the standard ansi strike plate in metal door frames

    $3.99 - $3.99
    $3.99
    $3.99 - $3.99
    $3.99

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