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Left Hand Truth 15.31 9-1/2" Straight Arm Casement Operator
- Regular price
- $20.75
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- Sale price
- $20.75
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DISCONTINUED STYLE - Limited to Existing Inventory, can be Replace with Current Ellipse StyleTruth® Old Style Traditional Straight Arm Casement Operator used primarily with wood windows.Note: Truth... -
Left Hand Ashland Casement Split Arm Operator S-1081-66
- Regular price
- $27.31
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- Sale price
- $27.31
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Ashland® Wood casement Window split arm operator, left and right handed. Used by Eagle, Marvin and others Application: Casement Window Type: Dyad, Split Arm, Surface mount Handed: Yes, Left and ... -
Truth Ellipse Left Hand 13-1/2" Straight Arm Casement Operator
- Regular price
- $29.95
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- Sale price
- $29.95
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New style Truth® Ellipse left hand 13-1/2 inch straight arm casement operator with round plastic shoe.This operator is the replacement for old style (55037).Old style operator, 55037, has been disc... -
Right Hand Truth 15.31 9-1/2" Straight Arm Casement Operator
- Regular price
- $29.95
- Regular price
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- Sale price
- $29.95
- Unit price
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DISCONTINUED STYLE - Limited to Existing Inventory, can be Replaced with Current Ellipse StyleTruth® Old Style Traditional Straight Arm Casement Operator used primarily with wood windows.Note: Trut... -
Left Hand 9-1/2" Truth New Style Ellipse Single Arm Casement Operator
- Regular price
- $29.95
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- Sale price
- $29.95
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- per
This product has been discontinued. Limited to existing inventory.Replace with: 50.60.00.212Additional components required with this replacement: Cover/Handle: 55309 Stud/Snap-On Bracket: 551093 ... -
Right Hand Offset Down Link #20810 Casement Operator
- Regular price
- $36.36
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- Sale price
- $36.36
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Truth EntryGard® Casement Crank Operator, Gold Spline, Dual Arm, Sill Mounted Number on 4-7/16 Link: Link # 20810 or 20544. The Link is offset down Straight Arm Length: 10-1/2 inches (center... -
Left Hand Truth EntryGard Casement Operator 4-7/16" Offset Down Link 20810/20544
- Regular price
- $36.36
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- Sale price
- $36.36
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- per
Truth EntryGard® Casement Crank Operator, Silver Spline, Dual Arm, Sill Mounted Number on 4-7/16 Link: Link # 20810 or 20544. The Link is offset down Straight Arm Length: 10-1/2 inches (cent... -
Right-Hand Truth 23 Series Single Arm Casement Operator, Front Mount
- Regular price
- $32.85
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- Sale price
- $32.85
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Truth® 23 Series Single Arm Casement Operator, Front Mount, 13-1/2 inch armApplication: Normally Commercial, used with aluminum, steel or vinyl casement windowsMounting: Front MountMounting Screw H... -
Right Hand Truth Dyad Casement Operator, Rear Mount, 5" Screw Spacing
- Regular price
- $32.24
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- Sale price
- $32.24
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Truth® Dyad Casement Operator; Vinyl WindowClip is under side of 4-1/2 inch Truth® link # 30866Clip can be removed and placed on top if neededUsed by Alcoa on their Vinyl casement windowOperator Ty... -
Truth Dual Arm EntryGard Operator 31539 – Right Hand Egress
- Regular price
- $46.04
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- Sale price
- $46.04
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Truth® 15.15 EntryGard® Dual Arm casement window operator - Egress Hardware Handing: Right Hand - As viewed from outside Crank Spline: Gold 11/32 Diameter (Gold-Right; Silver-Left)Link Length: 2-13... -
Right Hand Truth Encore Dyad Split Arm Casement Operator
- Regular price
- $29.68
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- Sale price
- $29.68
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Truth® 50.60.00 Encore Series Split Arm casement operator, No cover or handleThe Encore Series split arm operator is designed to operate sash sizes from 20 to 32 in.es wide and up to 72 in.es tall,... -
Right Hand Truth 15.56 Casement Operator, 7-1/2" Arm, Nylon Roller
- Regular price
- $19.95
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- Sale price
- $19.95
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Truth® 15.56 Traditional 7-1/2 single arm casement operator, nylon roller, Right
Showing 25 -36 of 122 items
Casement window operators are mechanical devices that allow users to open and close casement windows with a simple turn of a crank. These operators are critical components that translate the rotational motion of a handle into the linear movement needed to move the window sash. Over years of regular use, original operators can wear out, making windows hard to open, crank closed, or seal properly. Replacing a faulty operator restores effortless handling and helps maintain the window's energy efficiency and security.
Types of Casement Window Operators
There are several common types of operators designed for different window styles and installation needs. Single arm operators are typically used on narrow or lightweight sashes, while dual arm operators provide extra leverage for larger or heavier windows, distributing force for smoother movement. Split arm and dyad operators offer solutions for unique window geometries or mounting requirements. All are engineered for reliability and ease of installation.
Key Features and Specifications
- Precision gear mechanisms for smooth, consistent operation
- Choice of right- or left-hand models to match window configuration
- Multiple arm lengths and profiles for exact fit
- Durable finishes and corrosion-resistant construction
- Compatible with wood, vinyl, aluminum, and composite window frames
Compatible Brands and Replacement Solutions
Our collection specializes in genuine replacement parts from AmesburyTruth, a leading manufacturer trusted by window professionals and OEMs for decades. These casement window operators are compatible with a wide range of window brands, including Integrity by Marvin and Ashland, as well as older and modern Truth window systems. Whether you need to match an Entrygard dual arm model or require a Truth dual arm with a short link, you'll find precision-fit options for both standard and specialty windows.
As an authorized retailer of AmesburyTruth products, TruthParts guarantees that every operator we sell is a genuine, OEM-quality part,never an aftermarket substitute. This assures perfect compatibility, reliable function, and manufacturer-backed durability, whether you're performing a single repair or upgrading multiple windows across a property.
Installation Tips and Use Cases
Replacement is typically straightforward and can often be accomplished with basic hand tools. It is important to match the operator's handing, arm length, and mounting style to your window's requirements. Referencing any visible part numbers or comparing the original mechanism with photos and specifications will help ensure a correct match. For specialty needs, such as skylight operation or egress windows, options like Truth electric operator systems are also available.
Common use cases include restoring function to hard-to-operate windows, replacing stripped or broken gears in high-use areas, or upgrading to modern, corrosion-resistant hardware. These operators are a popular solution for both residential and commercial properties, ensuring windows operate smoothly and seal tightly every time.
Frequently Asked Questions
- How do I determine which operator I need?
Identify the operator type (single arm, dual arm, split arm, etc.), handing (left or right), and match arm lengths. Part numbers, if available, are often stamped on the underside of the operator arm. - Are these parts compatible with older window models?
Many AmesburyTruth operators are designed as direct replacements for older and current window systems. Compare your existing part with product specs or contact us for help matching legacy hardware. - Do you offer both manual and electric operators?
Yes, the collection includes both manual crank and electric operator systems, such as Truth Sentry II, for enhanced accessibility and automation. - Can I install these operators myself?
Most replacements can be performed with a screwdriver and basic DIY skills. Always review the installation instructions and check for proper fit before final mounting.