I don't know if it is the Original Equipment Manufacturer but it does match the OEM part exactly and works very well.

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Andersen Hinged Door Lock Actuator

Q: what part is connected to this called? cant find the white knob thing ?

Wish I had a better answer 😐 It is called a thumb knob but you will not find it as individual part it is sold mounted to the faceplate as is the opening handle. I would suggest going to your local Re-Store/Habitat to hopefully find a used one, a new faceplate is around $200 from Anderson.

Q: Is this one piece or two. When I inspect mine, the inch-long rectangular cylinder part comes out. Does that mean it is broken?

It is broken. return it for another one. The two pieces are supposed to be joined together from the factory. I'm a locksmith. I purchased one to replace a part that had separated on a customers door

Q: Is this the part that springs the handle back in place when latching the 3 point lock. Right now my handle just sags but still locks.

No, this piece actually locks the turning knob. My knob kept turning and wouldn’t latch to lock. This fixed that issue.

Product ID: 398753300

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Details

Material
Metal
Brand
Andersen
Finish Type
Unfinished
Mounting Type
Door Mount
Manufacturer
Andersen Inc.
UPC
749995700419

🔒Reliable thumb turn lock activation

🔧Precision fit for Andersen 400 & 200 Series

🇺🇸Proudly made in the USA

Frequently Bought Together

Andersen Hinged Door Lock Actuator

Andersen Spindle, 3-3/4 Long, Frenchwood Hinged Door - 2579830

Bushing Screw Pack 1/2 Diameter, Andersen Newbury Series - Brass

Description

🔐 Lock in security, unlock peace of mind.

SEAMLESS COMPATIBILITY - Engineered exclusively for Andersen Frenchwood hinged and outswing patio doors (400 Series) and 200 Series inswing doors, ensuring perfect integration.
QUICK EASY REPLACEMENT - If your deadbolt knob spins freely, this actuator is the simple fix to restore your door’s security.
DURABLE SECURE MOUNTING - Held firmly in place by a limiting plate and two screws for long-lasting, stable performance.
EFFORTLESS SECURITY CONTROL - Activates the thumb turn lock smoothly, giving you instant peace of mind with every twist.
TRUSTED AMERICAN CRAFTSMANSHIP - Manufactured by Andersen Windows, Inc. in the USA, combining quality and reliability you can count on.

The Andersen Hinged Door Lock Actuator is a precision-engineered replacement part designed for Andersen 400 Series Frenchwood hinged and outswing patio doors, as well as 200 Series inswing patio doors. It activates the thumb turn lock mechanism, ensuring secure deadbolt operation. Mounted securely with a limiting plate and two screws, this USA-made component is the go-to solution when your deadbolt knob spins freely, restoring reliable locking functionality.

Specifications

Manufacturer	Andersen Windows, Inc.
Country of Origin	USA
Item model number	2579542
Package Dimensions	10.21 x 4.7 x 0.99 cm; 9.07 g
ASIN	B00XQ3DTNS

Have a Question? See What Others Asked

what part is connected to this called? cant find the white knob thing ?

Is this one piece or two. When I inspect mine, the inch-long rectangular cylinder part comes out. Does that mean it is broken?

Is this the part that springs the handle back in place when latching the 3 point lock. Right now my handle just sags but still locks.

Is this an OEM part?

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