Sentinel Multipoint Sliding Door Lock – 35mm Backset, 3 Hooks, Stainless Steel

SKU: 40216

$166.17 - $166.17

$166.17

$166.17 - $166.17

$166.17

Backset: 1-3/8" (35mm)
Hooks: 3, spaced 16-7/8" (428.6mm) apart
Overall Length: 40-15/16" (1040.1mm) with radius ends
Lock Body Case: 2-1/8" x 4-7/8" (54mm x 123.8mm)
Style: Narrow style multipoint sliding door lock
Finish: Stainless Steel
Lock Case Markings: 5126-18
Compatible with Caradco, Jeld-Wen, and other sliding doors
Includes receptacles for 3 hooks
Sold individually

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Before you order, if you'd like confidence this is the right part for your job, please fill out our multipoint lock identifier form or call us at (816) 221-6543 .

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Product Details

Sentinel Multipoint Sliding Door Lock – 35mm, 3 Hooks (40216)

This Sentinel narrow style multipoint sliding door lock is designed for sliding patio doors and features receptacles for 3 hooks. With a 35mm (1-3/8 inches) backset and an overall length of 40-15/16 inches (1040.1mm) with radius ends, this lock provides secure multi-point locking for your sliding door system.

The lock body case measures 2-1/8 x 4-7/8 inches (54mm x 123.8mm) and features a stainless steel finish for durability and corrosion resistance. The three hooks are spaced 16-7/8 inches (428.6mm) apart to distribute the locking force across the door frame.

This lock is commonly used on Caradco, Jeld-Wen, and other sliding door brands that utilize narrow style multipoint hardware.

Stamped With

5126-18 (on lock case)

Technical Information

Backset: 1-3/8 inches (35mm)
Overall Length: 40-15/16 inches (1040.1mm)
End Style: Radius ends
Number of Hooks: 3
Hook Spacing: 16-7/8 inches (428.6mm)
Lock Body Case Dimensions: 2-1/8 x 4-7/8 inches (54mm x 123.8mm)
Finish: Stainless Steel

Notes

This lock uses hooks; the center hook goes into the lock case and pushes the plate back, allowing the thumb turn or key to turn and secure the door in the locked position
Before closing your door, test the lock functionality by inserting a screwdriver or pencil into the center lock hole, pushing the plate back, and testing the operation
If you have Marvin trim, you will need to use the same brand as they have a special drill hole pattern for their hardware

Related Parts

14545 - Narrow plate handleset trim, 1-1/4 inch wide
14552 - Wide plate handleset trim, 1-11/16 inch wide

Priced and sold each.

Fill out our MPL form or call us to ensure accurate purchasing and correct fit.

Frequently Asked Questions

How does this multipoint sliding door lock operate?

The center hook goes into the lock case and pushes the plate back, which allows the thumb turn or key to turn and secure the door in the locked position.

How can I test the lock before closing my door?

Insert a screwdriver or pencil into the center lock hole, push the plate back, and test the operation of the lock to ensure it functions properly.

Will this lock work with Marvin door trim?

If you have Marvin trim, you will need to use Marvin brand hardware as they have a special drill hole pattern that may not be compatible with this lock.

Shipping & Returns

At mplocks.com, we strive to provide fast, reliable, and fairly priced shipping. Below you'll find our standard shipping details, important notes, and packing practices.

Standard Shipping Rates

Shipping applies to the contiguous U.S. (orders to Alaska and Hawaii require a custom quote):

$11.95 – USPS Snail Mail (First Class, 10–21 days)
$14.95 – USPS Priority Mail (7–10 days)
$17.50 – UPS Ground (2–5 business days)

📦 Rates typically cover packages up to 4 lbs. Oversized or heavier items may incur additional charges.

Processing Times

Most orders ship within 2–5 business days of purchase.
If your order is delayed, we'll notify you promptly.

Important Notes on Shipping Costs

Certain items may have higher shipping costs due to weight or dimensions.
We reserve the right to adjust shipping fees. If this applies to your order, we'll contact you for approval before proceeding.
If you choose not to accept revised shipping charges, we may cancel your order at our discretion.

Backorders & Billing

All credit cards are charged within 72 hours of purchase.
This includes orders that contain backordered items.

Our Packing Standards

We take great care to ensure your order arrives safely and securely.

Whenever possible, we use recycled paper, cardboard, and eco-friendly packaging materials.
Many of our products are purchased in bulk and may not include retail packaging or barcodes. In these cases, items may be repackaged in secure, plain boxes.
Hardware ships in retail or contractor-grade packaging when available.
Every item is inspected prior to shipping, and additional packing is used if needed.

Quality Guarantee

All items are brand new unless specifically noted. If something is not right, we'll work to make it right—through repair or replacement.

⚠️ Please note: shipping costs are non-refundable.

If you have questions about shipping rates, timelines, or packaging, please contact us before placing your order.

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