We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
1-Pack Mailbox Lock and Key for L-1172C COMP-X National Mailbox Lock C9100
View 1 View 2 View 3 View 4 View 5
HEMRUNK

1-Pack Mailbox Lock and Key for L-1172C COMP-X National Mailbox Lock C9100

✅ In stock
?
Grade
⏳ Analyzing…
—
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$11.88
Listed $11.88
Analysis Confidence 13%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 5:31 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

  • ⏳Verdict: Analyzing…. Not able to score this deal yet.

📝 Product Overview

🏪 Sold by HEMRUNK
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Application: This mailbox lock and key replacement for COMP-X USPS-L-1172C national mailbox lock C9100. TIP: If you order multiple sets of locks, each set will have unique keys that cannot be used interchangeably across different locks.
✓Enhancing Security: Replacing the mailbox lock can enhance the security of your mailbox, ensuring the safety of your letters and packages.
✓Easy Installation: The mailbox lock with keys is easy to install, and includes 5 shaped locking plates for flexible installation. Note: This is only a replacement part! THE LOCK DOES NOT BEAR THE INSCRIPTION “USPS-L-1172C.”
✓Sturdy and Durable: The mail box lock is made of high-quality materials and is extremely durable.
✓Package Includes: 1 x C9100 lock cylinder, 1 x spring clip, 1 x nut, 1 x gasket, 3 x keys, 5 x shaped locking tabs. Note: the C9100 is a 90° clockwise rotating mailbox lock.

⚙️ Specifications

Brand
HEMRUNK
Special Feature
Anti-Corrosion
Lock Type
‎Mortise Lock
Item dimensions L x W x H
2.36 x 1.57 x 1.57 inches
Material
Metal
Brand Name
HEMRUNK
Recommended Uses For Product
Mailbox security
Number of Pieces
1
Included Components
1 x C9100 lock cylinder, 1 x spring clip, 1 x nut, 1 x gasket, 3 x keys, 5 x shaped locking tabs
Model Number
L-1172C National Mailbox Lock C9100
Model Name
Mailbox Lock kit
?
$11.88
Check Deal →