Dometic RV Door Lock Complete Bottom Assembly - Part# 4450006328

DometicSKU: 4450006328
Added to catalog: March 11, 2026
Last product update: June 5, 2026 at 5:07 PM

Sale price$33.09 Regular price$52.61
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In stock (9 units), ready to be shipped
FREE Delivery Estimate June 9 – June 12
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1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

The Dometic door lock complete bottom assembly is the lower mechanism component that operates your RV entry door locking system. This assembly is essential for RV owners experiencing lock failures, stuck mechanisms, or doors that won't secure properly. Replacing a worn bottom assembly restores smooth operation and reliable security for your RV entry door.

  • Complete bottom assembly unit for Dometic RV door locks
  • Operates the latch mechanism when key is turned
  • Fits multiple Dometic door lock models and RV types
  • OEM genuine Dometic replacement part
  • Direct replacement—no modifications required
  • Durable construction designed for frequent use
Specification Details
Part Number 4450006328
Manufacturer Dometic
Component Type Door Lock Bottom Assembly
Application RV Entry Doors
Condition New OEM

Frequently Asked Questions

Q: How do I know if my door lock bottom assembly needs replacement?
A: Signs include difficulty turning the key, the lock not catching when closed, or the door latch not engaging smoothly. If your lock mechanism feels loose or gritty, the bottom assembly may be worn.

Q: Will this fit my specific RV model?
A: This is a Dometic OEM part designed for compatible Dometic door lock systems. We recommend verifying your current lock part number matches before ordering, or contact our expert support team for confirmation.

Q: Is this a complete replacement or just a component?
A: This is the complete bottom assembly unit. Depending on your lock's condition, you may also need the top assembly or other components, but this assembly contains all lower mechanism parts needed for operation.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, and our expert support team can help you identify the exact component your RV needs. When you need it right, trust Elkhart RV Parts.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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