APPERFiT Peterbilt Door Latch Lock – LH/RH, Fits 359 370 377 378 379

Overview

Upgrade your Peterbilt door hardware with the APPERFiT door latch lock. This replacement part is engineered to mirror OEM dimensions, enabling a seamless swap that restores smooth door operation and a confident close every time. Rather than a loose or stiff latch, you’ll notice a precise fit, a clean alignment with the door panel, and a satisfying, audible click when the door latches.

Designed to blend with the truck’s interior aesthetics, the latch provides a dependable entry/exit experience for daily driving, freight runs, and long hauls. The replacement is NEW and ready to perform with minimal fuss, so you can focus on the road ahead rather than fiddling with hardware that doesn’t quite fit.

Key compatibility

• Fits Peterbilt 359, 370, 377, 378, 379 models (2005 and earlier)
• Left driver side and right passenger side mounting for both doors
• OEM replacement references included: HLK2221 20-08229L, HLK2222 20-08229R

What you get

• 1 LH Peterbilt Door Latch
• 1 RH Peterbilt Door Latch
• 1 year warranty

Durability and build quality

APPErFiT parts are designed with tight tolerances and robust construction to support steady operation in demanding truck environments. The design emphasizes a snug fit with genuine dimensions, helping prevent misalignment and reducing the chance of rattling over time.

Real-world use and benefits

In daily use, the latch should align cleanly with the interior panel for predictable operation, easing entry and exit for drivers. Replacing both sides with a matched pair simplifies maintenance and ensures consistent feel across doors, which is especially beneficial for fleets and long-haul operators.

Warranty and support: The parts come with a 1-year warranty, and APPERFiT offers assistance via email if you have questions during or after installation.

Why choose APPERFiT

The APPERFiT door latch is a purpose-built replacement designed to deliver a seamless fit, reliable function, and straightforward installation. You get a product that aligns with OEM references while providing the assurance of new, warranty-backed parts that support long-term door performance.