4WD Front Differential Lock Axle Actuator Compatible with Dodge Ram 1500 2008-2021 replace 600-399 52114387AA 52114387AB locking hub assembly

Good product and good price

The Dexonu 4WD Front Differential Lock Axle Actuator for my Dodge Ram 1500 has been fantastic. Installation was straightforward, and it fit perfectly, replacing my old 600-399 unit without any issues. Since installing it, the 4WD engages smoothly and reliably every time, giving me confidence on rough terrain or slippery roads. The build quality feels very solid and durable, designed to withstand heavy use over time. It has restored my truck’s full off-road capability, making driving in snow, mud, or gravel much safer and easier. I also appreciate that it’s compatible with a wide range of 2008-2021 models, making it versatile and convenient. The actuator responds quickly and quietly, without any annoying noises or delays. Overall, it performs exactly as expected, providing dependable 4WD functionality. I feel reassured knowing my truck is equipped with a high-quality replacement part. This actuator is definitely worth investing in for anyone needing a reliable 4WD solution!

Looks like my old one hopefully it goes in easy

Truck was out of commission for MONTHS after installing this faulty part. Tried everything and nothing seemed to work, turns out part was blown. Cost me over $400 to get it replaced with a part that actually worked. And now the returned window has passed so I’m out $80 for this part and $400 from the shop.

Great value and easy to swap out. Works great and solved my 4WD error message.