Camco 44333 Thumb-Operated Cam Lock, 5/8 in Keyless

The Camco 44333 is a thumb-operated cam lock built to keep your RV's baggage and storage compartment doors shut on the road. There's no key to fumble with. You just turn the thumb tab, the cam swings behind the door frame, and your gear stays put. It's the kind of small part nobody thinks about until the original one wears out and a compartment door starts flapping open on the highway.

This is the keyless, thumb-turn style. That's the whole appeal here. If you've got a storage bay you open and close a dozen times a setup, a keyed lock just slows you down. The thumb tab gives you quick, one-hand locking and unlocking, which is exactly what you want when your hands are full of hoses, chairs, and leveling blocks.

The cylinder measures 5/8 inch, and Camco includes two cams in the package so you can match the lock to your door. You get one offset cam and one straight cam. The straight cam works on standard door thicknesses. The offset cam reaches a little farther behind the frame, so it's the one to grab when the door panel sits proud of the surrounding surface or you need extra clearance to catch the frame. Having both in the box means you're not guessing which one you need before you order. You install whichever one fits and set the other aside.

A quick note on the two cams, because it trips people up. The cam is the little metal arm that rotates behind your door and hooks the frame to hold it shut. A straight cam sits flat in line with the lock body. An offset cam is bent, stepping back toward the door so it can grab a frame that's set deeper. When you pull your old latch, look at how the original cam was shaped and match it. If you're not sure, test-fit the straight one first, and if it doesn't quite reach the catch, switch to the offset. Both thread onto the same lock, so there's no extra hardware to buy.

Fitment is straightforward. The lock is built for door panels up to 5/8 inch thick when you run the straight cam, and the offset cam extends the reach for thicker setups. It drops into a standard round mounting cutout, so on most replacement jobs you're pulling the old lock and sliding this one into the same hole. Swap the retaining nut, pick your cam, tighten it down, and you're done. Most folks knock it out in a few minutes with basic hand tools.

Camco builds this one from plated steel, so it stands up to weather, road grime, and the constant open-close cycle a busy storage bay sees over a season. Baggage doors take abuse. They get slammed, rained on, and yanked open with wet hands, and a flimsy latch doesn't last. This one's meant to be the honest replacement that just works.

Who's this for? Anybody with an RV, travel trailer, fifth wheel, or camper that's got an exterior storage compartment held shut by a thumb-turn cam lock. It's a common failure point, and it's an easy fix. It's also handy well beyond the camper. The same lock works on cabinets, drawers, and storage boxes around the shop or the house wherever you want a simple keyless catch that holds a door closed.

One thing to keep in mind. This is sold as a single lock. If you're replacing several compartment latches at once you'll want to order one 44333 per door. Buying a few at a time is smart if your rig is a few years old, because when one thumb latch gives out the rest usually aren't far behind.