If It’s Not in the Bin, It Doesn’t Exist

Ask any experienced parts manager what separates a smooth-running department from a chaotic one, and chances are they will mention bin checks. Perpetual bin checks — the regular, systematic process of physically counting and verifying parts inventory against what your dealer management system shows on hand — are one of the most important habits you can build as a new parts manager. Yet they are also one of the most commonly neglected.

Here is the core problem: your DMS is only as accurate as the data going into it. Parts get miscounted during receiving. Counterperson charges to the wrong part number on a repair order. A return gets placed back on the wrong shelf. Over time, these small errors accumulate, and before long your system is telling you that you have three of a particular part in stock when the bin is actually empty. The result? A customer or technician is told the part is available, only to find out it isn’t. That kind of error damages your fill rate, frustrates your service department, and erodes customer trust.

The solution is a structured perpetual bin check program. In addition to a physical inventory count once a year — a time-consuming process that still leaves months of potential error in between — a perpetual system divides your inventory into sections and counts a portion of it every day or every week. By the end of a set cycle, your entire inventory has been verified. Any discrepancies are corrected in real time, keeping your on-hand counts consistently accurate throughout the year.

Most DMS platforms have a built-in perpetual inventory or cycle count feature that can assign which bins to count on which days. Take the time to set this up if you haven’t already. Assign the responsibility to a specific team member so it becomes part of the daily routine rather than something that gets pushed aside when things get busy.

The payoff is significant. Accurate inventory means better fill rates, fewer emergency orders, more confident purchasing decisions, and a year-end physical inventory that holds far fewer surprises. It also gives you a clearer picture of shrinkage — parts that have gone missing due to error or theft — which is information you simply cannot afford to ignore.

Perpetual bin checks are not glamorous work, but they are the foundation of a well-managed parts department. Build the habit now, and it will pay dividends for as long as you are in the role.