The Parts Counter AR Checklist That Actually Works (And Fixes Your Cash Flow)

Most dealership controllers will tell you their accounts receivable aging report is a nightmare. Then they'll tell you they're not actually using it.

That's the real problem. The aging report exists, sure, but it's treated like a compliance checkbox rather than a cash flow lever. Your parts counter is bleeding money through old receivables, your floor plan lender is getting nervous about days sales outstanding, and meanwhile your office manager is manually chasing payments three months too late. By then, the customer's moved on, forgotten the invoice, or decided they're not paying.

Here's what separates dealers with healthy cash flow from those stuck in the AR swamp: they have a working checklist. Not a spreadsheet they update once a quarter. A real, living system that catches problems early, assigns responsibility, and actually moves money.

Why Your Current AR Process Isn't Working

Let's be honest about what's broken. Most dealerships track parts receivables in one of three broken ways: they wing it, they use a system that doesn't talk to accounting, or they rely on a single person who's also doing five other jobs.

The parts counter sells a $1,200 alternator job to a local mechanic shop. Invoice goes out. Thirty days pass. Nobody's tracked it. Sixty days pass. Now the office manager calls, but the mechanic claims they paid last week (they didn't). Ninety days pass. It's written off or forgotten, your gross profit looks fine on paper but your actual cash position is worse, and your floor plan lender is watching your DSO creep up.

And here's the thing: this costs more than the uncollected $1,200.

Every dollar stuck in AR is a dollar you're not using to stock parts, manage floor plan efficiently, or invest in the business. That's real money leaving the table. On top of it, old receivables distort your financial statement. Your balance sheet looks stronger than it actually is. Your controller's reporting to the dealer principal that receivables are under control when they're not. Decisions get made on bad data.

The second problem is accountability. When nobody owns AR aging, everybody assumes somebody else is handling it. The parts manager thinks the office is tracking it. The office manager thinks the parts counter took a payment. The counter person thinks it was written off. Months later, nobody knows where the invoice went.

The Checklist: Step-by-Step Setup

Step 1: Define Your Credit Policy (In Writing)

Start here. You can't manage what you haven't defined.

Decide: Who gets credit? What's the credit limit? What's the payment term—net 30, net 15, something else? What triggers a stop to credit? Write it down. Make sure your parts manager and office manager have copies. Make sure the counter knows it.

Most dealerships sell parts on credit to local shops, body shops, and commercial accounts. Some sell to walk-in customers on account. Each category might have different terms. A regular shop that buys $500 a month might get net 30. A one-time customer buying $3,000 in parts might be cash only or credit card upfront.

The policy should also spell out: Who approves credit? (Usually the parts manager or controller, not the counter.) What's the escalation if an account hits 60 days past due? (Does the parts manager call, or does the office manager?) What's the write-off threshold? (Most dealers won't pursue an uncollected $200 invoice; others will. Decide.)

Without this, you're making decisions on the fly, which means inconsistency, which means some accounts get hounded for payment and others get written off quietly.

Step 2: Tag Every Parts Sale with a Customer Type and Due Date

This is where your point-of-sale system or accounting software earns its keep. Every parts invoice needs to capture:

• Customer type (retail, fleet, body shop, internal, other)
• Customer name and account number
• Invoice date
• Due date (automatically calculated based on your terms, e.g., invoice date + 30 days)
• Invoice amount and part numbers
• Payment status (unpaid, partial, paid, disputed, written off)

If your current system doesn't track due dates automatically, you're already behind. Tools like Dealer1 Solutions handle this in the background, flagging invoices as they age. Without it, you're manually calculating which invoices are past due, and manual systems fail.

The customer type tag matters because it affects follow-up urgency. A regular account that's 35 days past due might just need a friendly reminder. A new customer that's 35 days past due might signal a problem.

Step 3: Run an Aging Report Weekly (Not Monthly, Not Quarterly)

This is the most important shift your dealership can make. Not running aging reports. Running them *weekly*.

A weekly aging report shows you every open invoice, bucketed by how old it is: 0-30 days, 31-60 days, 61-90 days, 90+ days. It should show dollar totals for each bucket and a running total. It should flag accounts that just crossed a threshold (e.g., an account that was 29 days past due last week is now 36 days past due this week).

Why weekly? Because the longer you wait, the older the debt gets. An invoice that's 20 days past due is still recoverable. One that's 90 days past due is a judgment call.

And honestly, running it weekly makes the follow-up automatic. If you're looking at the report every seven days, you're calling customers every seven days. That creates momentum and accountability.

Step 4: Assign Ownership and Create a Follow-Up Calendar

This is where most dealerships fail. There's no owner. So nothing happens.

Your checklist should assign specific people to specific buckets:

• Parts manager: Handles 0-30 days past due. This is soft collection—friendly reminder calls or emails. "Hey, we sent the invoice on the 5th; just checking in to make sure you got it and no issues with the parts."
• Office manager or controller: Handles 31-60 days past due. This is firmer. "We haven't received payment on invoice #12345 from 30 days ago. Can you let me know when we can expect it?"
• Controller or dealer principal: Handles 61+ days past due. This is firm collection. "We need to resolve this invoice. Payment is required by [date], or we'll have to stop credit and refer this to collections."

Each person has a calendar reminder on Friday afternoon to pull the weekly report and make calls. That's it. But it's consistent, it's owned, and it works.

Step 5: Track the Reason for Non-Payment

Not all old AR is a bad debt problem. Some of it is a dispute problem.

When you reach out to a customer who's 45 days past due, they might say: "We didn't get the invoice." "The parts were damaged." "You charged us wrong." "We're waiting on our customer to pay us." "We forgot."

Your checklist should have a field: Reason for non-payment. Options might include:

• Invoice not received
• Dispute (wrong part, damaged, quality issue)
• Customer cash flow delay
• Invoice incorrect
• Payment lost in mail
• Customer payment pending (waiting on their customer)
• No contact / customer avoiding
• Other

This matters because it tells you how to solve the problem. If the invoice wasn't received, resend it. If there's a dispute, involve the parts manager to resolve it. If the customer's waiting on their own cash flow, set a follow-up date when they said they'd pay. If there's no contact and avoidance, you've got a bad debt situation.

Step 6: Establish Hard Dates for Action

Your checklist needs milestones:

• At 30 days: First contact (call or email from parts manager)
• At 45 days: Second contact (parts manager or office manager, more formal)
• At 60 days: Written notice (email or letter stating payment is overdue and credit will be suspended)
• At 75 days: Credit suspension (no more parts on account; cash or credit card only)
• At 90 days: Decision point (write off, refer to collections, legal action, or negotiate a payment plan)

But here's where most dealerships mess up: they hit 90 days, write it off, and move on. That's the wrong decision half the time.

Instead, before you write off a $2,800 parts invoice from a body shop that's been your customer for three years, make one final call. Maybe they're having a rough month and a payment plan helps. Maybe there's a dispute that's been unresolved because nobody followed up properly. Maybe they just need a reminder. One conversation can recover thousands.

If after that final conversation there's still no resolution and no agreement to pay, *then* you write it off or refer it.

Step 7: Report Up to the Controller and Dealer Principal Monthly

Your weekly checklist feeds into a monthly summary that goes to your controller and dealer principal.

The summary should show:

• Total parts receivables
• Breakdown by age bucket (0-30, 31-60, 61-90, 90+)
• Days sales outstanding (DSO) for the month
• Collections made (calls, follow-ups, recoveries)
• Write-offs or accounts referred
• Trend line (is DSO improving or getting worse?)

This connects AR aging directly to financial statement accuracy and floor plan health. If DSO is creeping up, it signals a problem before it becomes a crisis. Your lender is watching DSO too. So is the dealer principal's accountant when they're evaluating the dealership's financial health for refinancing or sale.

The Tools That Make This Happen

You can build this checklist on paper, Excel, or a shared spreadsheet. Honestly, it's not the tool that matters. It's the discipline.

That said, the right tool makes discipline possible. If you're managing AR aging in Excel, you're updating it manually, sending it via email, and hoping nobody overwrites your version. There's a better way.

A proper system tracks every invoice in real time, ages it automatically, flags thresholds, and sends alerts to the right people. This is exactly the kind of workflow Dealer1 Solutions was built to handle. Your parts counter creates an invoice, the system automatically calculates the due date based on your policy, and as the invoice ages, the office manager gets a notification. The weekly aging report pulls itself. The follow-up calendar is built in. Payments post immediately and the aging updates.

Without that automation, you're fighting friction every single day, and friction kills consistency.

Common Mistakes to Avoid

One quick warning: don't confuse AR aging with customer service.

Your goal isn't to hound customers into submission. It's to catch problems early, resolve them fast, and get paid on time. A customer who's 45 days past due might be a great account with a temporary cash flow hiccup. A customer who's 15 days past due and ghosting you might be gone for good.

The checklist helps you distinguish between the two. The first needs a conversation about a payment plan. The second needs credit suspension immediately.

What Success Looks Like

A dealership that runs this checklist properly will see DSO drop from 45-50 days down to 30-35 days within 90 days. That means faster cash conversion, better floor plan health, and more accurate financial statements.

More importantly, it means you stop leaking money through old receivables. That's gross profit that stays on your books instead of disappearing.

The checklist is the system. The discipline is the habit. Together, they work.