A pile of old calipers by the back door
There is a corner of the workshop where old units wait. A starter motor in the box the new one came in. Two brake calipers in a carrier bag. An alternator with no box at all. A turbo that was meant to go back last month. Each of them represents a surcharge you paid when the exchange part arrived, and each one is only worth something if it gets back to the factor.
The van driver takes some of them when he drops off. Nobody writes down which. The statement comes at month end with surcharges charged on every exchange part and refunds on only some. The office manager has no easy way to tell whether the missing ones went back and were not credited, or never went back at all.
Why old units are easy to lose
The old unit comes off the car at the very end of a job, when the technician is thinking about the refit and the road test. It is dirty, it goes in whatever box is nearby, and it waits for a driver. There is no record in your garage management system that an old unit exists, because the system tracks parts going onto cars, not parts coming off them.
The factor has its own rules too. Many want the old unit in the original box, drained where it holds fluid, complete with the parts that came with it, and returned within a set period. A unit that goes back late, incomplete or in the wrong box may be rejected, and the rejection often appears only as a missing credit weeks later.
What the unreturned units add up to
| Where the refund is lost | What usually happened |
|---|---|
| Unit never returned | Left in the corner past the return period |
| Returned but not credited | No record on your side to prove it went |
| Rejected by the factor | Wrong box, missing bracket, or not drained |
| Wrong factor | Unit returned to a different supplier from the one that sold it |
| Credit at a lower value | Surcharge refunded partly and nobody queried it |
Exchange surcharges can be a meaningful share of the price of a remanufactured part. A few lost each month is money paid for scrap metal you then throw away.
How we build an old-unit log
- When an exchange part is ordered or booked in against a job, an expected old-unit record is created automatically with the part number, factor, surcharge and the factor's return rules.
- When the technician removes the old unit, they tap the job on the workshop screen to mark it off, and are shown the return rules for that factor, such as original box, drained, bracket included.
- Old units are placed in a marked returns area, and when the driver collects them, each one is scanned or ticked as handed over, with the date and driver.
- Units still sitting in the workshop as the return deadline approaches appear on a short list for whoever is responsible.
- Surcharge credits from the factor's credit notes or statement are matched to returned units by part number and job, including partial or rejected credits.
- Before the statement is paid, the office sees every unit returned but not credited, and every unit never returned, per factor.
We read the credits from whatever the factor provides: a portal export, an emailed credit note, or a PDF statement. Anything we cannot match confidently is shown to a person rather than guessed.
The corner by the back door, emptied
The technician takes the old starter off, taps it as removed, and sees the factor wants it back in the original box. It goes in the box, into the returns area, and is scanned when the driver arrives that afternoon. Three weeks later the surcharge credit arrives and matches automatically.
At month end the office manager sees one caliper credited at a lower value and a turbo still in the workshop past its date. Both are dealt with before the statement is paid.
- Every exchange part creates an expected old unit
- Return rules shown to the technician at removal
- Hand-overs to the driver recorded
- Missing and short surcharge credits listed per factor
Are surcharges quietly going unrefunded?
- Old units pile up in a corner of the workshop.
- Nobody records which old units the driver took.
- Surcharges appear on statements without matching refunds.
- Units have been rejected for the wrong box or missing parts.
- Checking surcharge credits takes hours, so it rarely happens.