: Sometimes model numbers are slightly different from what is printed on the box or receipt (e.g., extra zeros or slightly different letters). Learn more
If you are looking for this specific item, it is most commonly found on: DM-KUF-12039
A: No. Typically, the last digit denotes a minor revision. DM-KUF-12040 likely has a different cross-section thickness (e.g., 10.40mm vs 10.39mm). A 0.01mm difference is enough to cause leakage or jamming. : Sometimes model numbers are slightly different from
Even the highest-grade seals wear out. Recognizing the failure mode of your DM-KUF-12039 will help you correct the root cause, not just the symptom. not just the symptom.