Find Out How Old Your Appliance Really Is

Enter a brand and serial number to decode the manufacture date, see remaining lifespan, and get maintenance tips. Free, private, and instant.

Serial Number Decoder

Appliance Brand

Serial Number

Enter exactly as shown. Watch for O vs 0 and I vs 1.

Appliance Type

Average Appliance Lifespans

These numbers come from industry surveys and represent typical total lifespans. Real results depend on usage, maintenance, and model quality.

Appliance	Average Lifespan	Watch For
Refrigerator	13–17 years	Compressor noise, temperature swings
Washing Machine	10–14 years	Bearing noise, drum wobble
Dryer	13–15 years	Long dry times, overheating
Dishwasher	9–12 years	Poor cleaning, leaks, rust
Range / Oven	13–15 years	Uneven heating, igniter issues
Microwave	7–10 years	Sparking, uneven heating
Freezer	12–20 years	Frost buildup, seal wear
Central AC	15–20 years	Refrigerant leaks, weak airflow

Common Serial Number Mistakes

O vs. Zero

The letter O and the number 0 look almost identical on most labels. If decoding fails, try swapping them. Most brands use the number zero in date codes, not the letter O.

I vs. One

Same problem with the capital letter I and the number 1. When in doubt, try the number 1 first.

Model vs. Serial

The model number is different from the serial number. The serial is usually shorter and may start with letters. Look for a label that says "S/N" or "Serial."

Extra Characters

Some labels include prefixes like "S/N:" or dashes between groups. Strip those out and enter only the core serial characters.

What Serial Numbers Look Like by Brand

Whirlpool: 9 characters, starts with a letter for year (e.g., VS40000000). First letter = year code, second = month.
GE: Two letters followed by six digits. First letter = month, second = year (e.g., JL123456).
Samsung: 10–14 characters. Year and month often in positions 3–4 (e.g., 06JM20S1B00001).
LG: 10–12 characters. First two digits often indicate year (e.g., 801KRF00000).
Maytag: Similar to Whirlpool (same parent company). Letter-digit format (e.g., CY123456).
Bosch: Starts with "FD" followed by 8 digits. First two digits after FD = year (e.g., FD98010000).

When This Decoder Saves the Day

Buying a Used Appliance

A seller claims the refrigerator is "about 5 years old." You decode the serial and find it's actually 14 years old, well past the average lifespan. That information changes the price you're willing to pay, or whether you want it at all.

Home Inspection Prep

Your home is going on the market. You decode every appliance serial so you can give buyers accurate ages. Transparency builds trust and can speed up the sale.

Repair or Replace?

Your dryer needs a $200 repair. The decoder shows it's 13 years old with an average lifespan of 14. You decide to put that money toward a new unit instead of repairing one that's near the end.