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How to find the age of your Kenmore range
less than a minute readJan 12Wayne Archer
Knowing the age of your Kenmore range can help you decide whether a repair makes sense or if it’s time to start shopping for a replacement. Most ranges see heavy daily use, and age can affect everything from heating performance to parts availability. If you’re troubleshooting a problem, buying used, or thinking about selling what you have, knowing how old the range is gives you a clearer picture of what to expect.
Kenmore ranges don’t use one universal date code. Instead, you’ll need to decode the serial number on the model label. How you do that depends on the first three digits of the model number. Find that prefix first, then decode the serial number using the format tied to it.
Where to find the model and serial number on your range
Start by locating the model and serial number label on your Kenmore range. On most models, both numbers appear together on the same label.
Common locations include:
Along the oven frame behind the door
On the side trim when the oven door is open
On the back panel of the range
The model number usually starts with three digits, followed by a period and additional numbers. Those first three digits determine which serial number format you’ll use to find the production date.
If your range’s model number starts with 628 or 790
Kenmore ranges with model numbers starting with 628 or 790 typically use a serial number format where the production date appears near the beginning of the serial number.
Common serial number format
YWWxxxxx
First digit = last digit of the year
Next two digits = week of production
Example:
A serial number beginning with 923 indicates a range built in week 23 of a year ending in 9.
Because only the last digit of the year is shown, use the range’s design, controls, and features to determine the correct decade.
For ranges beginning with 664 or 665
Kenmore ranges with model numbers starting with 664 or 665 use a serial number format where the production date is encoded near the beginning of the serial number.
Start by looking at the first four or five characters.
Serial number format
LLYWWxxxxx or LYWWxxxxx
First one or two letters = production location
Next character (letter or number) = year
Next two digits = week of production
The year is shown as a single character, and the pattern repeats every 30 years.
Year code reference table for 664 and 665 ranges
| Codes 0–9 | Years | Codes X–J | Years | Codes K–Y | Years |
|---|---|---|---|---|---|
| 0 | 1980 / 2010 / 2040 | X | 1990 / 2020 / 2050 | K | 2000 / 2030 / 2060 |
| 1 | 1981 / 2011 / 2041 | A | 1991 / 2021 / 2051 | L | 2001 / 2031 / 2061 |
| 2 | 1982 / 2012 / 2042 | B | 1992 / 2022 / 2052 | M | 2002 / 2032 / 2062 |
| 3 | 1983 / 2013 / 2043 | C | 1993 / 2023 / 2053 | N | 2003 / 2033 / 2063 |
| 4 | 1984 / 2014 / 2044 | D | 1994 / 2024 / 2054 | P | 2004 / 2034 / 2064 |
| 5 | 1985 / 2015 / 2045 | E | 1995 / 2025 / 2055 | R | 2005 / 2035 / 2065 |
| 6 | 1986 / 2016 / 2046 | F | 1996 / 2026 / 2056 | T | 2006 / 2036 / 2066 |
| 7 | 1987 / 2017 / 2047 | G | 1997 / 2027 / 2057 | U | 2007 / 2037 / 2067 |
| 8 | 1988 / 2018 / 2048 | H | 1998 / 2028 / 2058 | W | 2008 / 2038 / 2068 |
| 9 | 1989 / 2019 / 2049 | J | 1999 / 2029 / 2059 | Y | 2009 / 2039 / 2069 |
Examples:
RA01xxxx = was made in the first week of either 1991 or 2021.
FM644xxxx = was made in the 44th week of either 1986 or 2016.
Choosing the correct year
Because the year code repeats every 30 years, use the range’s design, control layout, and features to determine the correct decade.
If the model number starts with 721
Kenmore ranges with model numbers starting with 721 typically use a serial number format where the production date appears at the beginning of the serial number.
Kenmore 721 serial number format
YMMxxxxx
First digit = last digit of the year
Next two digits = month
Example:
A serial number starting with `910` indicates a range built in October of a year ending in 9.
Use the range’s controls, styling, and features to confirm the correct decade.
Confirm the age makes sense
After decoding the production date, take a moment to make sure it aligns with the range’s condition and performance.
Helpful cross-checks include:
Whether the age fits the range’s control layout and features
Whether heating performance and wear match the estimated timeframe
Whether the design aligns with the decoded production date
If something doesn’t add up, revisit the serial number format before making a repair or replacement decision.