For example, split serial number F42510000 as F | 4 | 25 | 10000. F identifies the manufacturing site, 4 is the year code, and 25 is the production week. The year code can repeat after ten years, so we advise you to enter the model number as well. For model MDB8969SDE0, the model information identifies 4 as 2014. Therefore, this appliance was made in production week 25 of 2014. If the model information does not identify one year, Appliage shows every possible date.
Appliage decodes three Maytag year rules. Serial numbers from 2010 to today use the nine character Whirlpool style layout with a numeric year code. Serial numbers from 1990 through 2013 use the Maytag format, with a year letter and a month letter at the end. Serial numbers from 1991 through 2009 use the Whirlpool style layout with a letter year code in position 2. Each rule has its own table under Maytag Age Rules below.
Maytag explains its serial year codes from 1994 onward. For older machines, B means 1990, D means 1991, F means 1992, and H means 1993. Appliage shows those four dates as estimates. The month letters changed in 2002, so use the list for the year on the serial.
The three spans overlap. A ten character serial that ends in two letters uses the Maytag format. A nine character serial carries its date near the front, and position 2 tells the rest apart: a digit is the repeating numeric code, and a letter comes from a letter table.
Maytag Age Rules
The ten character Maytag format contains eight digits that identify the unit, followed by two date letters. Position 9 gives the manufacture year, and position 10 gives the month. The first eight digits identify the individual machine but do not influence its manufacture date. The year and month tables skip letters, so use the tables below instead of counting through the alphabet.
The year letter table runs from B for 1990 through X for 2013. The month alphabet changed in 2002, so serial numbers from 1990 through 2001 use the earlier month table and serial numbers from 2002 through 2013 use the later one.
Year letter (ninth character)
| Code | Published meaning |
|---|---|
| B | 1990 |
| D | 1991 |
| F | 1992 |
| H | 1993 |
| K | 1994 |
| M | 1995 |
| Q | 1996 |
| S | 1997 |
| U | 1998 |
| W | 1999 |
| Y | 2000 |
| Z | 2001 |
| A | 2002 |
| C | 2003 |
| E | 2004 |
| G | 2005 |
| J | 2006 |
| L | 2007 |
| N | 2008 |
| P | 2009 |
| R | 2010 |
| T | 2011 |
| V | 2012 |
| X | 2013 |
Month letter (tenth character)
For 1990 through 2001
| Code | Month |
|---|---|
| B | January |
| D | February |
| F | March |
| H | April |
| K | May |
| M | June |
| Q | July |
| S | August |
| U | September |
| W | October |
| Y | November |
| Z | December |
For 2002 through 2013
| Code | Month |
|---|---|
| A | January |
| C | February |
| E | March |
| G | April |
| J | May |
| L | June |
| N | July |
| P | August |
| R | September |
| T | October |
| V | November |
| X | December |
Use these two tables only when the model and ten character serial structure match this Maytag format. If the year letter is not in the table, Appliage cannot assign a manufacture year. If the final letter is not a valid month code for that year, Appliage recognizes the product but returns no manufacture date.
Maytag Serial Number Example 1: 12345678EJ
The entered model is MER5752BAW, a range listed in Maytag’s service manual 8178713. The result is May 2004 (Estimated).
- Split the serial number as 12345678 | E | J.
- The eight digits 12345678 are the unit sequence. They identify the individual appliance but do not influence its manufacture date.
- E in position 9 means 2004. Because 2004 falls between 2002 and 2013, the final J uses the second month table, where J means May.
Therefore, the manufacture date is May 2004.
Whirlpool Style Serial Numbers: Site, Year, Week, and Unit Sequence
Later nine character Maytag serial numbers place the date near the front. Position 1 is the manufacturing site code assigned to the factory that built the appliance. Position 2 is the year code, and positions 3–4 give the production week. The final five digits identify the individual machine but do not influence its manufacture date.
- Maytag format 1–8 unit sequence
- Maytag format 9 year letter
- Maytag format 10 month letter
- Whirlpool style 1 manufacturing site
- Whirlpool style 2 year character
- Whirlpool style 3–4 production week
- Whirlpool style 5–9 unit sequence
The meaning of the year character depends on the Maytag product family. For the product families used by Appliage, 8 indicates 2018 and 9 indicates 2019 on the covered 27-inch front load laundry models. Other covered families include the dishwasher, B955 steam dryer, and Bravos washer groups.
| Code | Year meaning |
|---|---|
| 0 | year ending in 0 |
| 1 | year ending in 1 |
| 2 | year ending in 2 |
| 3 | year ending in 3 |
| 4 | year ending in 4 |
| 5 | year ending in 5 |
| 6 | year ending in 6 |
| 7 | year ending in 7 |
| 8 | year ending in 8 |
| 9 | year ending in 9 |
This layout identifies a production week, not a specific day or month. A single numeric year code can repeat after ten years. For example, 4 may indicate 2014 or 2024 until dated records for the model rule out one of those years.
Bravos, Neptune, and Centennial are Maytag product lines, so use the Maytag tables for those appliances. Then match the serial number’s layout to the correct table.
Whirlpool Style Letter Year Codes (1991–2009)
On earlier serial numbers in this layout, position 2 holds a letter instead of a digit. The other positions do not change: position 1 is still the manufacturing site, positions 3–4 are still the production week, and positions 5–9 are still the unit sequence. The published letter years run from A for 1991 through Y for 2009 and skip I, N, O, Q, V, and X.
| Code | Year |
|---|---|
| A | 1991 |
| B | 1992 |
| C | 1993 |
| D | 1994 |
| E | 1995 |
| F | 1996 |
| G | 1997 |
| H | 1998 |
| J | 1999 |
| K | 2000 |
| L | 2001 |
| M | 2002 |
| P | 2003 |
| R | 2004 |
| S | 2005 |
| T | 2006 |
| U | 2007 |
| W | 2008 |
| Y | 2009 |
Most letters in the older table name one year, but that is not true for every plant and year code. At F, C, and M, E or F gives 1995 or 1996 in the older table while the newer E/F meaning is undocumented. Appliage leaves the older date as a candidate and does not guess 2025 or 2026. In ML2536812, M is the Marion manufacturing site, L is 2001, and 25 is the production week. So ML2536812 is week 25 of 2001. Example 2 below uses the same table, where U means 2007.
Maytag Serial Number Example 2: MU4110200
The entered model is MED5800TW0, a Centennial dryer, with the household appliance type selected. The result is 2007, production week 41.
- Split the serial number as M | U | 41 | 10200. M identifies the Marion manufacturing site, U is the year character for 2007, and 41 is the production week.
- The final five digits, 10200, are the unit sequence. They identify the individual machine but do not influence its manufacture date.
- The MED5800TW0 model record confirms that the Whirlpool style Maytag rule applies to this serial number.
Therefore, the appliance was made in production week 41 of 2007.
If the model family and year code do not match the available Maytag rules, Appliage does not assign a manufacture date.
Maytag Serial Numbers Appliage Cannot Find the Age
Samsung built the Maytag MAH8700 and MAH9700 front load washers. A federal recall notice lists the serial suffixes for 2005 and for January through July 2006, and no Maytag table decodes them.
The ten character format’s year letter table covers 1990 through 2013. In position 9, the letters B, D, F, and H identify 1990 through 1993 from tables published by building inspectors, while Maytag’s own documents take over at K for 1994. A letter outside the supported set returns no date.
On the nine character layout, I, N, O, Q, or V in position 2 also returns no year, because no official document has dated those letters. X in position 2 can mean 1990 or 2020, so Appliage shows both years.
The year you decode is a build date. Whether a Maytag is still covered depends on when it was sold and on the warranty terms for that model.
Why Maytag Has Two Serial Number Formats
Whirlpool completed its purchase of Maytag on March 31, 2006, but Maytag did not switch every product to the new serial number format at once. The Maytag year table for serials that end in two letters continues through 2013, while a Centennial dryer from 2007 already uses the Whirlpool style format. Choose the table from the serial number’s length and character positions, not from the acquisition date alone.
Maytag, KitchenAid, and Amana are now part of Whirlpool’s appliance business, and many recent Maytag appliances use the same site, year and week layout explained in the Whirlpool serial number lookup. The tables on this page reach back to 1990; for anything older you would need a dated service document or another reliable date source.
A Maytag furnace, heat pump, air conditioner, or air handler is separate from these household appliances. It uses Nordyne year and month positions, which the Nordyne serial number lookup explains.
Sources
- Maytag service manual (8178713). The manual lists the ending year and month letters and the models covered.
- Maytag dishwasher service manual (W11035362). F42510000 is one of the manual’s serial examples.
- CPSC: Maytag dishwasher recall (1996). The recall includes the 1994 and 1995 year letters and the earlier month letters.
- Whirlpool’s announcement of the Maytag purchase (2006). Whirlpool completed the purchase on March 31.
- CPSC: Maytag and Samsung washer recall (2007). Samsung made the MAH8700 and MAH9700 models named in the notice.
For other brands, see our appliance serial number lookup.
