The image above demonstrates how to read a Light Commercial Unit Serial Number Date Code. This will help easily identify what year and week it was created, along with the sequence number, and the location it was manufactured.
| Year | Light Commercial Products |
|---|---|
| 1980 | O, A |
| 1981 | T |
| 1982 | U |
| 1983 | W |
| 1984 | X |
| 1985 | Y |
| 1986 | S |
| 1987 | B |
| 1988 | C |
| 1989 | D |
| 1990 | E |
| 1991 | F |
| 1992 | G |
| 1993 | H |
| 1994 | J |
| 1995 | K |
| 1996 | L |
| 1997 | M |
| 1998 | N |
| 1999 | P |
| 2000 | R |
| 2001 | Z |
| 2002 | 2 |
| 2003 | 3 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 8 |
| 2009 | 9 |
| 2010 | 10 |
| 2011 | 11 |
| 2012 | 12 |
| 2013 | 13 |
| 2014 | 14 |
| 2015 | 15 |
| 2016 | 16 |
| 2017 | 17 |
| 2018 | 18 |
| 2019 | 10 |
| 2020 | 20 |
| 2021 | 21 |
| 2022 | 22 |
| 2023 | 23 |
| 2024 | 24 |
| 2025 | 23 |