American Standard Genuine Replacement Toilet Models and Tank Reference Guide
Complete Toilet Models
American Standard complete toilet model numbers begin with a "2" or a "3" and are usually four digits longs (ex: 2000, 2023, 2018). The four digit numbers may include color codes or toilet style codes as a suffix, the tanks usually are consistent for similar model numbers. For example, 2813.079 and 2813.075 use the same tank. Most one-piece toilets will have a stamp of the "2xxx" number under the lid or inside the tank. For all two-piece toilets, or tanks beginning with the number "4", please see the chart below for cross referencing.
Tank Reference Chart
This chart is for all American Standard two piece toilets. American Standard two-piece toilets have tank models that begin with the number "4", and are usually four digits long. Similar tank numbers with different suffix extensions will use the same parts.
