Kohler

Kohler toilets are excellent products. They often are marked on both the tank and the lid with part numbers. The tank will often have four lines of numbers, and one of those lines is the part number, usually in the format Kxxxx where the x's represent numbers. The other three lines include a date code and plant/manufacturing/lot codes. 

Depending on the age of the toilet, there may or may not be a sticker on the underside of the lid. If there is a sticker, the part number on the sticker is actually just the sticker's part number, not the tank lid part number. They often use the same sticker on different tank lids, so you will need to remove the sticker to reveal if it is stamped with a tank lid part number.

Kohler products went through a transition at some point. They used to use a number similar to the tank, Kxxxx. Eventually they changed their tank lids to use a number that starts with an 8. Many products were then given the original K number and the new 8 number. In most cases if there is a new and an old number listed on this site, the old number was the one you are most likely to find on the toilet tank lid, and the new number was one that they used in their spec sheets. Now they use 10xxxxxx numbers as well for toilet tank lids. 

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Kohler 1000832 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1000832 Old Lid P/N:  Lid Size: 20.5" x 10" Tank P/N:&nbs..
$150.00
Manufacturer: KOHLER New Lid P/N: 1001739 Old Lid P/N:  Lid Size: 18.25" x 8.25" Tank P/N:&..
$70.00
Kohler 1006066 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1006066 Old Lid P/N:  Lid Size: 16.625" x 6.75" Tank P/N:..
$50.00
Kohler 1010658 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1010658 Old Lid P/N:  Lid Size: 18" x 8" Tank P/N: One pi..
$65.00
Kohler 1010702 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1010702 Old Lid P/N:  Lid Size: 18.25" x 8" Tank P/N: One..
$65.00
Manufacturer: KOHLER New Lid P/N: 1015137 Old Lid P/N:  Lid Size: 16.75" x 7.875" Tank P/N:..
$65.00
Manufacturer: KOHLER New Lid P/N: 1015781 Old Lid P/N:  Lid Size: 17.5" x 8.125" Tank P/N: ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1015867 Old Lid P/N:  Lid Size: 18.75" x 8.125" Tank P/N:..
$50.00
Manufacturer: KOHLER New Lid P/N: 1016946 Old Lid P/N:  Lid Size: 19.25" x 8.25" Tank P/N: ..
$65.00
Kohler 1021921 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1021921 Old Lid P/N:  Lid Size: 17.375" x 7" Tank P/N:&nb..
$55.00
Manufacturer: KOHLER New Lid P/N: 1032188 Old Lid P/N:  Lid Size:  Tank P/N: K4608 Ta..
$50.00
Manufacturer: KOHLER New Lid P/N: 1033723 Old Lid P/N:  Lid Size: 18" x 9" Tank P/N: K4383,..
$50.00
Manufacturer: KOHLER New Lid P/N: 1036367 Old Lid P/N:  Lid Size: 17.5" x 7.25" Tank P/N: K..
$50.00
Manufacturer: KOHLER New Lid P/N: 1036375 Old Lid P/N:  Lid Size: 21.25" x 8.875" Tank P/N:..
$70.00
Manufacturer: KOHLER New Lid P/N: 1044820 Lid Size: 17" x 8" Tank P/N: K4438, K4708 Tank Size: 1..
$50.00
Kohler 1045184 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1045184 Old Lid P/N:  Lid Size: 15.5" x 7" Tank P/N: ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1046467 Old Lid P/N:  Lid Size: 18" x 8.25" Tank P/N:&nbs..
$50.00
Manufacturer: KOHLER New Lid P/N: 1052066 Old Lid P/N:  Lid Size: 14" x 7" Tank P/N: K4419 ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1052861 Old Lid P/N:  Lid Size: 17.25" x 8.5" Tank P/N: K..
$75.00
Manufacturer: KOHLER New Lid P/N: 1052862 Old Lid P/N:  Lid Size: 17.25" x 8.5" Tank P..
$75.00
Manufacturer: KOHLER New Lid P/N: 1055954 Old Lid P/N:  Lid Size: 19" x 10" Tank P/N: One P..
$65.00
Manufacturer: KOHLER / Sterling New Lid P/N: 1068490 Old Lid P/N:  Lid Size: 17.625" x 8.75"..
$50.00
Kohler 1070414 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1070414 Old Lid P/N:  Lid Size: 16.5" x 9" Tank P/N: K447..
$50.00
Kohler 1080568 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1080568 Old Lid P/N:  Lid Size: 12.25" x 6.5" Tank P/N: ..
$60.00
Kohler 1081363 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1081363 Old Lid P/N:  Lid Size: 11" x 5" Tank P/N: Tank ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1086929 Old Lid P/N:  Lid Size: 17.75" x 8.125" Tank P/N:..
$50.00
Manufacturer: KOHLER New Lid P/N: 1101882 Old Lid P/N:  Lid Size: 12.25" x  7.5" Tank ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1101883 Old Lid P/N:  Lid Size: 12.25" x  7.25" Tank..
$50.00
Manufacturer: KOHLER New Lid P/N: 1138565 Old Lid P/N:  Lid Size: 17.875" x 8.625" Tank P/N..
$50.00
Manufacturer: KOHLER New Lid P/N: 1145223 Old Lid P/N:  Lid Size: 17.75" x 10.375" Tan..
$50.00
Manufacturer: KOHLER New Lid P/N: 1145294 Old Lid P/N:  Lid Size: 19.25" x 8.5" Tank P/N: K..
$50.00
Manufacturer: KOHLER New Lid P/N: 1146775 Old Lid P/N:  Lid Size: 16.75" x 8.25" Tank P/N: ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1160268 Old Lid P/N:  Lid Size: 18.875" x 9.75" Tank P/N:..
$50.00
Manufacturer: KOHLER New Lid P/N: 1180586 Old Lid P/N:  Lid Size: 16" x 8" Tank P/N:  ..
$50.00
Manufacturer: KOHLER New Lid P/N: 1182368 Old Lid P/N:  Lid Size: 16" x 6.75" Tank P/N: K51..
$75.00
Kohler 1211811 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 1211811 Old Lid P/N:  Lid Size: 17.5" x 9.5" Tank P/N:&nb..
$50.00
Manufacturer: KOHLER New Lid P/N: 80424 Old Lid P/N: K4559 Lid Size: 13.25" x 8" Tank P/N: K4504..
$80.00
Manufacturer: KOHLER New Lid P/N: 80469 Old Lid P/N: K4552 Lid Size: 22" x 8.375" Tank P/N: K452..
$60.00
Manufacturer: KOHLER New Lid P/N: 80471 Old Lid P/N: K4558 Lid Size: 20.25" x 8.625" Tank P/N: K..
$65.00
Kohler 80484 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 80484 Old Lid P/N:  Lid Size: 20.25" x 8.625" Tank P/N:&n..
$50.00
Manufacturer: KOHLER New Lid P/N: 80576 Old Lid P/N: K4592, K4591 Lid Size: 18.625" x 8.5" Tank ..
$75.00
Manufacturer: KOHLER New Lid P/N: 80625 Old Lid P/N: K4565 Lid Size: 19.625" x 8.625" Tank P/N: ..
$75.00
Manufacturer: KOHLER New Lid P/N: 81180 Old Lid P/N: K4530 Lid Size: 19.75" x 7.625" Tank P/N: O..
$55.00
Kohler 81449 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 81449 Old Lid P/N: K4471 Lid Size: 21" x 10.5" Tank P/N: ..
$90.00
Manufacturer: KOHLER New Lid P/N: 81509 Old Lid P/N: K4556 Lid Size: 21" x 8 1/2" Tank P/N: K452..
$50.00
Kohler 81804 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 81804 Old Lid P/N: K4623 Lid Size: 15" x 7" Tank P/N: K3434AA ..
$85.00
Kohler 82372 Out Of Stock
Manufacturer: KOHLER New Lid Part Number: 82372 Lid Size: 18.25" x 7.25" Tank P/N:  Ta..
$126.00
Kohler 82530 Out Of Stock
Manufacturer: KOHLER New Lid P/N: 82530 Old Lid P/N: K4585 Lid Size: 16.375" x 9" Tank P/N: ..
$90.00
Manufacturer: KOHLER New Lid P/N: 82848 Old Lid P/N:  Lid Size: 15.375" x 6.375" Tank P/N:&..
$50.00
Manufacturer: KOHLER New Lid P/N: 82869 Old Lid P/N: K4534 Lid Size: 20.125" x 8.125" Tank P/N: ..
$75.00
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