LASCO SB-5 5/8-Inch x 27 Thread Faucet Seat for Kohler Brand Faucets, 3/8-Inch, Brass, 2-Pack Brass faucet seat 5/8-Inch x 27 threads x 3/8-Inch in length Fits Kohler Brand Faucets Original equipment manufacturer number 33345 Faucet replacement part