Standard. 2-5/8"; outside diameter is 3". Features an anti-drain back valve and a spin on oil filter design.
Additional InformationTreat your engines to top quality products by Kohler. This genuine Kohler spin on oil filter is sure to keep your engine running clean and in top shape. KOHLER 12 050 01-S Oil Filter. Standard. 2-5/8", outside diameter is 3".