Oil Filter / Toro NN10143Pack Size:1Lesco 012958, Toro NN10143Champ Labs PH400S, ESF 159-452, Foley/PLP 159-452, Green Line 38938, Green Meadow OF11, Mow More ON19, Napa 1762, NHC 264-8517, Prime Line 7-07107, Rotary 6678, Sunbelt SB-6678Onan 16 and 20 HP twin cylinder models from 1989-1994; Toro 16 and 20 HP twin cylinder models from 1989-1994Thread: 3/4 "-16, OD: 3 ", Height: 4 3/8 ", Micron: 30, Made By: An OEM supplier, 8-11 PSI pressure relief, Anti-drain valve