Oil Filter Filter Design Spin-On Thread Size - Automotive Filters 3/4 in Length 3 15/16 in Outside Dia 4 1/4 in Micron Rating 18 micron Includes 8 PSID By-Pass Valve Anti-Drainback Valve I. Gasket Fluid Type - Automotive Filters Oil Description/Special Features Full-Flow Lube Spin-on (Also Used as Hydraulic or Transmission)