Quicksilver 25W-50 High-Performance Synthetic Blend 4-Stroke Marine Oil, 1 QtFuel filter cap removal/installation tool 896661 is the specific tool to aid in the installation or removal of fuel filter cap assemblies on Mercury or Mariner 75-400hp FourStroke & 2-stroke outboards, and DFI/EFI/Jet/Racing/Pro XS outboards. See your owner's manual, parts listing or service manual for exact application and installation instructions.Engine Part Application:75/90/115 DFI 1.5L (3 Cylinder) (Serial 1B227000-1B736885)75/90/115/125 DFI 1.5L (3 Cylinder) (Serial 1B736885-2B112577)115 Pro XS 1.5L - 3 Cylinder (Serial 1B751825-2B123429)135/150/175 4-Stroke (Serial 1B381712-1B517158)135/150/175/200 4-Stroke (Serial 1B517159-2B576734)200 OPTIMAX V6 DFI (Serial 1B912786-2B535571)200 DFI (3.0L)(DTS) (Serial 0T801000-1B417701) 225 DFI (3.0L)(DTS) (Serial 0T599000-1B417701)200/225 DFI (3.0L)(DTS) (Serial 0T599000-1B964735)200/225 (3.0L)(Mechanical) (Serial 1B417702-1B504988)200/225/250/200 Pro XS (3.0L)(Mechanical) (Serial 1B504989-2B535086)200/225/250/275 4-Stroke Verado (Serial 1B227000-1B517433)200/225/250/275/300 4-Stroke Verado (6 Cylinder) (Serial 1B517434-2B144122)200/250/300 Pro Verado (4-Stroke)(6 Cylinder) (Serial 1B830170-2B577715)200/225/250/300 HP Verado 6 CYL (Serial 2B144123-2B578935)350-400/350 PRO/400R Verado (4-Stroke)(6 Cylinder) (Serial 2B141124-3B342962)Key Product Features Specific tool to aid in the installation or removal of fuel filter cap assemblies on Mercury or Mariner 75-400hp FourStroke & 2-stroke outboards, and DFI/EFI/Jet/Racing/Pro XS outboards; See your owner's manual, parts listing or service manual for exact application and installation instructions; Easy to install with common shop tools; Engine Part Supersedes