Autolite 4164 Spark Plug

Autolite 4164 Spark Plug Keep your marine engine running strong with the Autolite 4164 Spark Plug. Designed for dependable ignition performance in Ford-based marine applications, this OEM-style spark plug delivers consistent spark energy, efficient combustion, and reliable engine operation whether you're towing, surfing, skiing, or cruising. A quality spark plug plays a critical role in maximizing engine performance and fuel efficiency. Over time, normal wear can reduce spark quality, leading to hard starts, rough idle, sluggish throttle response, and increased fuel consumption. Replacing worn ignition components helps restore smooth operation and maintain the power your engine was designed to produce. Manufactured to meet demanding performance standards, the Autolite 4164 is engineered to withstand the heat, vibration, and moisture common in marine environments. Its durable construction helps provide reliable ignition and long service life for a variety of popular inboard engines. Common Engine Applications The Autolite 4164 spark plug is commonly used in Ford-based marine engines, including: PCM Ford 351W PCM Pro Boss 351 PCM GT-40 PCM GT-40 Pro Boss PCM HO 351 Indmar Ford 351 Windsor Indmar Ford 5.8L Pleasurecraft Marine Ford 5.8L applications Crusader Ford 351 marine engines Common Boat Fitments These engines are frequently found in classic inboard ski, wake, and sport boats, including: Nautique Ski Nautique 196 Ski Nautique 2001 Sport Nautique Super Sport Nautique Air Nautique Supra Supra Comp Supra Sunsport Supra Mariah Supra Launch Supra Legacy Moomba Moomba Outback Moomba Mobius Moomba Mobius LS Moomba Boomerang MasterCraft MasterCraft ProStar 190 MasterCraft ProStar 205 MasterCraft Maristar 200 MasterCraft Maristar 225 Correct Craft Barefoot Nautique Sport Nautique Excel Nautique Additional applications may include Centurion, Tige, Sanger, and other inboard boats equipped with compatible Ford 351 marine engines. Features Genuine Autolite 4164 spark plug Designed for Ford-based marine engines Promotes efficient combustion and smooth engine operation Helps improve starting performance and throttle response Durable construction for marine environments Ideal for tune-ups and routine maintenance OEM-style fit and performance Why Replace Spark Plugs? Fresh spark plugs help maintain proper ignition performance, fuel efficiency, and engine reliability. Replacing worn plugs can reduce misfires, improve idle quality, and restore lost power, helping your boat perform its best every time you hit the water. Whether you're maintaining a Nautique, Supra, Moomba, MasterCraft, or other Ford-powered inboard boat, the Autolite 4164 Spark Plug delivers dependable performance and long-lasting reliability for your marine engine.