Marine Lower Unit Fluid Pump

Introducing the Universal Marine Lower Unit Fluid Pump, a compact yet robust tool engineered for hassle‑free engine lubrication on boats of all sizes. Crafted with a durable double‑threaded cap, this pump securely handles both quart and gallon lubricant containers, while the 24‑inch reinforced flexible hose slides effortlessly into hard‑to‑reach fill ports. Whether you’re servicing a high‑performance outboard or a cruising inboard, this pump delivers precise, mess‑free filling every time.

Why it matters: Keep your lower unit running smoothly with a pump that eliminates spills and saves time, extending the life of your propulsion system. Its ergonomic design reduces fatigue, making routine marine maintenance quicker and more enjoyable.

• Patented double‑threaded cap: Accepts both quart and gallon lubricant bottles, ensuring versatility for every boat owner and boosting SEO relevance for marine fluid pumps.
• 24‑inch flexible hose: Reaches recessed fill plugs without bending or stretching, perfect for tight engine compartments and enhancing boat maintenance efficiency.
• Broad compatibility – 3/8‑16 thread: Fits OMC, Mercruiser, Evinrude, Johnson, Volvo, Force, Honda 70 hp and up, and US‑origin Mercury models, making it a go‑to solution for popular outboard brands.
• Broad compatibility – 8 mm thread: Works with Yamaha, Nissan, Tohatsu, smaller Honda units, and Japanese‑origin Mercury engines, delivering universal coverage across the marine market.
• US Patent 7,857,172: Backed by a proven patent, guaranteeing a unique design that stands out in the competitive marine pump category.

Ready for any marine maintenance task: This lower unit fluid pump combines durability, adaptability, and patented engineering to become an essential part of your boat care kit. Trust the tool that marine professionals rely on to keep propulsion systems lubricated, protected, and performing at peak efficiency.

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.