Oil Pump for Quart Bottles | Transmission Fluid Transfer | 3rd Hand Clip

This hand-operated lube pump screws straight onto 28mm quart bottles for clean fluid fills. It pushes heavy lubricants through clear vinyl tubing, making it easy to service gearboxes and diffs tucked behind axles or exhaust pipes. Features and Benefits - Standard 28mm cap threads - Spins right onto standard 1-quart bottles to keep the pump steady while working - Snap-on filler tube clip - Secures the hose tip inside the fill port so the line won't pop out mid-stroke - See-through delivery hose - Lets you monitor fluid flow and snakes around suspension arms into tight spots - 8cc stroke volume - Displaces thick 75W-90 and 80W-90 gear lubes steadily with basic hand pressure Applications - Filling truck rear differential housings through side inspection plugs - Topping off manual transmission cases and transfer cases under a vehicle - Servicing lower unit gear lube on outboard boat motors from quart jugs Key Tips for Best Results Ensure the supplied extension tubes reach the bottom of the container before pumping to avoid drawing air. Heavy gear oil flows slowly, particularly in cold workshops, so warm the fluid bottle beforehand to reduce viscosity and minimise hand fatigue. Secure the third hand adapter firmly to the filler neck or port to prevent the discharge tube slipping out during use. Pump with smooth, consistent downstrokes. When planning maintenance after a long drive, allow running gear to cool slightly before filling, and clean the pump assembly after use to prevent cross-contamination between different fluid grades. What It Is This tool is a manual hand pump designed specifically to transfer fluids directly from standard quart bottles holding 946 ml. Classified as a gear oil pump, it replaces awkward gravity funnels and messy squeeze bottles when working in tight vehicle underbodies. The unit features a dedicated pump head, extension tubes to reach the base of the bottle, and an integrated third hand clip. The clip holds the discharge line securely inside the vehicle fill hole, allowing single-handed pumping without the risk of the hose popping out and spilling fluid across the workshop floor. Key Uses & Applications This gear oil pump is intended for servicing gearboxes, transaxles, and axles where access is restricted. It dispenses transmission fluid, differential fluid, and heavy gear oil into level plugs positioned high on casings. The third hand adapter makes it ideal for working alone on vehicle ramps or axle stands, locking the hose into the filler aperture while you operate the manual hand pump below. It fits standard quart containers, making it practical for top-ups, routine drivetrain servicing, and fluid replacements in light commercial vehicles, passenger cars, and workshop machinery requiring precise fluid transfer.