Hand Oil Pump System | 3L Fluid Filler Tank | 8-Piece Fitting Adapters

Service modern gearboxes cleanly with this manual hand oil pump and fluid filler system. The 3L reservoir holds enough fluid for complete drains and refills. Built specifically as a transmission fluid pump, it pressurizes manually to push ATF and heavy gear oils into sealed vehicle gearboxes. Features and Benefits - 3-liter marked reservoir tank - Lets you measure the exact amount of fluid pumped into the transmission. - Eight vehicle-specific fill adapters - Connect securely to threaded service ports on modern sealed gearboxes without leaks. - Manual lever-action pump mechanism - Pushes thick fluid steadily up into underbody ports without an air compressor. - Integrated shut-off ball valve - Cuts off fluid flow instantly so you can swap adapters without dripping. Applications - Servicing dipstick-free sealed automatic transmissions that need bottom-up fluid charging. - Refilling transfer cases and front differentials on four-wheel-drive trucks after maintenance drains. - Flushing manual gearboxes with fresh fluid on vehicles elevated on jack stands or shop lifts. What It Is This unit is a manual hand press oil pump fitted with a 3L fluid filler tank made from polyethylene and aluminum. Designed for controlled fluid dispensing, the system includes a 1.5 m hose and an 8-piece fitting adapter set to connect directly to fill ports. Built specifically as a hand oil pump, it dispenses lubricants directly from the reservoir without requiring an external air supply or electrical connection. The construction resists common workshop lubricants while offering a stable, freestanding reservoir for mobile servicing and garage maintenance tasks. Key Uses & Applications This system is configured for topping up and refilling automotive components with engine oil, gear oil, and transmission fluid. The 1.5 m hose reaches awkward fill plugs, differentials, and gearbox housings where standard bottles cannot fit. Mechanics use the 8-piece adapter set to secure clean connections into fill openings, preventing fluid loss and air ingress during servicing. The manual hand press action lets you pump viscous lubricants steadily into vehicle sumps, transfer cases, and manual or automatic gearboxes without splashing or overfilling sealed housings. How to Choose When selecting a hand or siphon pump, match the tool to the liquid you need to move. A manual oil filler operates under positive pressure, whereas buyers learning how to use a siphon pump or how to use siphon pump setups rely on gravity feed, requiring the source container to sit higher than the receiving tank. For tasks like how to siphon gas with a hand pump, always ensure the pump seals are specifically rated for volatile fuels rather than lubricants. For heavy fluids like gear oil, choose a dedicated reservoir pump with proper port adapters.