As the leading ship supplier in Ross Dependency, Paint Holds RED Primer Hardener Thinner Minimum Paint Thinner Split, we specialize in delivering high-quality 1989 Mercruiser 4.3 Fuel Pump with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
The 1989 Mercruiser 4.3 fuel pump is a marine-specific mechanical pump designed for reliable fuel delivery in boating applications. It ensures consistent fuel pressure to the carburetor or throttle body for optimal engine performance. Built to withstand harsh marine conditions, it is durable and corrosion-resistant.
The 1989 Mercruiser 4.3 Fuel Pump is a mechanical diaphragm-type pump designed for marine applications. Key specifications include:
Size: Approximately 4.5 x 3.5 x 2.5 inches (L x W x H).
Grade: SAE J1171 compliant for marine use (ignition-protected).
Viscosity: Compatible with gasoline (10W-30 or similar engine oil for lubrication).
Buoyancy: N/A (non-buoyant, mounted on engine).
Material: Cast aluminum housing, stainless steel fittings, nitrile diaphragm.
Pressure Rating: 4-7 psi (typical for carbureted systems).
Flow Rate: ~30-35 gallons per hour (GPH).
Inlet/Outlet: 3/8-inch NPT threaded ports.
Mounting: Bolt-on to engine block (compatible with Mercruiser 4.3L V6).
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