BBB Industries 990-0377 Power Steering Pump

Reman Power Steering Pump for Mazda RX-7

BBB Industries 990-0377 is a remanufactured power steering pump for select Mazda RX-7 applications. Built with a cast iron housing and supplied with an installation kit, this reman power steering pump is configured for remote reservoir systems and uses a keyway pulley attachment.

Key Features

• Remanufactured BBB Industries Reman Power Steering Pump
• Part number 990-0377
• Cast iron housing for durable pump construction
• Remote reservoir design with 1 reservoir inlet
• Inlet thread size: M8x1.25
• Outlet attachment type: banjo with M18x1.50 outlet thread
• 3 mounting holes for direct-fit installation
• Installation kit included
• No pulley included
• No filter, sensor, reservoir, or reservoir cap included

Product Details

This BBB Industries reman power steering pump is built for Mazda RX-7 steering systems that use a remote reservoir layout. The pump features a cast iron housing, one reservoir-style inlet, and a banjo-style outlet with M18x1.50 threading. It is a remanufactured unit, and part number 990-0377 cross-references 19319181 for the same application.

Compatible with 1988-1991 Mazda RX-7, non-reservoir style power steering pump, and 1987 Mazda RX-7, w/o reservoir; w/ pump mounted under reservoir (late style). Use this reman power steering pump when servicing a Mazda RX-7 power steering system that matches the listed reservoir configuration.

Common Problems This Part Can Address

• Loss of power steering assist
• Whining or noisy pump operation
• Fluid leakage at the pump body or outlet connection
• Heavy or inconsistent steering effort
• Poor hydraulic pressure in the steering system

Installation Notes and Tips

Verify the reservoir style, inlet thread size, outlet connection, and mounting-hole count before installation. This pump does not include a pulley, reservoir, reservoir cap, sensor, or filter, so reuse or source those components as needed for the vehicle setup. Confirm belt alignment and inspect hoses and fittings during replacement to help prevent repeat steering issues.

Quality Assurance

BBB Industries remanufactured steering components are rebuilt to restore proper pump function for service replacement use. This part is listed as remanufactured and includes an installation kit for the job.