DJ Rock OP900 Engine Oil Pump

Engine Oil Pump for Toyota 4Runner, Pickup, Celica

The DJ Rock OP900 engine oil pump is a premium rotary pump built to maintain steady oil pressure throughout the engine. It uses a crankshaft drive, cast aluminum housing, and a pressure relief valve to help regulate flow during cold starts and higher engine speeds.

Compatible with 1985-1995 Toyota 4Runner, 1985-1995 Toyota Pickup, and 1985 Toyota Celica, this oil pump is a direct-fit lubrication component for select Toyota engines. The OP900 is built around OEM-style dimensions and sealing surfaces for dependable service in rebuild and repair work.

Key Features

• Premium-grade engine oil pump for select Toyota applications
• Rotary oil pump design with standard pressure and standard volume output
• Cast aluminum housing for strength and heat resistance
• Crankshaft-driven operation for consistent oil delivery
• Pressure relief valve helps regulate system pressure
• Gasket or seal included for installation
• Five mounting holes for secure fitment

Detailed Description

The DJ Rock OP900 is engineered to circulate pressurized engine oil to rotating and sliding components, helping maintain lubrication where it matters most. Its rotary design, hardened internal components, and integrated pressure control support stable oil flow under changing operating conditions. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For Toyota 4Runner, Toyota Pickup, and Toyota Celica applications, the OP900 provides a practical replacement when the original pump shows wear, pressure loss, or sealing issues. The cast aluminum housing resists warping, while the included gasket or seal supports a proper seal at installation. Part number OP900 is also referenced as OP900 in catalog listings for easy identification.

What It Helps Fix

• Low oil pressure readings
• Oil circulation problems after startup
• Engine noise related to poor lubrication
• Wear from inconsistent oil delivery
• Leaks at the oil pump sealing surface

Installation Notes and Tips

Verify engine application, mounting pattern, and oil pump drive style before installation. Clean the mating surfaces thoroughly and inspect the pickup tube, oil pan gasket, and related lubrication components during service. Prime the pump and confirm oil pressure after startup to verify proper operation.

Quality Assurance

DJ Rock OP900 is manufactured to meet or exceed OEM quality standards and uses durable materials selected for engine service conditions. The pump is built for precision fit and reliable oil control in select Toyota applications.