DJ Rock OP638 Engine Oil Pump

Brand DJ Rock OP638
Fits Nissan · 10 vehicles

OE-quality standards. Built to meet or exceed OEM expectations for dependable performance.

Cast aluminum housing. Resists warping and corrosion under extreme engine temperatures.

Rotary pump design. Maintains consistent oil flow with precise pressure control.

Cross-references 224-43672 and M385 for the same application. See all 2.

$180.48Free shipping
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Engine Oil Pump for Nissan Altima and Sentra

DJ Rock OP638 is a premium rotary engine oil pump built for crankshaft-driven lubrication systems. It maintains standard oil pressure and standard volume to keep oil moving through the engine under changing operating conditions.

Fits 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra. This engine oil pump includes a cast aluminum housing, a gasket or seal, and a pressure relief valve for controlled oil delivery.

Key Features

  • Premium-grade engine oil pump for lubrication system service
  • Rotary pump design with crankshaft drive type
  • Standard pressure and standard volume output
  • Cast aluminum housing for strength and heat resistance
  • Gasket or seal included for installation service
  • Pressure relief valve helps regulate oil pressure during cold starts and high-speed operation

Product Details

DJ Rock OP638 is an engine oil pump for 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra applications. It circulates oil under pressure to rotating and sliding engine parts, helping maintain lubrication across the engine. The rotary design, cast aluminum housing, and internal pressure control components are selected for consistent operation in demanding engine conditions. This part cross-references Monroe Shocks & Struts (e.g., 224-43672, M385) for the same application.

What It Helps Fix

  • Low oil pressure readings
  • Oil circulation problems after startup
  • Engine noise related to poor lubrication
  • Wear caused by inconsistent oil delivery
  • Pressure control issues in the lubrication system

Installation Notes

Verify engine application by year, make, and model before installation. Inspect the oil pickup, gasket surfaces, and related lubrication components during service. Prime the pump and confirm proper oil pressure after installation. Use the included gasket or seal as required by the application.

Quality Assurance

DJ Rock OP638 is engineered to meet or exceed OEM quality standards for durability and precision in engine lubrication service.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006NissanAltimaN/A
2006NissanSentraN/A
2005NissanAltimaN/A
2005NissanSentraN/A
2004NissanAltimaN/A
2004NissanSentraN/A
2003NissanAltimaN/A
2003NissanSentraN/A
2002NissanAltimaN/A
2002NissanSentraN/A
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
224-43672M385