Hitachi OUP0023 Engine Oil Pump

Hitachi OUP0023 Engine Oil Pump

The Hitachi OUP0023 engine oil pump is an OE-style replacement built for specific Nissan applications. It is listed as an actual OE-grade oil pump for 1989-1996 Nissan models, including the 240SX, D21, and Pickup.

Key Features

• Manufacturer: Hitachi
• Part number: OUP0023
• Engine oil pump for engine lubrication system service
• OE-grade application coverage for select Nissan vehicles
• Direct interchange reference: 15010-40F00/A

Detailed Description

Hitachi OUP0023 is an engine oil pump for Nissan 240SX, Nissan D21, and Nissan Pickup applications listed in the fitment data. This part is identified as an actual OE-grade oil pump, making it a direct replacement choice for restoring oil circulation in the engine lubrication system. The OUP0023 part number is also referenced against 15010-40F00/A for the same application.

Compatible fitment includes Fits 1989-1990 Nissan 240SX, N/A; Fits 1990-1994 Nissan D21, N/A; and Fits 1995-1996 Nissan Pickup, N/A. Use the vehicle year and model details to confirm application before ordering the Hitachi OUP0023.

Common Uses

• Low oil pressure caused by a worn pump
• Oil circulation issues in the engine lubrication system
• Replacement during engine rebuild or major service
• Restoring proper oil delivery on Nissan 240SX, D21, or Pickup engines

Installation Notes

Verify engine code, mounting points, and gasket/seal condition before installation. Clean the oil passages and prime the lubrication system as required by the service procedure. Confirm fitment against the vehicle listing for your Nissan 240SX, Nissan D21, or Nissan Pickup before final assembly.

Quality Assurance

Manufactured by Hitachi, this oil pump is listed with OE-grade application coverage and an OE interchange reference for the specified Nissan fitments.