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BCBC M259 Engine Oil Pump
| Brand | BCBC M259 |
|---|---|
| Width | 10.5 |
| Width | 267.0 |
| Height | 198.0 |
| Height | 7.75 |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 4 |
| Housing Material | Aluminum |
| Drive Type | Crankshaft |
| Rotor Material | Powdered metal |
| Oil Pump Type | Rotary |
| Pickup Screen Diameter | 0.64 |
| Pickup Screen Diameter | 16.0 |
| Pickup Tube Diameter | 0.630 |
| Pickup Tube Diameter | 16.00 |
| Drive Shaft Included | No |
| Mounting Hole Diameter | 0.25 |
| Mounting Hole Diameter | 6.0 |
| Adjustable Bypass Pressure | No |
| Alternate Pressure Springs Included | No |
| Oil Pump Pressure Type | Standard pressure |
| Oil Pump Volume Type | Standard volume |
| Bolts Included | No |
| Bushing Included | No |
| Cotter Pin Included | No |
| Cover Material | Aluminum |
| Finish | Rust preventative |
| Gears Included | Not applicable |
| Governor Spinner Included | No |
| Guide Included | No |
| Product line | Stock |
| Fits | Nissan · 11 vehicles |
Standard replacement. Built for stock-style engine oil pump service and repair.
Rotary design. Uses gear and gerotor technology for efficient oil pressure control.
Tested for flow. Individually checked under simulated engine operating conditions.
Cross-references DNJ OP639A, Sealed Power 224-43638 and 057-1507 for the same application. See all 13.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Oil Pump for Nissan Applications
This Melling engine oil pump, part number M259, is a standard replacement rotary pump built for dependable oil pressure control. It uses gear and gerotor technology, close-tolerance machining, and precision-ground end plates to support efficient operation in demanding engine conditions.
- Standard replacement engine oil pump for service work
- Rotary design with gear and gerotor technology
- Aluminum housing and cover with rust-preventative finish
- Powdered metal rotor construction for consistent operation
- Includes gasket or seal for installation preparation
Detailed Product Information
The M259 is engineered as a direct engine oil pump replacement for select Nissan Frontier and Nissan Xterra applications. It is built with an aluminum housing and cover, a crankshaft drive type, and a standard pressure, standard volume configuration. The pump is assembled to production standards and individually tested for pressure and flow under conditions that duplicate engine operating conditions. If you are replacing a worn oil pump on a Nissan Frontier or Nissan Xterra, part number M259 provides the core specifications needed for a stock-style service repair.
This part cross-references DNJ OP639A and Sealed Power 224-43638 for the same application.
What It Helps Address
- Low oil pressure caused by pump wear
- Inconsistent oil circulation from a failing rotary pump
- Pressure loss related to worn gears or end plates
- Service replacement needs for stock-style engine lubrication repair
Installation Notes and Quality
Verify engine application, drive type, and mounting details before installation. The pump uses a four-hole mounting pattern and includes a gasket or seal; bolts are not included. Part number M259 is tested for pressure and flow before release, and Melling builds this pump to high production standards using quality materials and close-tolerance machining.
Compatible with 1999-2004 Nissan Frontier and 2000-2004 Nissan Xterra, this Melling oil pump is a practical replacement for stock applications. Part number M259 is also referenced by installers looking for a dependable oil pump replacement for Nissan Frontier and Nissan Xterra service work.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 3.3L | V6 | Stock |
| 2004 | Nissan | Xterra | 3.3L | V6 | Stock |
| 2003 | Nissan | Frontier | 3.3L | V6 | Stock |
| 2003 | Nissan | Xterra | 3.3L | V6 | Stock |
| 2002 | Nissan | Frontier | 3.3L | V6 | Stock |
| 2002 | Nissan | Xterra | 3.3L | V6 | Stock |
| 2001 | Nissan | Frontier | 3.3L | V6 | Stock |
| 2001 | Nissan | Xterra | 3.3L | V6 | Stock |
| 2000 | Nissan | Frontier | 3.3L | V6 | Stock |
| 2000 | Nissan | Xterra | 3.3L | V6 | Stock |
| 1999 | Nissan | Frontier | 3.3L | V6 | Stock |
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