Pronto PO4459-HN2 Engine Oil Filter

OE Style Engine Oil Filter

The Pronto OE Style engine oil filter is built for direct-fit service on a wide range of Honda and Acura applications. Part number PO4459-HN2 uses a spin-on design with an M20x1.5-6H internal thread, making it a practical replacement for routine oil service on vehicles such as the Honda Civic, Accord, Odyssey, and Acura TL.

With an anti-drain back valve and bypass relief valve, this filter is specified to help maintain oil flow during startup and under restricted-flow conditions. The OE Style line focuses on factory-style fitment and serviceability for drivers looking for a straightforward replacement filter.

Key Features

• Spin-on engine oil filter design
• Anti-drain back valve helps retain oil in the filter after shutdown
• Bypass relief valve supports oil flow when the filter media is restricted
• M20x1.5-6H internal thread size
• 3.01 in. height and 3.16 in. outside diameter top
• Closed outer diameter bottom
• OE Style replacement for factory-style applications

Detailed Description

Pronto PO4459-HN2 is an OE Style engine oil filter engineered for direct replacement service on select Acura and Honda models. It is listed for applications including 1988-1997 Honda Civic, 1994-1997 Honda Accord, 1999-2004 Honda Odyssey, 2001-2002 Acura MDX, and 1999-2003 Acura TL, along with additional Prelude, Integra, CL, RL, Pilot, and Civic del Sol coverage. This part cross-references Honda OEM 15400P0H305 for the same application.

The filter’s spin-on construction, anti-drain back valve, and bypass relief valve are the core service features to look for in an engine oil filter replacement. PO4459-HN2 is sized for the listed applications and supports regular oil change maintenance on Honda and Acura engines that use this filter specification.

What It Helps Address

• Oil filter replacement during scheduled maintenance
• Loss of oil retention after engine shutdown
• Restricted oil flow during cold starts or high-load operation
• Service needs on Honda and Acura engines using the specified thread and size
• Direct replacement for OE-style filter applications

Installation Notes

Verify the thread size, filter height, and outside diameter against the vehicle’s original specification before installation. Confirm the engine application for your Honda Civic, Accord, Odyssey, or Acura model, since fitment varies by year and engine platform. Install the filter according to the vehicle manufacturer’s oil service procedure and check for proper sealing after startup.

Quality Assurance

Pronto OE Style parts are built around factory-style fitment requirements for routine maintenance service. This filter is specified with an anti-drain back valve and bypass relief valve to support consistent oil system operation in the listed applications.