Pronto PO4460 Engine Oil Filter

Pronto PO4460 Engine Oil Filter

The Pronto PO4460 is a spin-on engine oil filter built with enhanced cellulose media for routine oil filtration in select Subaru applications. It uses a 25-micron rating, a 17 psi bypass relief valve setting, and an NBR gasket for a direct-fit service replacement.

Compatible With Subaru Impreza, Legacy, Outback, Baja, and Forester applications that call for an M20x1.5 thread and standard-life oil filter service. The Pronto Standard Life line focuses on straightforward filtration performance for everyday maintenance, and PO4460 is listed across multiple OE-style cross references.

Key Features

• Enhanced cellulose filter media for standard engine oil filtration
• Spin-on filter design for common service replacement
• 25-micron filtration rating
• Bypass relief valve setting: 17 psi
• Anti-drain back valve: no
• Gasket material: NBR with 0.12 in thickness
• Inside thread size: M20x1.5-6H
• Height: 3.01 in; outer diameter bottom: 3.16 in
• Burst pressure: 218

Detailed Description

Pronto PO4460 is an engine oil filter for Subaru vehicles that use an M20x1.5 thread pattern. It is listed for 1990-2004 Subaru Legacy, 2000-2004 Subaru Outback, 2003 Subaru Baja, 1998-2003 Subaru Forester, and 1993-2002 Subaru Impreza, with an additional 2011 Subaru Impreza application noted in the fitment data. This part cross-references Premium Guard PG4460 and Baldwin B301 for the same application.

The Standard Life product line is positioned for regular oil service intervals and uses enhanced cellulose media to capture contaminants while maintaining normal oil flow. The spin-on format, NBR gasket, and bypass valve setting support routine maintenance on engines that specify this filter size and thread.

What This Oil Filter Helps Address

• Engine oil contamination from normal wear particles
• Restricted oil flow caused by a loaded filter element
• Service replacement needs for Subaru Legacy, Outback, Baja, Forester, and Impreza models
• Oil filter fitment issues related to M20x1.5 thread applications
• Routine maintenance on engines requiring a standard-life spin-on filter

Installation Notes and Tips

Verify the engine’s required thread size, gasket dimensions, and filter height before installation. Confirm the mounting surface is clean, lightly lubricate the gasket before tightening, and follow the vehicle manufacturer’s torque procedure. For fitment, use the listed application details: Fits 1990-2004 Subaru Legacy, N/A; Fits 2000-2004 Subaru Outback, N/A; Fits 2003 Subaru Baja, N/A; Fits 1998-2003 Subaru Forester, N/A; Fits 1993-2002 Subaru Impreza, N/A; Fits 2011 Subaru Impreza, N/A.

Quality Assurance

Pronto Standard Life filters are built as OE-style service parts for routine maintenance use. PO4460 is specified with enhanced cellulose media, a 17 psi bypass setting, and a spin-on construction to meet the listed application requirements.