Wix 51512 Engine Oil Filter

WIX 51512 Engine Oil Filter Overview

The WIX 51512 engine oil filter is built for dependable oil filtration in everyday driving and severe service conditions. It is a spin-on lube filter with enhanced cellulose media, a 21-micron rating, and an anti-drain back valve for added protection against dry starts.

Compatible With 1981-1986 Nissan 720 and 1971 Toyota Corona, this filter supports OE-recommended oil change intervals for vehicles using conventional, synthetic, or synthetic-blended motor oils. The WIX 51512 is also a common cross-reference for NAPA Gold 1512 applications.

Key Features

• Spin-on lube filter design with 3/4-16 thread size
• Enhanced cellulose media for oil filtration performance
• Anti-drain back valve helps retain oil in the filter after shutdown
• 21-micron filtration rating with 7-9 GPM flow rate
• 280 burst pressure rating for demanding engine service
• Closed top inner diameter and 2.95-inch outer diameter top
• Fits normal and severe driving conditions, including stop-and-go traffic and short trips

Detailed Description

WIX Part Number 51512 is an engine oil filter engineered to trap dirt and contaminants while maintaining oil flow across a wide range of driving conditions. According to WIX, this filter can capture more contaminants than Protec in severe-duty use and is recommended for OEM oil and filter change intervals, typically 3,750 to 10,000 miles, not to exceed 12 months. The flexible silicone anti-drain back valve helps reduce dry-start wear when the vehicle sits between service intervals.

For drivers servicing a Nissan 720 or Toyota Corona, the WIX 51512 offers a straightforward OE-style replacement choice for routine maintenance. It is also listed under interchange references such as NAPA Gold 1512 for the same application.

Common Problems This Filter Helps Address

• Excess engine wear from contaminated motor oil
• Oil drain-back after shutdown that can contribute to dry starts
• Reduced filtration performance in stop-and-go or short-trip driving
• Premature oil filter restriction from dirt buildup
• Maintenance needs for vehicles on standard OE service intervals

Installation Notes and Tips

Replace the filter during scheduled oil service and verify the thread size, gasket sealing surface, and filter clearance before installation. Pre-fill only if the vehicle service procedure allows it, and always lubricate the gasket with clean engine oil before tightening to the manufacturer’s specification. Confirm the correct application for your Nissan 720 or Toyota Corona by matching the part number and service requirements.

Quality Assurance

WIX states that this filter is tested to ISO 4548 performance standards and built for use with conventional, synthetic, and synthetic-blended oils. The construction includes a burst pressure rating of 280 and a silicone anti-drain back valve where applicable, supporting consistent filtration performance in normal and severe driving conditions.