Wix 51287 Engine Oil Filter

WIX 51287 Oil Filter for Porsche Applications

The WIX 51287 engine oil filter is built for Porsche 924, 944, 968, and 911 applications that call for dependable oil filtration during normal service and severe driving conditions. It is a spin-on lube filter with enhanced cellulose media, a 19 micron rating, and an anti-drain back valve for added protection at startup.

Key Features

• Spin-on lube filter design for straightforward oil filter service
• Enhanced cellulose media for efficient contaminant capture
• 19 micron filtration rating
• Anti-drain back valve helps reduce dry starts
• Bypass relief valve set at 30 psi
• Flow rate of 9-11 GPM for engine oil circulation needs
• Burst pressure rated at 310 psi
• Thread size: 20x1.5 mm

Detailed Description

WIX 51287 is engineered for engines using conventional, synthetic, or synthetic-blended motor oils, following OE-recommended oil change intervals. The filter is designed to trap dirt and contaminants effectively, with WIX reporting up to 50% more dirt-holding capacity than Protec in severe-duty use. When applicable, the flexible silicone anti-drain back valve helps keep oil in the filter after shutdown, which supports cleaner starts after extended service intervals. This part cross-references FRAM PH6941 and NAPA Gold Filters 1287 for the same application. Fits 1987-1988 Porsche 924, Fits 1983-1991 Porsche 944, Fits 1992-1995 Porsche 968, and Fits 1991-1994 Porsche 911.

What It Helps Address

• Oil contamination from dust, soot, and wear particles
• Dry engine starts after the vehicle sits
• Reduced filtration performance during stop-and-go driving
• Oil service needs for short-trip and highway use
• Routine maintenance on Porsche 924, 944, 968, and 911 models

Installation Notes and Tips

Verify the thread size, sealing surface, and filter clearance before installation. Replace the filter at the manufacturer’s recommended oil change interval, typically 3,750 to 10,000 miles and not more than 12 months. Confirm the correct oil specification for your Porsche 924, 944, 968, or 911 before service.

Quality Assurance

WIX publishes laboratory test performance data for this filter family, including ISO 4548 testing references and efficiency claims based on WIX filter testing. The 51287 is built to support OE-style maintenance intervals and severe-duty driving conditions.