Wix 51784 Engine Oil Filter - Full Flow

WIX 51784 HD Oil Filter Overview

The WIX 51784 is a heavy-duty spin-on engine oil filter built for demanding service in trucks, farm equipment, construction machinery, mining equipment, and other hard-working applications. It uses high-capacity cellulose media, a corrosion-resistant canister, and a leak-resistant sealing design to support long service intervals and consistent oil filtration.

Compatible With applications that call for a 1-12 thread, 6.987-inch height, and 3.674-inch outer diameter top, this filter is also cross-referenced with Fleetguard LF3316 and FRAM PH39 for the same application.

Key Features

• Heavy-duty spin-on lube filter for engine oil service
• Cellulose media with 24 micron filtration rating
• Anti-drain back valve helps retain oil in the filter after shutdown
• Flow rate rated at 12-16 GPM for high-demand lubrication systems
• High burst pressure rating of 345 for rugged operating conditions
• Corrosion-resistant can, center tube, and end caps for durability
• No bypass relief valve setting

Detailed Description

Built for diesel and industrial service, the WIX 51784 oil filter is engineered to deliver dependable engine protection where oil cleanliness matters under load. Its high-capacity media helps capture contaminants while maintaining flow, and the anti-drain back valve supports quicker oil pressure on restart. The filter’s closed top, 1-12 thread size, and spin-on design make it a direct service part for equipment that specifies this configuration. This part number, 51784, is commonly searched for heavy-duty maintenance on Caterpillar, Komatsu, and Nissan applications, including Nissan oil filter replacement searches for industrial and truck use.

What It Helps Address

• Engine wear caused by circulating dirt and debris
• Oil drain-back after shutdown that can delay pressure on startup
• Filter collapse or leakage under demanding operating conditions
• Reduced filtration efficiency during extended service intervals
• Maintenance needs on medium and heavy-duty equipment

Installation Notes and Tips

Verify thread size, gasket sealing surface, height, and outer diameter before installation. Confirm the engine or equipment calls for a spin-on lube filter with a closed top and no bypass relief valve setting. For best results, replace the filter during scheduled oil service and pre-fill only if the engine manufacturer allows it. Always follow the equipment service manual for torque and oil change procedures. The WIX 51784 is frequently referenced in Caterpillar oil filter, Komatsu oil filter, and Nissan oil filter searches, so matching the original specification is important.

Quality Assurance

WIX positions this HD oil filter for OEM oil and filter change intervals and builds it with high-strength, corrosion-resistant components for long-lasting service. The 51784 is designed to meet the demands of heavy-duty engines and equipment that require reliable filtration and leak-resistant construction.