Wix 51346 Engine Oil Filter

WIX 51346 Oil Filter for Heavy-Duty Engines

The WIX 51346 engine oil filter is built for demanding diesel and gasoline applications where consistent oil flow and dependable filtration matter. It uses enhanced cellulose media, an anti-drain back valve, and a spin-on lube filter design to support cleaner oil circulation in heavy-duty service.

Compatible With 1979 Volkswagen Beetle oil filter applications, this WIX 51346 filter is also a practical cross-reference for several OE and aftermarket part numbers used in truck, farm, construction, mining, and industrial equipment service.

Key Features

• Enhanced cellulose media for high-capacity oil filtration
• Anti-drain back valve helps retain oil in the filter after shutdown
• Spin-on lube filter style for straightforward service replacement
• 21 micron filtration rating for capturing fine contaminants
• Bypass relief valve setting: 8-11 psi
• Flow rate: 7-9 GPM for heavy-duty oiling systems
• Corrosion-resistant can, center tube, and end caps for durability
• Burst pressure rated at 325 psi

Detailed Description

WIX 51346 is an HD oil filter engineered for long service intervals and demanding operating conditions. Its high-capacity media is paired with a leak-resistant construction that includes strong metal components and superior sealing elements. With a 3/4-16 thread size, 5.824-inch height, 3.234-inch outer diameter, and closed top inner design, it follows a spin-on format commonly used in heavy-duty lubrication systems. This part cross-references Motorcraft FL800 and NAPA Gold Filters 1346 for the same application.

For 1979 Volkswagen Beetle owners searching for a replacement oil filter by part number, WIX 51346 offers a direct service option where this application is specified. The filter’s anti-drain back valve and bypass setting help maintain oil delivery during startup and under varying pressure conditions.

Common Problems This Filter Helps Address

• Excess engine wear from contaminated motor oil
• Oil drain-back after shutdown that can delay lubrication at startup
• Restricted oil flow caused by overloaded or inefficient filtration media
• Leak concerns from worn or low-strength filter construction
• Premature filter breakdown in heavy-duty operating environments

Installation Notes and Tips

Verify the thread size, gasket sealing surface, and overall dimensions before installation. Pre-fill only if the engine manufacturer’s service procedure allows it, and always lubricate the gasket before tightening. Follow the vehicle or equipment service manual for oil change intervals and torque guidance. Fits 1979 Volkswagen Beetle, N/A.

Quality Assurance

WIX designs HD oil filters for OEM-recommended oil and filter change intervals, with corrosion-resistant construction and sealing components selected for long-lasting service in demanding conditions.