WIX 51734 Oil Filter Replacement

WIX 51734 is a premium oil filter engineered for Ford/IHC 7.3L Turbo Diesel engines (1994–2003), built to work with synthetic and high-mileage oils for reliable contaminant removal and protected starts.

When you run a heavy-duty diesel like the 7.3L Power Stroke, the oil filter becomes a frontline defender against abrasive particles, soot and sludge. The WIX 51734 uses a blended synthetic media and a silicone anti-drainback valve to keep oil flowing where it belongs, reduce wear during cold starts, and support extended service intervals when used with compatible oils.

How does this filter handle heavy-duty driving and towing?

The WIX 51734 is designed to manage the higher contaminant loads and thermal stresses that come with towing, long idles, and highway miles. Its media captures very small particles while the canister construction tolerates repeated cycles of pressure and temperature.

• Advanced blended media rated to trap up to 99% of particles at 26 microns (based on WIX testing)
• High-capacity design for extended debris holding between services
• Durable housing that resists deformation under repeated use

Will this work with synthetic or high-mileage motor oils?

Yes — the 51734 is formulated to be compatible with both synthetic and high-mileage formulations. That compatibility helps you extend oil change intervals responsibly when following manufacturer and oil maker guidelines.

• Media engineered to flow evenly with modern low-viscosity synthetics
• Designed to perform across a wide range of operating temperatures
• Supports extended service life claims up to specified mileages when used correctly

How does the anti-drainback valve protect the engine?

The silicone anti-drainback valve prevents oil from draining out of the filter when the engine is off, maintaining an oil supply ready for immediate circulation at startup. This reduces metal-to-metal contact and wear during the most vulnerable cold-start moments.

• Silicone construction resists hardening and cracking over time
• Keeps oil pooled in the filter to avoid dry starts after long stops
• Simple mechanical design that works reliably in diesel applications

How do I confirm fitment for my vehicle?

Always verify part compatibility before purchase by using the vehicle lookup tool or checking OEM cross-reference data. WIX 51734 is specifically matched to many Ford and International Harvester chassis with the 7.3L Turbo Diesel from 1994 through 2003, but exact fit depends on year and engine configuration.

• Enter year, make, model and engine in the part-finder before ordering
• Compare thread size and gasket diameter to your old filter if uncertain
• Consult vehicle service manual or dealer for special installations

Who is this for? The WIX 51734 is aimed at owners and technicians who run Ford/IHC trucks with the 7.3L Turbo Diesel and need dependable filtration when using synthetic or high-mileage oils. It's a fit for fleet operators, tow-vehicle owners, and anyone seeking a rugged, OE-grade replacement that supports extended drain intervals when paired with the right oil and service practices.