MOOG Greaseable Universal Joint 374 for Ford F-250 Super Duty — Heavy-Duty, Serviceable U-joint

MOOG 374 is a greaseable premium universal joint engineered for heavy-duty trucks and fleets that need durable, serviceable driveline performance.

This greaseable universal joint is built by MOOG to withstand tough operating conditions while making routine maintenance straightforward. Constructed from hardened materials and precision-ground components, the 374 U-joint delivers dependable rotation, improved grease flow and protection against contamination. It’s designed for technicians and vehicle owners who want a serviceable joint that resists premature wear and performs under load.

How does this U-joint stand up to heavy use?

The MOOG 374 uses cold-formed, case-hardened bearing cups and cross trunnions ground to a smooth finish to resist wear under repeated stress. Nitrile seals and engineered thrust washers help keep contaminants out and protect lubrication pathways.

• Case-hardened, precision-ground bearing cups for increased strength
• Cross trunnions finished to 15–25 RMS to minimize microscopic grooves
• Nitrile sealing to retain grease and block debris
• Thrust washer with internal valve to regulate lubrication flow

What makes servicing and maintenance easier with this model?

MOOG designed the 374 as a greaseable unit to allow easy, onsite lubrication without disassembly. Drilled and tapped grease fitting holes feed large reservoirs and radial channels so fresh grease reaches bearing surfaces efficiently.

• Grease fitting holes pre-drilled and tapped for quick servicing
• Large cross trunnion reservoirs with radial grease channels
• Internal lubrication valve controls grease distribution and prevents dry starts
• Serviceability reduces downtime and extends component life

Will this U-joint resist dirt, water and underbody debris?

Yes — the 374 incorporates nitrile seals and robust sealing geometry to limit ingress of water, mud and road grime. That protection, combined with scheduled greasing, helps maintain smooth operation in harsh environments.

• Nitrile seals engineered for grease retention and debris exclusion
• Sealed bearings reduce contamination-related failures
• Durable construction suited for off-road and fleet conditions

How do I confirm this U-joint fits my truck?

MOOG 374 is designed for many heavy-duty applications, but fitment can vary by year, axle configuration and driveline setup. Always verify fitment by checking vehicle-specific guides, part numbers, and fitment tools before purchase.

• Confirm year, make, model, engine and trim for compatibility
• Check OEM part numbers and MOOG cross-references when available
• Use seller fitment tools or consult a technician for complex drivelines

Who is this for: The MOOG 374 greaseable universal joint is aimed at fleet managers, commercial vehicle technicians and owners of heavy-duty pickup trucks who prioritize serviceable, long-wearing driveline components. It’s suited for vehicles regularly exposed to heavy loads, off-highway use or demanding duty cycles and for anyone who prefers a field-serviceable joint to reduce downtime and extend driveline life.