MOOG Greaseable Premium 331 U-joint

Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles

STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability

KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants

GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution

INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear

RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup

RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

MOOG Greaseable Premium 331 U-joint