Spicer 5-3206X AAM 1485 Series Solid-Cross Maintenance-Free Universal Joint (OSR Style)

Eliminate harsh driveline vibrations, stop severe clunking during gear shifts, and restore maximum load capacity to your truck with this genuine Spicer 5-3206X AAM 1485 Series Universal Joint. Engineered as a high-durability, premium original equipment manufacturer (OEM) replacement component, this Outside Snap Ring (OSR) universal joint is designed specifically to withstand the massive rotational torque profiles generated by heavy-duty diesel and gas trucks.

On modern heavy-duty pickup platforms, the driveshaft must handle intense stress under acceleration, payload hauling, and heavy commercial towing. Over high mileage or severe use, the factory-installed needle bearings within the u-joint caps naturally lose their lubrication or face moisture entry from elements like rain, road salt, or boat ramps. A failing universal joint introduces structural play into the driveline, manifesting as an aggressive chassis shudder under load, a high-pitched squeak at low speeds, or a harsh clunking noise when transitioning between drive and reverse. Ignoring a worn u-joint risks a catastrophic on-road failure that can drop the driveshaft, damaging the transmission housing, transfer case, fuel tank, or frame rails.

Manufactured by Dana Spicer, the global benchmark in drivetrain technology, the 5-3206X features a solid-cross design forged from high-strength alloy steel. This non-greaseable "Life Series" layout does not contain internal grease channels, eliminating common stress points and maximizing pure structural rigidity under peak torque loads. The joint comes factory-packed with premium synthetic lubrication and is completely sealed by advanced multi-lip elastomeric rubber boots. This keeps lubrication secured while permanently locking out road grime, dirt, water, and salt, altogether eliminating the need for regular manual greasing intervals.

Kit Contents:

• (1) Genuine Spicer AAM 1485 Series Solid-Cross Universal Joint

• (4) Precision-Ground Bearing Cups with Pre-Packed Synthetic Lubricant

• Complete Set of Heavy-Duty External Outside Snap Rings

Kit Highlights:

• Maintenance-Free Engineering: Factory-sealed design locks out road contamination and retains high-grade synthetic grease for an extended service lifespan without required grease intervals.

• Cold-Forged Solid Cross: Forged without internal grease passages to deliver maximum structural integrity and prevent twisting or fracturing under high-payload towing stresses.

• Premium Multi-Lip Sealing: Features robust elastomeric cup seals and integrated thrust washers to maintain an absolute barrier against environmental elements.

• Flawless Fitment: Precision-machined to exact factory specifications to guarantee a precise press-fit into your truck’s driveshaft yoke or pinion flange, keeping rotational runout at zero.

Drivetrain & Series Specifications:

• Yoke Retention Style: Outside Snap Ring (OSR) / External Lock-Up.

• Series Identification: American Axle Manufacturing (AAM) 1485 Series.

• Bearing Cup Diameter: 1.375 inches (34.9 mm).

• Cap-to-Cap Width: 4.178 inches (106.1 mm).

• Common Applications: Rear driveshaft positions on heavy-duty trucks utilizing AAM 1485 components, primarily including 2003+ Dodge Ram 2500 / 3500 4x4 trucks (Cummins Turbo Diesel / Hemi V8) and select Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD models.