3526-405A ALUMINUM WELD YOKE 3-28-1307

3526-405A UDS 1350 Weld Tube Yoke

The 3526-405A is a 1350 series aluminum weld tube yoke manufactured by UDS. In a driveshaft assembly, this yoke is welded to a cut driveshaft tube — the weld end seats against or inside the tube, and the yoke ears accept a 1350 series U-joint that connects to the mating yoke at the transmission, transfer case, or differential.

The tube specification is 4.000X0.083 — the yoke bore is machined for a 4.000-inch OD tube with 0.083-inch wall. Substituting a tube with the correct OD but a different wall thickness will produce an incorrect fit at the weld joint. The butt diameter of 3.844 inches is the outer dimension of the yoke at the weld face and determines how the yoke nests inside or butts against the tube end during assembly. The center-U-joint-to-weld dimension is 2.375 inches, measured from the U-joint centerline to the weld face; this value is used when calculating the finished overall driveshaft length after welding.

Specifications

• Part Number: 3526-405A
• Brand: UDS
• Series: 1350
• Butt dia: 3.844
• Center u j to weld: 2.375
• Material: ALUMINUM
• Tube dia wall: 4.000X0.083

Fitment & Installation Notes

Before welding the 3526-405A, confirm the tube is 4.000X0.083 — both OD and wall thickness must match the yoke specification. The 1350 series ranks above 1330 in torque capacity, with a 1.188-inch cap diameter, suited for 3/4-ton and 1-ton trucks, common in Ford Super Duty, GM 2500/3500, and Ram 2500/3500 applications. A 1350 U-joint is required in the yoke ears; do not install a different-series joint. Clean and deburr the tube end before fitting the yoke to ensure a concentric weld bead — off-center welds create vibration and driveshaft imbalance.

Browse related Weld Yokes including 1350 and adjacent series configurations available with various tube OD and wall specifications.