Description
3526-406A UDS 1350 series aluminum weld tube yoke. Fits 4.000″ OD x 0.125″ wall tube, 3.757″ butt diameter, 2.375″ CJ-to-weld. Alternate part number ATY1350-400. Aluminum — lighter than steel equivalent but same 1350 series U-joint compatibility.
3526-406A -- UDS 1350 Aluminum Weld Yoke, 4.000"x0.125" Tube, 3.757" Butt
Choosing aluminum over steel for a weld yoke is a weight decision: the 3526-406A saves mass at the yoke position, which reduces rotational inertia and unsprung weight in performance and motorsport driveshaft builds. The tradeoff is weld technique -- aluminum requires TIG welding with proper pre-heat and filler selection; MIG welds used on steel yokes are not appropriate here. The weld quality is more sensitive to operator skill than a steel joint, but a correctly executed aluminum weld on a balanced shaft is fully service-worthy.
Alternate part number: ATY1350-400. Tube fit: 4.000-inch OD at 0.125-inch wall. Butt diameter is 3.757 inches. CJ-to-weld is 2.375 inches. 1350 series ear bores accept a 1.188-inch cap U-joint. Confirm tube wall is exactly 0.125 inches -- a 0.120-inch or 0.134-inch wall tube changes the fit at the butt joint.
- Part Number: 3526-406A | Alt: ATY1350-400
- Series: 1350
- Material: Aluminum
- Tube: 4.000" OD x 0.125" wall
- Butt Diameter: 3.757"
- CJ to Weld: 2.375"
Steel and aluminum Weld Yokes for 1350 series in multiple tube sizes.
Alternative parts:
| Butt dia | 3.757 |
|---|---|
| Center u j to weld | 2.375 |
| Material | ALUMINUM |
| Partn number | 3526-406A |
| Series | 1350 |
| Tube dia wall | 4.000X0.125 |
| Brand | UDS |
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