3-2-1159B | 1350 Series Circular Flange Yoke , Holes: 8 x 0.394 Bolt circle Diameter: 3.996, 2.954F pilot

3-2-1159B 1350 Series Circular Flange Yoke 8-Bolt Pilot 75mm OD 120mm

The 3-2-1159B is a 1350 series circular flange yoke with an 8-bolt configuration. Bolt hole diameter is 0.394" on a 3.996" bolt circle with a 2.954" pilot diameter. The CJ-to-flat dimension is 2.250". Per the product notes, this yoke has an OD of 120mm / 4.725" with a 75mm pilot (8 holes).

Specifications

• Part Number: 3-2-1159B
• Series: 1350
• Bolt Holes: 8 x 0.394"
• Bolt Circle Diameter: 3.996"
• Pilot Diameter: 2.954" (75mm)
• CJ to Flat: 2.250"
• Notes: 1350 Series, 8 holes, Pilot 75mm, OD 120mm / 4.725"

When fitting the 3-2-1159B, confirm the companion flange carries 8 holes at 0.394" diameter on a 3.996" bolt circle with a 75mm (2.954") pilot. The 3-2-1159B shares the same bolt circle and hole count as the 3-2-1159 (1410 series), but the CJ-to-flat dimension differs — 2.250" vs 2.500" — and the series rating is 1350, not 1410. Ordering the wrong series will result in a cap dimension mismatch with the U-joint.

The 1350 series provides higher torque capacity than 1310 and 1330 while remaining below the 1410 rating. The 120mm / 4.725" OD and 75mm pilot are characteristic of heavy truck and commercial vehicle companion flanges in both European and North American markets. Confirm the driveshaft series is 1350 at this connection point before ordering the 3-2-1159B; the 3-2-1159 (1410 series) should be used when the driveshaft and yokes are rated 1410 throughout.