4102-391R Flange Yoke 1410 Serrated – 4.725 Swing Diameter ( Plate OD ) Bolt Circle Diameter: 3.943 Rectangle Pattern: 2.264×3.232
$94.26
50 in stock
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Description
4102-391R 1350 series flange yoke, rectangular 8-bolt pattern, serrated pilot. 3.950 in bolt circle, 0.450 in holes, 4.725 in plate OD, 2.375 in CJ-to-flat. Verify bolt circle and pilot before ordering.
Full Description
4102-391R 1350 Series Flange Yoke — Rectangle Pattern, Serrated Pilot
The 4102-391R is a 1350 series flange yoke with an 8-bolt rectangular pattern and serrated pilot. The bolt circle diameter is 3.950 inches with 0.450-inch bolt holes, the centerline-to-flat dimension is 2.375 inches, and the swing diameter (plate OD) is 4.725 inches. The pilot designation is N/A Serrated — a serrated engagement rather than a smooth cylindrical pilot bore.
Specifications
- Part Number: 4102-391R
- Series: 1350
- Bolt Circle Diameter: 3.950 in
- Bolt Hole Diameter: 0.450 in
- Bolt Holes: 8
- Pilot Type: Serrated
- Center U-Joint to Flat: 2.375 in
- Plate OD (Swing Diameter): 4.725 in
- Bolt Pattern: Rectangle
When fitting the 4102-391R, verify the companion flange has a 3.950-inch bolt circle with 8 holes at 0.450-inch diameter in a rectangular arrangement. The serrated pilot on this yoke requires the companion flange to also carry a matching serrated pattern — a smooth female bore on the companion flange will not provide the required centering interface. The 4.725-inch plate OD defines the swing clearance envelope; confirm there is adequate clearance in the driveshaft tunnel.
The 4102-391R uses a rectangular 8-bolt pattern, which provides increased clamp load distribution compared to a 4-bolt arrangement at the same bolt circle diameter. The 1350 series U-joint interface at the ears requires 1350 series U-joints throughout the assembly. The 2.375-inch CJ-to-flat must be factored into driveshaft length calculations. Verify bolt circle and pilot type before ordering.
Additional information
| Bolt circle dia | 3.950 |
|---|---|
| Bolt hole dia | 0.450 |
| Cj to flat | 2.375 |
| Partn number | 4102-391R |
| Pilot dia | N/A, SERRATED |
| Series | 1350 |
| Bolt Holes | 8 |
| Notes | Rectangle Pattern |
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 | Partn number 10-2-29 Series 1000 Pilot dia 2.250 Bolt circle dia 2.750 Bolt hole dia 4 Brand SPICER Notes Rec Bolt Pattern Bolt Holes 4 Cj to flat 1.562 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.200 Bolt hole dia 0.411 Cj to flat 1.125 Partn number 1102-191 Pilot dia 1.968 ⋅ M Series ATV Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 | Pilot dia 1.811 Partn number 1202-181 Bolt Holes 4 Bolt hole dia 0.400 Series 1251 Bolt circle dia 3.200 Cj to flat 1.625 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.550 Bolt hole dia 0.425 Cj to flat 1.625 Partn number 1202-196 Pilot dia 1.968-M Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 2.950 Bolt hole dia 0.395 Cj to flat 1.900 Partn number 1202-20 Pilot dia 1.968-M Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.555 Bolt hole dia 0.427 Cj to flat 1.750 Partn number 1202-201 Pilot dia 1.991-F Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.200 Bolt hole dia 0.406 Cj to flat 1.750 Partn number 1202-21 Pilot dia 1.968-M Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.347 Bolt hole dia 0.407 Cj to flat 1.625 Partn number 1202-237 Pilot dia 2.375-M Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 2.750 Bolt hole dia 0.323 Cj to flat 1.375 Partn number 1202-252 Pilot dia 2.248-M Series 1251 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
