3301-201 – Companion Flanges – 1.401″ Splines dia – 32 Splines – 2.125″ Hub Dia
$83.76
10 in stock
Description
The 3301-201 companion flange is a critical component for ensuring proper driveline function in NP203 and NP205 transfer cases. With a counterbore depth of 0.421 inches, this flange is engineered to fit securely and maintain alignment. If you notice vibrations or abnormal noises during operation, a worn or misaligned flange could be the culprit. Symptoms like these often point to issues with the flange face runout or improper installation.
This flange features a spline count of 32 and a spline diameter of 1.401 inches, which are essential for a snug fit with the corresponding yoke. The hub diameter measures 2.125 inches, and it includes a thru hole of 2.000 inches along with a pilot diameter of 2.000 inches. The dual bolt circle diameters of 3.5 inches and 4.25 inches, combined with 8 bolt holes designed for M12-1.75mm threaded bolts, ensure a secure attachment to the differential or transfer case.
When installing the 3301-201, it’s crucial to clean all mating surfaces and torque the bolts in a star pattern to avoid uneven stress. Regularly checking the face runout can prevent vibration issues that lead to premature wear. This part is not just a replacement; it’s a restoration of your driveline’s integrity.
- Counterbore depth: 0.421 inches
- Compatible with 3594-2000U or equivalent
- Ensure proper alignment to prevent vibration
- Check bolt torque in a star pattern during installation
- Inspect for wear regularly to maintain performance
| Bolt circle dia | 3.5, 4.25 |
|---|---|
| Hub dia | 2.125 |
| Notes | Counterbore depth .421", USE WITH: 3594-2000U or equv. Ford NP205 NP203, M12-1.75mm |
| Partn number | 3301-201 |
| Pilot dia | 2.000 |
| Remaining stock | '+10 |
| Splines count | 32 |
| Splines dia | 1.401 |
| Through hole | 2.000 |
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 | Remaining stock '+10 Partn number 1301-231 Splines count 23 Splines dia 0.990" Hub dia 1.500" Through hole 1.530 Pilot dia 1.808 Bolt circle dia 3.340 Face to end 2.234 Notes Toyota Mid-ship, SQ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 | Brand UDS Partn number 2-1-1313-4 Pilot dia 2.375 Bolt circle dia 3.125 Bore dia 1.250 Keyway 0.312 Outside dia 3.875 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 4.250 Hub dia 1.875 Notes Dana 60, 70 Pinion Conversion Flange Partn number 2010948 Pilot dia 2.000 Remaining stock <10 Splines count 29 Splines dia 1.276 Through hole 1.500 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 100mm Hub dia 1.848 Notes Pinion Tri-Flange V6 12/18 Bolt hole Partn number 2801-301 Pilot dia 0 Remaining stock <10 Splines count 30 Splines dia 1.250 Through hole 1.000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 4.250 Hub dia 1.943 Notes Front 2007-2017 JEEP JK T-case Adapter Partn number 3-1-32JK Pilot dia 2.000 Remaining stock <10 Splines count 32 Splines dia 1.401 Through hole 2.000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 4.250 Hub dia 1.943 Notes Rear 2007-2017 JEEP JK T-case Adapter Partn number 3-1-32R Pilot dia 2.000 Remaining stock <10 Splines count 32 Splines dia 1.401 Through hole 2.000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Hub dia 1.554 Notes Uses 2352-1001 (plunge) Partn number 3101-262 Pilot dia 3.937 Remaining stock <10 Splines count 26 Splines dia 1.146 Through hole 1.535 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Hub dia 1.450" Notes Uses 2352-1001 (plunge) Partn number 3101-262M Pilot dia 3.937 Remaining stock <10 Splines count 26 Splines dia 1.146 Through hole 1.535 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Hub dia 1.400 Notes Uses 2352-1001 (plunge) Partn number 3101-262M2 Pilot dia 3.937 Remaining stock <10 Splines count 26 Splines dia 1.146 Through hole 1.535 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
