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Attaching Hardware U-Joints

U-Joint Attaching Hardware

The U-joint is only as secure as the hardware holding it in place. When attaching hardware is worn, mismatched, or incorrect for the series, it can lead to looseness, movement, or driveline issues that show up under load.

IEDLS U-joint attaching hardware includes u-bolt kits and u-bolt eliminators across common series sizes, with fitment-specific options for forged steel pinion yokes, forged steel transmission yokes, and aluminum applications.

Since 1981 • Ontario & Corona, CA • Nationwide shipping

Match the Hardware to the Series and the Yoke Style

U-joint attaching hardware is typically matched by U-joint series size and the style of yoke it’s used with. Traditional setups use u-bolts, which are commonly serviced using complete u-bolt kits sized to the series.

Some applications use u-bolt eliminators, which replace traditional u-bolt attachment with an alternate retention approach designed for specific yoke types or material applications. Because eliminators can be yoke-specific, the listing fitment details should be matched carefully, especially for forged 1350 steel pinion yokes, forged 1350 steel transmission yokes, and aluminum-based setups.

Common reasons people replace attaching hardware:

  • Replace worn u-bolts and hardware during a U-joint service
  • Match the correct series size (1310/1330/1350/1410)
  • Use a u-bolt eliminator where the yoke design calls for it
  • Ensure forged steel yoke applications use the correct eliminator type
  • Keep attachment secure for higher-load driveline use

U-Joint Attaching Hardware Products

IEDLS U-joint attaching hardware includes both u-bolt kits and u-bolt eliminators across common series sizes. The lineup includes u-bolt kits for 1310/1330 series (UBK-13) and 1350/1410 series (UBK-14). It also includes u-bolt eliminators for 1310 and 1350 aluminum applications (UBE-31A and UBE-35A), a 1310 billet cap replacement u-bolt eliminator (UBE-31), and forged 1350-specific eliminators for forged 1350 steel pinion yokes (UBE-35) and forged 1350 steel transmission yokes (SY-UBE-35).

Always match the listing’s Fits line to your U-joint series and confirm yoke type and material requirements when choosing an eliminator, especially for forged 1350 steel yoke applications.

N2-4-4191 – 32 Spline 1310 Transfer Case Yoke (NP203 / NP205 / NP208 / NP241) 

Price: $112.98

Part #: N2-4-4191

UPC: 00887753253033

Fits: NP203, NP205, NP208, NP241

32 spline | 1310

Category: Yokes → Transfer Case Yokes 

The N2-4-4191 is a 32-spline transfer case yoke built for 1310-series driveline sizing on common NP transfer cases. Hub, spline, and through-hole measurements are provided for match-up by specification.

  • 32 spline 1310 transfer case yoke 
  • Hub diameter: 2.125 in 
  • Spline diameter: 1.400 in (32 spline) 
  • Through-hole: 2.00 in 
  • Strap style 
  • U-joint C/L to end of hub: 3.4385 in

Compatible Applications: NP203, NP205, NP208, NP241 (32 spline, 1310 series)