Slip Assembly 32×61 2351-21 Series Inside Snap Ring Toyota Land Cruiser Long Travel, Splines 1.5×16 available for 2×0.120 To 3×0.095

Technical Overview: Slip Yoke SA2351-21U for 2351-21 Series Applications

Slip yokes accommodate driveshaft length changes as the suspension cycles. The SA2351-21U is a 2351-21 series slip yoke with a 1.500-inch spline and 16 splines, engineered for smooth axial movement under load without binding or excessive backlash. This is a direct-application part -- dimensioned for a specific combination of series rating and key dimension, with no need for secondary machining in standard installations.

Part Dimensions

Why Series Matching Is Non-Negotiable

Series 2351-21 sets the cross cap diameter, load rating, and operating angle specification for every component in that driveshaft section. Substituting a slip yoke from a different series introduces dimensional mismatches at the u-joint ears that prevent proper cap seating -- leading to rapid wear, seal failure, and potential separation. The SA2351-21U was designed for 2351-21 series, so the geometry matches exactly.

Before You Install

• Confirm 16 splines at 1.500-inch diameter is correct for your vehicle
• Check output shaft or spline for wear, scoring, or fretting before reinstalling
• Pack u-joint cross caps with chassis grease if your application has a grease fitting
• Torque retaining hardware to spec -- over-tightening snap ring grooves causes yoke cracking
• Rotate by hand before vehicle movement to check for binding or clunking

Note: SLIP Yoke with a u joint 32X61 series 2351-21 available for tube 3x095 CJ to Weld Collapsed: 11 Inch Heavy Duty Long Travel Set

The SA2351-21U is a catalog item at Universal Driveshafts -- available for fast dispatch. Contact our technical team if you need help confirming fitment.