Transfer Case Assembly | 19221-3757R

NP231 Transfer Case Jeep, 1987-90 XJ Cherokee, MJ Commanche, & XJ Wagoneer, 21 Spline Input, With Slip Yoke Eliminator Kit That Converts The Rear Output To A Bolt On Yoke, It Will Require A New Custom Rear Drive Shaft That Is Not Included,Zumbrota Transfer Cases are rebuilt to unparalleled standards for confidence and satisfaction driving  behind the wheel. Our expert craftsmen take pride in restoring each unit to ensure the utmost quality by diligently executing each step.  Cases and internal components are thoroughly inspected and tested for signs of wear such as cracks, stripped threads, shaft straightness, gear wear and chain stretch.  Zumbrota uses an exclusive Hydro-blast rinse and blasting procedure on internal and external parts, followed by a proprietary shot-enticed deep cleaning. Each unit is fully rebuilt with replacement of all bearings, seals, and viscous couplers. All finished units are thoroughly spun tested for shift-ability and noise. All transfer cases are shipped in high density plastic totes to eliminate damage in transit.

• Units are shipped in high density plastic totes to help eliminate in-transit damage.
• 100% replacement of seals, bearings, viscous couplers (when applicable) and other common wear components.
• All cases are cleaned utilizing our state of the art hydro blasting and rinsing process. This process is what brings all cases back to the OEM finish.
• All units are quality inspected throughout the remanufacturing process to maintain our quality standard.