SKF 99259 Differential Pinion Repair Sleeve - Front or Rear

SKF 99259 Differential Pinion Repair Sleeve

SKF 99259 is a differential pinion repair sleeve for restoring a worn sealing surface on the shaft. With a 2.598 in shaft diameter, this Speedi-Sleeve provides a precise stainless-steel surface for the pinion seal without changing seal size or removing the shaft.

Key Features

• 2.598 in shaft diameter for the specified pinion shaft application
• Engineered from AISI 304 stainless steel for a durable sealing surface
• Installs without shaft removal in many applications
• Restores scored or worn shaft surfaces for proper seal contact
• Includes an installation tool for accurate placement
• Cross-references SKF 99259 for the same application

Application Details

This SKF Speedi-Sleeve is used to refinish a worn differential pinion shaft where the seal rides on the shaft surface. It is a practical repair solution for Chevrolet C30, Chevrolet K30, Chevrolet P30, GMC C3500, GMC K3500, GMC P3500, Chevrolet C20 Suburban, and Chevrolet K20 Suburban rear axle applications listed below, including H110, H052, and H072 axle notes. SKF 99259 helps restore a smooth sealing area so the pinion seal can seat against a consistent surface again.

• Fits 1975-1981 Chevrolet C30, Rear, H110 Axle
• Fits 1977-1981 Chevrolet K30, Rear, H110 Axle
• Fits 1975-1981 Chevrolet P30, Rear, H110 Axle
• Fits 1979-1981 GMC C3500, Rear, H110 Axle
• Fits 1979-1981 GMC K3500, Rear, H110 Axle
• Fits 1979-1981 GMC P3500, Rear, H110 Axle
• Fits 1968-1972 Chevrolet C20 Suburban, Rear, Differential Pinion Seal for H052 & H072 Axles
• Fits 1968-1972 Chevrolet K20 Suburban, Rear, Differential Pinion Seal for H052 & H072 Axles

What It Helps Fix

• Grooved or scored pinion seal surfaces
• Oil leakage at the differential pinion seal
• Wear on the shaft where the seal contacts it
• Seal replacement failures caused by an uneven shaft finish
• Time-consuming shaft regrinding during axle service

Installation Notes

Clean the shaft thoroughly before installation and verify the shaft diameter matches the 2.598 in specification. The sleeve is designed to be installed over the existing shaft surface, and the included tool helps position it correctly for a uniform sealing area. For best results, inspect the pinion seal and surrounding components before reassembly.

Quality Assurance

SKF manufactures Speedi-Sleeve products to strict quality standards using stainless-steel construction for long service life and reliable sealing performance. The design is intended to restore the shaft surface quickly while maintaining the original seal size.