SKF 13833A Differential Pinion Seal - Rear

Rear Differential Pinion Seal for Subaru Axles

The SKF 13833A rear differential pinion seal is built for Subaru driveline applications that need a precise sealing surface and stable fit at the pinion shaft. With a polyacrylate sealing surface, 1.378 shaft diameter, 2.648 outside diameter, and 0.472 width, this seal is specified to help retain gear lubricant at the rear axle pinion area.

Compatible With Subaru Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca, XV Crosstrek, and B9 Tribeca rear axle applications across the listed model years. The SKF 13833A is also a direct cross-reference for 806735270 for the same application.

Key Features

• Part type: differential pinion seal for the rear axle
• Brand line: SKF Pinion Seal-Rear Axle
• Polyacrylate sealing surface type for the specified application
• Dimensions: 0.472 width, 2.648 outside diameter, 1.378 shaft diameter
• Engineered for rear differential pinion sealing on Subaru driveline systems
• Part number 13833A for catalog and service lookup

Detailed Description

SKF has a long history in shaft seal design, and this rear axle pinion seal reflects that focus on controlled sealing performance and material selection. The 13833A is designed around the listed dimensions and sealing surface type so it can seat correctly at the rear differential pinion location and help maintain lubricant containment while keeping road contaminants out. For Subaru rear axle service, this seal supports repair work on Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca, XV Crosstrek, and B9 Tribeca models within the stated year ranges. Use part number 13833A when verifying the correct rear pinion seal for your application.

Common Problems This Seal Can Address

• Gear oil seepage at the rear differential pinion area
• Contamination entering the rear axle through a worn seal
• Leak-related lubricant loss around the pinion shaft
• Noise or wear concerns tied to low differential fluid level
• Service replacement for a hardened or damaged rear pinion seal

Installation Notes and Tips

Confirm the rear axle application by year, make, model, and position before installation. Inspect the pinion shaft and sealing bore for wear, scoring, or debris, and clean the mating surfaces thoroughly before fitting the new seal. Proper alignment during installation is important to avoid damaging the sealing lip or distorting the seal body. Verify the seal dimensions and compare the old part to SKF 13833A before assembly.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and established bonding techniques. The brand’s seal engineering background and long-running use in drivetrain sealing support consistent fit and function for rear axle service.