SKF 19669 Differential Pinion Seal - Rear

SKF 19669 Differential Pinion Seal

SKF 19669 is a rear differential pinion seal built for precise sealing at the pinion shaft. With a 1.969 shaft diameter, 3.161 outside diameter, and LongLife sealing surface type, it is specified to help maintain lubricant retention at the differential input while keeping road contaminants out.

For BMW M5 owners searching for a rear differential pinion seal, SKF 19669 provides a direct-fit sealing solution for the listed applications. It is engineered with premium materials and SKF’s long-running seal design expertise for consistent sealing performance in driveline service.

Key Features

• Part number: 19669
• Rear differential pinion seal for driveline sealing service
• 1.969 shaft diameter for the pinion shaft interface
• 3.161 outside diameter for the housing bore
• LongLife sealing surface type
• Designed with premium materials for application-specific sealing properties
• Fits BMW M5 rear applications listed below

Detailed Description

SKF 19669 is a differential pinion seal designed to seal the rear pinion area where the driveshaft connects to the differential. Accurate sealing at this point helps preserve gear oil inside the axle assembly and limits contamination from dirt, water, and debris. This part number 19669 is listed for 1988 BMW M5 rear and 1991-1993 BMW M5 rear applications, making it a focused choice for BMW M5 differential service.

This part cross-references 145819669 and 975919669 for the same application.

What It Helps Address

• Gear oil seepage at the rear differential pinion area
• Contamination entering the differential housing
• Wet or oily residue around the pinion seal surface
• Seal wear from age, heat, and driveline movement
• Service needs on BMW M5 rear differential assemblies

Installation Notes and Tips

Inspect the pinion shaft and housing bore before installation. Clean the sealing surfaces thoroughly and verify the shaft diameter and outside diameter match the application. During service, check for scoring, corrosion, or wear that could affect seal life. Confirm fitment for 1988 BMW M5 rear and 1991-1993 BMW M5 rear before installation.

Quality Assurance

SKF has a long history in seal engineering and manufactures seals to specific designs using premium materials for the intended application environment. SKF 19669 is built to meet high manufacturing standards for dependable driveline sealing performance.