SKF 9878 Manual Transmission Seal - Front, Rear or Rear Inner

SKF Manual Transmission Seal for Toyota Corolla

SKF 9878 is a manual transmission seal built around a 1.000-inch shaft diameter, 1.503-inch outside diameter, and 0.250-inch width. The nitrile sealing surface is selected for transmission sealing duties where lubricant retention and contamination control are critical.

Compatible with 1970-1974 Toyota Corolla front applications, from 5/70. This SKF 9878 seal is a direct-fit service part for manual transmission sealing needs on the Toyota Corolla platform.

Key Features

• Manual transmission seal for front application use
• 1.000-inch shaft diameter for the specified fitment
• 1.503-inch outside diameter for housing fit
• 0.250-inch width for compact sealing depth
• Nitrile sealing surface for transmission fluid sealing
• SKF part number 9878 for catalog and cross-reference lookup

Detailed Description

SKF 9878 is engineered as a manual transmission seal for vehicles requiring a front-position seal with the listed dimensions. SKF has a long history in seal design and manufacturing, including early integrated shaft seal development, and continues to produce seals using application-specific designs and premium materials. For 1970-1974 Toyota Corolla front service, this seal supports the sealing interface needed to keep lubricant contained and contaminants out.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Seal Helps Address

• Transmission fluid seepage at the front seal area
• Contamination entering the manual transmission housing
• Wear-related sealing loss at the shaft interface
• Service replacement needs on a Toyota Corolla manual transmission
• Fitment lookup for SKF 9878 and related interchange references

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal orientation before installation. Inspect the shaft surface for scoring or corrosion, and clean the sealing area thoroughly so the nitrile lip can seat evenly. For Toyota Corolla front applications from 5/70 through 1974, confirm the transmission variant and compare the old seal dimensions to SKF 9878 before assembly.

Quality Assurance

SKF manufactures seals to defined application specifications and quality standards, using materials selected for the operating environment. The brand’s seal engineering background and long-running OE and aftermarket presence support consistent fit and service life for manual transmission sealing applications.