SKF 12900 Manual Transmission Seal - Rear

SKF 12900 Manual Transmission Seal for Mercury Capri

SKF 12900 is a manual transmission seal built for rear application use on 1972-1974 Mercury Capri models. It is specified with a nitrile sealing surface and precise dimensions to support a proper seal at the shaft and housing interface.

For buyers searching for a rear manual transmission seal for 1972-1974 Mercury Capri, SKF 12900 provides the dimensional details needed to match the application. The seal measures 1.299 inches at the shaft diameter, 1.975 inches outside diameter, and 0.472 inches in width.

Key Features

• Manual transmission seal for rear position use
• Nitrile sealing surface type for transmission sealing applications
• Shaft diameter: 1.299 inches
• Outside diameter: 1.975 inches
• Width: 0.472 inches
• Fits 1972-1974 Mercury Capri, rear
• SKF part number 12900 for catalog and cross-reference lookup

Detailed Description

SKF 12900 is engineered as a manual transmission seal for the rear position on Mercury Capri vehicles from 1972 through 1974. SKF has a long history in seal design and uses application-specific materials and construction methods to help maintain lubricant retention and reduce contamination at the sealing point. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

The nitrile sealing surface is selected for transmission sealing service, while the listed dimensions help confirm fitment before installation. Use SKF 12900 when you need a rear manual transmission seal for a 1972 Mercury Capri, 1973 Mercury Capri, or 1974 Mercury Capri. The part number 12900 is also useful when verifying interchange and ordering accuracy.

Common Problems This Seal Addresses

• Transmission fluid leakage at the rear seal area
• Contamination entering the manual transmission housing
• Seal wear from age, heat, and fluid exposure
• Incorrect replacement part selection during service
• Loss of sealing performance at the shaft interface

Installation Notes and Tips

Confirm the shaft diameter, outside diameter, and width against the original seal before installation. Inspect the sealing surface and surrounding housing for wear, scoring, or debris that could affect sealing performance. Clean the mating surfaces thoroughly and verify that the seal is seated evenly in the rear transmission position on the Mercury Capri.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The brand’s seal engineering background supports consistent fit and long service life in transmission sealing applications.