Timken 1215N Manual Transmission Output Shaft Seal - Rear

Timken 1215N Manual Transmission Output Shaft Seal

The Timken 1215N manual transmission output shaft seal is built for rear-position applications on select Mazda vehicles, including RX-7, B2000, B2200, and 626 models. It is engineered to retain transmission lubricant at the output shaft while helping block dirt and debris from entering the sealing area.

Key Features

• Precision sealing design for manual transmission output shaft service
• N-Polyacrylate material for durability in lubricant-sealing applications
• Reinforced outer case helps reduce installation damage
• Ribbed rubber inner diameter helps seal minor shaft imperfections and promote seating
• Internal contamination exclusion system helps limit debris intrusion
• Vent holes support lubricant flow around the seal lip to reduce heat build-up
• Counter-clockwise helix type
• Dimensions: 1.895 in. outside diameter, 1.378 in. shaft diameter, 0.512 in. width

Detailed Description

Timken 1215N is a manual transmission output shaft seal designed for rear transmission service where lubricant retention and contamination control are critical. The seal’s reinforced outer case supports installation, while the ribbed inner diameter helps maintain contact on shafts with minor surface wear. Its vented design promotes lubricant circulation around the lip, helping manage heat at the sealing interface. This part cross-references BBB Industries 13931 for the same application. Timken 1215N is a direct-fit service part for select Mazda RX-7, Mazda B2000, Mazda B2200, and Mazda 626 rear manual transmission applications.

What It Helps Address

• Transmission fluid leakage at the output shaft
• Contamination entering the rear seal area
• Seal wear caused by heat build-up
• Poor sealing on shafts with minor imperfections
• Damage during seal installation

Installation Notes and Tips

• Verify housing bore, shaft diameter, and width before installation: 48.00 mm bore, 35.00 mm shaft, 13.00 mm width.
• Confirm counter-clockwise helix orientation matches the original seal.
• Inspect the shaft surface for grooves, scoring, or corrosion before installing the new seal.
• Clean the bore and sealing surface thoroughly to support proper seating.
• Use care during installation to avoid distorting the outer case or sealing lip.

Quality Assurance

Timken manufactures oil and grease seals with precision sealing designs intended for dependable lubricant control and contamination exclusion in drivetrain service. Timken 1215N is built to the listed dimensions and application requirements for compatible Mazda manual transmission rear output shaft service.