SKF 18863A Automatic Transmission Output Shaft Seal - Right

SKF 18863A Output Shaft Seal Overview

SKF 18863A is an automatic transmission output shaft seal built for the right-side application on select Mazda CX-5 and Mazda CX-9 models. It is engineered with a polyacrylate sealing surface and precise dimensions to help maintain transmission fluid control at the output shaft.

For drivers searching for a Mazda CX-5 right transmission output shaft seal or a Mazda CX-9 right automatic transmission seal, SKF 18863A provides a direct-fit service part with application-specific sizing.

Key Features

• Automatic transmission output shaft seal for the right side
• Polyacrylate sealing surface type for fluid sealing performance
• Outside diameter: 2.646 in.
• Shaft diameter: 1.886 in.
• Width: 0.354 in.
• SKF part number 18863A for catalog lookup and ordering

Detailed Description

SKF 18863A is designed for transmission sealing at the output shaft, where accurate fit and material selection matter. SKF has a long history in seal engineering, including early shaft-seal development and continued refinement of bonding methods and material design. This seal is manufactured to specific application requirements using premium materials selected for the operating environment.

Compatible With 2013-2017 Mazda CX-5, right, and 2016-2017 Mazda CX-9, right. This part cross-references Monroe Shocks & Struts (e.g., GF7L27238) for the same application. Search terms such as Mazda CX-5 right output shaft seal, Mazda CX-9 automatic transmission seal, and SKF 18863A transmission seal can help narrow the correct replacement.

What It Helps Address

• Transmission fluid leakage at the output shaft
• Contamination entering the transmission sealing area
• Wear-related seal deterioration at the shaft interface
• Incorrect seal sizing during transmission service
• Noise or drivability concerns caused by low fluid level from seal failure

Installation Notes and Tips

Verify the vehicle year, model, and right-side application before installation. Inspect the shaft surface and surrounding sealing area for scoring, debris, or damage that could affect sealing performance. Clean the mating surfaces thoroughly and confirm the seal is seated squarely to the specified depth during service.

Quality Assurance

SKF manufactures seals to high production standards with application-specific design and material selection. The brand’s seal engineering background and long-term focus on keeping lubricants in and contaminants out support dependable transmission service.