FAG SS6271 Automatic Transmission Output Shaft Seal - Left

Automatic Transmission Output Shaft Seal for Hyundai and Kia

FAG SS6271 is an automatic transmission output shaft seal built with a polyacrylate sealing material and a rubber spring auxiliary-lip design. It is specified for left-side applications on a wide range of Hyundai and Kia vehicles, including Sonata, Santa Fe, Optima, Sorento, and Sedona models.

Key Features

• Part number SS6271 for transmission sealing applications
• Automatic transmission output shaft seal design
• Polyacrylate sealing material for transmission fluid sealing performance
• Rubber seal with spring and auxiliary lip construction
• Bore diameter: 2.756 in. / 70.002 mm
• Seal outside diameter: 2.761 in. / 70.129 mm
• Seal width: 1.575 in. / 40.005 mm
• Compatible with left-side fitments on select Hyundai and Kia vehicles

Detailed Description

FAG SS6271 is engineered for transmission output shaft sealing where dimensional accuracy and material selection matter. The seal measures 2.756 inches at the bore, 2.761 inches at the outside diameter, and 1.575 inches in width, helping it match the specified housing and shaft interface for the listed applications. Its polyacrylate sealing material and rubber spring auxiliary-lip construction are used to maintain sealing contact and help control transmission fluid leakage at the output shaft area. This part number SS6271 is listed for left-side applications on vehicles such as Hyundai Sonata, Hyundai Santa Fe, Kia Optima, Kia Sorento, and Kia Sedona.

This part cross-references Bosch 15744 for the same application.

What It Helps Address

• Transmission fluid seepage at the output shaft seal area
• Contamination entering the transmission housing through a worn seal
• Seal wear caused by age, heat, and fluid exposure
• Leak-related drivability concerns tied to low transmission fluid level
• Service replacement needs on left-side Hyundai and Kia applications

Installation Notes and Tips

Verify shaft diameter, housing dimensions, and vehicle-side position before installation. Clean the sealing surface thoroughly and inspect the output shaft for wear, scoring, or contamination that could affect seal life. Use the vehicle application data to confirm the correct left-side fitment for your Hyundai or Kia model before ordering. FAG SS6271 is also referenced under global number 413 6271 100 in select catalog listings.

Quality Assurance

FAG states that its seals are built to meet vehicle manufacturer specifications using high-quality materials and supplier-controlled production standards. The brand’s sealing approach focuses on protecting critical components from dirt, dust, and moisture while helping retain lubricant over the service life of the bearing or transmission assembly.