SKF 19740A Differential Pinion Seal - Front

SKF 19740A Differential Pinion Seal

SKF 19740A is a front differential pinion seal built for driveline sealing performance where shaft rotation and lubricant retention matter. With a 1.969 shaft diameter, 3.161 outside diameter, and 0.315 width, this seal is specified for applications that need a precise fit and stable sealing contact.

Key Features

• Polyacrylate sealing surface type for consistent sealing performance
• 1.969 shaft diameter for the specified pinion shaft application
• 3.161 outside diameter and 0.315 width for dimensional match-up
• Designed for front differential use in driveline and axle systems
• SKF engineering and manufacturing focused on long service life

Application Details

Compatible with front differential applications on 2012-2021 Ram 1500, 2011-2017 Dodge Durango, 2011-2016 Jeep Grand Cherokee, 2012-2016 Ram 1500, 2004-2012 Volkswagen Touareg, and 2007-2010 Audi Q7. This SKF 19740A differential pinion seal is also cross-referenced to 0AA409189 and 68084183AA for the same application.

SKF has a long history in seal design and material development, including early integrated shaft seal innovation. This part is manufactured to specific design requirements using premium materials selected for the operating environment, helping maintain lubricant control in driveline service.

Common Problems This Seal Can Address

• Gear oil leaking from the front differential pinion area
• Contamination entering the differential through a worn seal
• Noise or driveline issues caused by low lubricant level
• Seal wear from age, heat, or shaft movement
• Service replacement for damaged OE-style pinion seals

Installation Notes and Tips

Inspect the pinion yoke, shaft surface, and surrounding housing before installation. Clean the sealing bore thoroughly and verify the seal dimensions against the original part number 19740A before assembly. Proper installation technique is important to avoid damaging the sealing lip or distorting the seal body.

Quality Assurance

SKF manufactures seals to high quality standards with an emphasis on durability and safety in automotive service. The brand’s sealing expertise and material selection are intended to support long-term driveline performance in demanding front differential applications.