SKF 18442 Differential Pinion Seal - Rear

SKF Rear Differential Pinion Seal

SKF 18442 is a rear differential pinion seal built for the rear axle sealing point where the driveshaft pinion enters the differential. It is engineered with a polyacrylate sealing surface and precise dimensions to help maintain lubricant retention and keep road contaminants out.

Compatible with a wide range of Ford, Lincoln, Mazda, and Mercury rear axle applications, including Ford Explorer, Ford Taurus, and Lincoln MKS models. SKF 18442 is a direct-fit style seal for service work that requires accurate shaft sealing at the pinion.

Key Features

• Part number: 18442
• Rear differential pinion seal for rear axle service
• Polyacrylate sealing surface type
• Outside diameter: 2.875 in.
• Shaft diameter: 1.844 in.
• Width: 0.413 in.
• Designed for rear-position applications

Product Details

SKF has a long history in seal engineering, including early integrated shaft seal development and continued refinement of sealing materials and bonding methods. This rear differential pinion seal is manufactured to specific design requirements using premium materials so the seal matches the demands of the application and operating environment. For rear axle service on vehicles such as the Ford Explorer, Ford Taurus, and Lincoln MKS, SKF 18442 helps restore the sealing interface at the pinion area.

This part cross-references 3L8Z4N046AA and NA0127165 for the same application.

What It Helps Address

• Gear oil leakage at the rear differential pinion
• Contamination entering the rear axle housing
• Seal wear from age, heat, and driveline use
• Loss of lubricant at the pinion shaft sealing surface
• Service replacement for rear axle seal maintenance

Installation Notes

Verify shaft diameter, outside diameter, and width before installation. Clean the sealing bore and pinion surface thoroughly, and inspect the mating surface for wear or scoring before fitting the new seal. Confirm rear-position fitment against the vehicle application list, including 2011-2019 Ford Explorer, 2008-2016 Ford Taurus, 2009-2015 Lincoln MKS, and other listed rear axle applications.

Quality Assurance

SKF manufactures seals to high quality standards with an emphasis on long service life and dependable sealing performance. Part number 18442 is built for rear differential pinion seal service across the listed Ford, Lincoln, Mazda, and Mercury applications.