SKF 18112 Automatic Transmission Seal - Front Rearward, Rear or Rear Inner

SKF 18112 Automatic Transmission Seal

SKF 18112 is an automatic transmission seal built for rear and front rearward applications where precise sealing matters. With a 1.1810 shaft diameter, 0.260 width, and HMS4 seal type, this seal is specified for select Ford Explorer, Mercury Mountaineer, Ford Explorer Sport Trac, and Lincoln Aviator fitments.

Key Features

• Part number: SKF 18112
• Automatic transmission seal for transmission sealing service
• HMS4 seal type
• Shaft diameter: 1.1810
• Width: 0.260
• Engineered to retain lubricant and help keep contaminants out
• Cross-reference part numbers: 50270, X95816

Detailed Description

SKF 18112 is a transmission seal designed around the application’s shaft size and sealing requirements. SKF has a long history in seal engineering, and this part reflects that focus with premium materials and application-specific design for dependable sealing performance. It is a direct service part for vehicles including the Ford Explorer, Mercury Mountaineer, Ford Explorer Sport Trac, and Lincoln Aviator in the listed positions.

Compatible vehicle coverage includes Fits 2002-2010 Ford Explorer, rear inner; Fits 2004-2010 Mercury Mountaineer, rear; Fits 2007-2009 Ford Explorer Sport Trac, rear inner; Fits 2003-2005 Lincoln Aviator, front rearward; and Fits 2002 Ford Explorer, rear, 5R55W Trans. The SKF 18112 part number is also useful when searching for a rear transmission seal for these specific applications.

What It Helps Solve

• Transmission fluid leakage at the seal area
• Contamination entering the transmission through a worn seal
• Seal wear from age, heat, and fluid exposure
• Service replacement for damaged or hardened OEM-style seals

Installation Notes and Tips

Verify shaft diameter, seal type, and transmission application before installation. Inspect the sealing surface for scoring or wear, and replace the seal if the lip or housing area shows damage. Clean the bore and shaft thoroughly so the new seal seats evenly and seals correctly.

Quality Assurance

SKF designs and manufactures seals to high quality standards using materials selected for the application and operating environment. The brand’s seal engineering heritage dates back to the first integrated shaft seal in 1928, and SKF 18112 follows that long-running focus on sealing durability and contamination control.