National 100944 Wheel Seal - Rear

National 100944 Wheel Seal for Ford Focus Rear

National 100944 is a rear wheel seal for 2001-2011 Ford Focus applications. Built with nitrile sealing material and sized for the specified shaft, housing bore, and outside diameter dimensions, it supports a precise seal at the wheel end of the driveline.

National has supplied sealing solutions for more than 75 years, and this 100944 seal reflects that focus on dimensional accuracy and modern vehicle coverage. It is a direct-fit option for rear service on Ford Focus models listed below.

Key Features

• Part number: National 100944
• Wheel seal / oil seal application for rear service
• Nitrile material for sealing performance
• Inside diameter: 1.890 in. / 48.000 mm
• Outside diameter: 2.835 in. / 72.000 mm
• Flanged outside diameter: 3.007 in. / 76.379 mm
• Housing bore: 2.833 in. / 71.950 mm
• Shaft size: 1.894 in. / 48.108 mm
• Width: 0.438 in. / 11.125 mm
• Footnote: ABS sensor ring

Detailed Description

National 100944 is engineered for rear wheel seal service on the Ford Focus, covering 2001-2011 model years. The seal’s nitrile construction and listed dimensions help maintain a proper interface between the shaft and housing bore, while the ABS sensor ring footnote identifies the application detail needed for correct service selection. This part cross-references Monroe Shocks & Struts 32395 for the same application.

Fits 2001-2011 Ford Focus, rear. Use this seal when replacing a worn or leaking rear wheel seal on Ford Focus vehicles and when the application calls for the listed shaft, bore, and diameter specifications. National 100944 is also referenced by multiple OE and aftermarket numbers, including Gates 18849.

Common Problems This Part Can Address

• Rear wheel seal leakage at the hub or axle area
• Contamination entering the sealed wheel-end assembly
• Noise or wear caused by a compromised seal surface
• ABS-related service needs where the sensor ring note applies
• Incorrect seal sizing during Ford Focus rear axle repair

Installation Notes and Tips

• Verify the shaft, housing bore, and outside diameter measurements before installation.
• Inspect the sealing surface for wear, scoring, or corrosion before fitting the new seal.
• Confirm rear position and ABS sensor ring requirements for the specific Ford Focus application.
• Clean the bore and mating surfaces thoroughly to support proper seal seating.

Quality Assurance

National is a long-established sealing brand with more than 75 years of experience in sealing technology. Part number 100944 is built to the listed dimensional specifications for the confirmed Ford Focus rear application.