Timken 5288 Engine Crankshaft Seal - Rear

Timken 5288 Rear Engine Crankshaft Seal

Timken 5288 is a rear engine crankshaft seal built for Ford and Mercury applications that need reliable oil control at the rear of the engine or transmission output area. It uses a precision sealing design to help keep lubricant in place while blocking dirt and debris from entering the sealing surface.

Key Features

• Precision seal profile helps reduce lubricant escape at the rear crankshaft area
• Reinforced outer case helps resist installation damage and improve durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and promote seating
• Internal contamination exclusion system helps block debris that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to reduce heat build-up

Application Details

Compatible With 2000-2011 Ford Ranger, rear; 2000-2010 Ford Explorer, rear; 2007-2010 Ford Explorer Sport Trac, rear; 2001-2005 Ford Explorer Sport Trac, rear; 1998-2010 Mercury Mountaineer, rear; 2001-2003 Ford Explorer Sport, rear. This part cross-references Gates 23823 and Anchor 3393 for the same application. Timken 5288 is also listed for select 1991-1999 Ford Explorer, 1983-1999 Ford Ranger, 1990-1997 Ford Aerostar, 1986 Ford Aerostar, 1984-1990 Ford Bronco II rear applications with notes for manual transmission output shaft seal or PTFE heavy duty optional use.

What It Helps Address

• Rear main seal oil leakage
• Grease or lubricant loss at the sealing surface
• Contamination entering the crankshaft seal area
• Heat-related seal wear from poor lubricant circulation
• Leakage caused by minor surface imperfections at the spindle or shaft

Installation Notes

Verify the rear seal location and match the vehicle notes before installation, especially on Ford Explorer, Ford Ranger, Ford Aerostar, and Ford Bronco II models with manual transmission or PTFE heavy-duty optional references. Inspect the shaft surface for wear, clean the sealing area thoroughly, and install the seal squarely to avoid case damage. Confirm the application against the vehicle’s engine or transmission configuration before final assembly.

Quality Assurance

Timken oil and grease seals are engineered with reinforced construction and contamination control features to support consistent sealing performance in demanding drivetrain applications.