SKF 29918 Engine Crankshaft Seal - Rear

SKF 29918 Rear Crankshaft Seal

SKF 29918 is a rear engine crankshaft seal built for precise sealing performance in Toyota, Scion, and Prius applications. It uses a LongLife sealing surface type and is sized to match the shaft and housing dimensions required for the listed rear-position fitments.

• Part number: 29918
• Outside diameter: 4.222
• Shaft diameter: 2.992
• Width: 0.315
• LongLife sealing surface type
• Engine crankshaft seal for rear position applications
• Fits 2001-2009 Toyota Prius, rear
• Fits 2000-2005 Toyota Echo, rear
• Fits 2006-2014 Toyota Yaris, rear
• Fits 2013-2014 Toyota Prius C, rear
• Fits 2004-2006 Scion xA, rear
• Fits 2004-2006 Scion xB, rear

Detailed Fitment and Design

SKF has a long history in shaft seal engineering, and this 29918 crankshaft seal reflects that experience with application-specific dimensions and premium sealing materials. The seal is designed to retain engine lubricant at the rear crankshaft location while helping keep dirt and other contaminants out of the engine assembly. This part cross-references OE-style part number 9031175016 for the same application.

Common Replacement Reasons

• Rear main seal oil leakage
• Oil seepage around the crankshaft area
• Contamination entering the rear engine sealing surface
• Seal wear from age, heat, or mileage
• Service replacement during engine reseal work

Installation Notes

Inspect the crankshaft sealing surface before installation and verify the housing is clean and free of debris. Confirm the seal orientation and press the seal evenly to avoid distortion. For best results, replace the seal during related rear-engine service when access is already open.

Quality Assurance

SKF manufactures seals to specific designs and quality standards for long service life and dependable engine sealing performance. The 29918 is engineered for the listed rear-position Toyota, Scion, and Prius applications.