FAG SS3863 Engine Crankshaft Seal - Rear

FAG SS3863 Rear Engine Crankshaft Seal

FAG SS3863 is a rear engine crankshaft seal built with Viton sealing material and a rubber spring auxiliary-lip design to help maintain a clean, stable seal at the crankshaft. It is specified for select Toyota, Pontiac, and Chevrolet applications, including Corolla, Matrix, Celica, MR2 Spyder, Vibe, and Prizm models.

Key Features

• Viton sealing material for heat- and fluid-resistant sealing performance
• Rubber seal construction with spring and auxiliary lip design
• Bore diameter: 94.005 mm (3.701 in.)
• Seal outside diameter: 94.31 mm (3.713 in.)
• Seal width: 8.992 mm (2.992 in.)
• Rear crankshaft seal application for select Toyota and GM compact vehicles
• Cross-references National 710465 and SKF 29519 for the same application

Detailed Description

FAG SS3863 is an engine crankshaft seal engineered for rear main sealing applications where consistent oil control is critical. The Viton sealing material and auxiliary lip design help maintain contact at the sealing surface, while the spring-loaded profile supports sealing integrity under operating conditions. This part number is used in rear crankshaft seal applications for 1998-2008 Toyota Corolla, 2000-2004 Toyota Celica, 2000-2003 Toyota MR2 Spyder, 2003-2008 Toyota Matrix, 2004-2007 Pontiac Vibe, and 1998-2001 Chevrolet Prizm. It also cross-references FAG SS3863 with OE-style and aftermarket numbers used for the same application.

What It Helps Address

• Rear engine oil leakage at the crankshaft seal area
• Oil contamination around the bellhousing or transmission interface
• Loss of crankcase oil from a worn or hardened seal
• Sealing issues caused by age, heat, or fluid exposure
• Noise or drivability concerns related to oil contamination of nearby components

Installation Notes and Tips

Verify the seal dimensions and engine code before installation, especially on Toyota Corolla, Matrix, and Celica applications. Clean the sealing surface thoroughly and inspect the crankshaft journal for wear, scoring, or contamination before fitting the new seal. Confirm rear-position fitment for your vehicle and match the application notes to the engine configuration listed for your model year.

Quality Assurance

FAG sources this seal through suppliers selected to meet FAG quality standards and vehicle manufacturer specifications. The design focus is on protecting wheel-end and sealing components from dirt, dust, and moisture while helping retain grease or oil over the service life of the bearing or seal application.