Precision Parts 410308 Automatic Transmission Extension Housing Seal

The Precision Parts 410308 is an automatic transmission extension housing seal designed to prevent fluid leaks at the rear of the transmission where the output shaft exits the extension housing. This multi-purpose oil seal provides a reliable barrier between rotating and stationary components, helping to retain transmission fluid and keep harmful contaminants out.

Key Features:

• Seal Type: Spring-loaded, multi-lip design for superior sealing performance
• Material: High-quality nitrile rubber — excellent resistance to hydrocarbon fluids and low-temperature flexibility down to -40°F (-40°C)
• Temperature Range: -40°F to 225°F (-40°C to 107°C)
• Inside Diameter (Shaft Size): 2.125 in (53.98 mm)
• Outside Diameter: 3.066 in (77.88 mm)
• Housing Bore: 3.061 in (77.75 mm)
• Width / Thickness: 0.500 in (12.70 mm)
• Redicoat: Yes — pre-applied sealant on the outer diameter to help seal minor bore imperfections
• Manufactured to AFBMA standards using quality materials

The 410308 seal is engineered for dependable, long-lasting performance in automatic transmission and transaxle applications. Its nitrile construction delivers low swell in hydrocarbon fluids and reliable sealing across a broad temperature range, making it a trusted choice for transmission output shaft leak repairs.