Sonnax 77805-S-25 PTFE Replacement Seal Kit for TCC Apply Valve (25-Pack)

The Sonnax 77805-S-25 is a high-quality PTFE replacement seal kit designed specifically for use with Sonnax TCC (Torque Converter Clutch) apply valve kits 77805-K and 77805E-K. This package includes 25 precision-engineered seals for service and repair applications in GM automatic transmissions.

Key Features:

• Constructed from durable PTFE (Teflon) material for superior performance and longevity
• Designed as replacement seals for Sonnax TCC apply valve kits 77805-K and 77805E-K
• Prevents cross-leaking between converter signal oil and converter feed oil
• Package quantity of 25 seals provides excellent value for professional transmission rebuilders
• Fits PWM (Pulse Width Modulated) units only

Application:

• GM 200-4R (1982-1992)
• GM 4L60 (1993-1992)
• GM 4L60-E (1993-2014)
• GM 4L65-E
• GM 4L70-E

These replacement seals are essential components for maintaining proper torque converter clutch operation and addressing common TCC-related issues such as loss of lockup, lockup when hot, and fluid blown out of fill tube. Sonnax is a trusted name in transmission parts, known for precision engineering and quality materials.