Allison 1000 Pass Through Connector Seal, 2001-2007 GM 2500HD, GMC Sierra Chevrolet Silverado 8.1L

Part Number: PTCS

GMC Sierra Chevrolet Silverado 2500HD 8.1L 2001, 2002, 2003, 2004, 2005, 2006, 2007

Old and worn out connectors may leak by the wire harness. This can cause erratic transmission operation, possible codes, and even force the transmission to go into limp mode. This is an easy to install fix if fluid is present in your connection.