Transmission Control Unit - 911 | 1999-2004 987-106-502-04 Porsche Upper door rail for

Porsche Upper door rail for the right side of 1987-1998 models

A smart replacement part for maintaining your Cayenne’s smooth and responsive steering

The windbreaker offers flexible and functional features:

or black plastic

with additional black plastic threads incorporated into the mesh for a sophisticated

Transmission Control Unit - 911 | 1999-2004 987-106-502-04 Porsche Upper door rail forTransmission Control Unit For Porsche 996 (1999 2004) Models. The Transmission Control Unit (TCU) for Porsche 911 (996) models is engineered to manage gear selection, shift timing, and torque delivery with precision. This critical component ensures smooth acceleration, responsive downshifts, and optimal engine performance across all driving conditions. Compatible with 996 generation 911s, this TCU maintains factory specifications and integrates