GM Genuine Parts Automatic Transmission Manual Shaft Detent Shafts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These shafts are part of a detent mechanism. Thdxd mechanismx help provide feedback to the driver of transmission shift changes by providing a feeling of effort between shifting ranges. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Part of a detent mechanism
• Helps provide feedback to the driver of transmission shift changes by providing a feeling of effort between shifting ranges
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies