Automatic Transmission Case – GM (24288906)

Automatic Transmission Case is a containment or structural component matched to a specific casting and bolt pattern. Parts that look interchangeable often differ in offset or internal volume.

Replace the Case when the casting is cracked at a mounting point, when a mating flange is no longer flat, or when the original has corroded through. Check the surface it seals against before fitting a replacement.

Ordering reference for the Case is part number 24288906, categorised under Transmission Assemblies. Match that number against the component you are removing before you order.

This is GM dealer-sourced stock rather than an equivalent, so the number on the Case traces straight back to the manufacturer.