* 4L60-E: This is a four-speed automatic transmission that was commonly paired with the 350 engine in the 1992 GMC 1500. The 4L60-E was known for its smooth shifting and durability.
* THM700-R4: This is a four-speed automatic transmission that was also used with the 350 engine in the 1992 GMC 1500. The THM700-R4 was a heavy-duty transmission that was designed for towing and hauling.
* NV3500: This is a five-speed manual transmission that was offered with the 350 engine in the 1992 GMC 1500. The NV3500 was a tough, reliable transmission that was popular with drivers who wanted maximum control over their vehicle.