Notes: Some vehicles come with several transmission choices and could be very confusing. Please make sure to read the transmission description below and in particular match the engine size, fitting notes and number of speed (when applicable) with your vehicle's specifications. To buy a particular transmision, place your order online or call our sales staff at 1-800-378-7566 with the stock number. We will not process your order before verifying with you the transmission information!

If you cannot find the parts you are looking for, please try our Used Auto Part Locator

Attention!

There are 18 Transmission Assembly choices for the 1988 GMC C1500 Pickup!!!
Select one... Manual Transmission 4 speed integral clutch hsgManual Transmission 4 speed separate clutch hsg 4x2Manual Transmission 4 speed separate clutch hsg 4x4Manual Transmission 5 speed 4x2Manual Transmission 5 speed 4x4Automatic Transmission 4x2 TH400 6 cylAutomatic Transmission 4x2 TH400 8 cyl 8 Cyl, 305 cid (5.0L)Automatic Transmission 4x2 TH400 8 cyl 8 Cyl, 350 cid (5.7L)Automatic Transmission 4x2 TH400 8 cyl 8 Cyl, 379 cid (6.2L, diesel)Automatic Transmission 4x2 TH700 dieselAutomatic Transmission 4x2 TH700 gasoline aux valve bodyAutomatic Transmission 4x2 TH700 gasoline Without aux valve bodyAutomatic Transmission 4x4 TH400 6 cylAutomatic Transmission 4x4 TH400 8 cyl dieselAutomatic Transmission 4x4 TH400 8 cyl gasolineAutomatic Transmission 4x4 TH700 dieselAutomatic Transmission 4x4 TH700 gasoline aux valve bodyAutomatic Transmission 4x4 TH700 gasoline Without aux valve body

See below a sample of our 1988 GMC C1500 Pickup Transmission Assembly inventory