Transplant Transmissions has been Chester County’s trusted auto repair and diesel performance shop for over 30 years. Located in Downingtown Pennsylvania we are second generation in the industry. We are a full service car repair shop with ASE certified technicians. If you’re looking for a garage that will be honest, upfront, and never try Transplant Transmissions has been Chester County’s trusted auto repair and diesel performance shop for over 30 years. Located in Downingtown Pennsylvania we are second generation in the industry. We are a full service car repair shop with ASE certified technicians. If you’re looking for a garage that will be honest, upfront, and never try to sell you work your car doesn’t need then come see us. ...more