The Austin MG Morris 1100 1300 Automatic Trans Shut Off Valve 18G8758 is a genuine, new old stock (NOS) replacement part for British Leyland vehicles. This valve is designed specifically for automatic transmissions, providing a reliable solution for maintaining the proper functioning of the vehicle's drivetrain. With the manufacturer part number 18G8758, this product ensures a perfect fit and quality construction for your classic British Leyland car.