Brake Fluid Pump: Application and ID

^ The ABS-only pump motor is approximately 76 mm (3 inch) tall and both inlet tube ports are at the same level. The inlet port is 4.76 mm (3/16 inch).
^ The ABS with traction control pump motor is approximately 102 mm (4 inch) tall and has one tube inlet port 25 mm (1 inch) above the other port and contains a valve to allow fluid to be drawn from the brake master cylinder for traction control function. A larger 6.35 mm (1/4 inch) diameter tube from the brake master cylinder to the pump motor assembly is used.