Vehicle Fitment]: Compatible with Ford Mustang 2003-2004 V8 4.6L DOHC Only---Front Left and Right, Driver and Passenger Side; [Reference Number [Reference Number]: 3R3Z2B121CA, XR3Z2B292AA, 18-B4839, 18B4839, 18-P4839, 18P4839, 184839 [Specification]: Inlet Port Size: M10 x 1., 5; Piston Diameter: 1., 77 Inches; Brake Piston Count: 2 Pistons; Piston Material: Metal; Bleeder Port Size: M10 x 1., 5; The Brake Calipers are coated with antirust coating, which can effectively prolong the service life. Compatible with Ford Models: Mustang Base 2003-2004 Mustang GT 2003-2004 Inlet Port Size: M10 x 1., 5 OD Piston Size(mm): 45., 01mm Piston Size (OD) (in): 1., 77 Inch Brake Piston Count: 2 Piston Piston Material: Metal Bleeder Port Size: M10 x 1., 5 OEM Number: 3R3Z2B121CA, XR3Z2B292AA, 18-B4839, 18B4839, 18-P4839, 18P4839, 184839 Location: Front Left (Driver Side) Quantity Sold: One Piece Note: Mounting Bracket and Phenolic Piston included. Brake Caliper Assembly A-Premium Disc With Bracket Compatible With Dodge Dakota 2003 2004 Front Left Driver Side 1 Year Warranty Caliper 2003-2004 Ford Mustang Brake Caliper APBC0238, Fast Dispatch | A [Directly Fit]: OE Replacement Brand New Brake Caliper Assembly, including Brake Caliper, Bracket, Metal Piston, Installation Hardwares. Due to high manufacturing standard, it will come with one year quality guarantee. [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted disc brake caliper. Please enter your vehicle information in the top left corner of listing and check our Special Note before ordering.