CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAND NAMES OF NAPA, RAYBESTOS, AIMCO, AC DELCO, CARQUEST, BENDIX, AND WAGNER. ONLY PRODUCTS THAT WERE MANUFACTURED FROM JULY 27, 2005 THROUGH JANUARY 17, 2006 (DATE CODES 0529 THROUGH 0602) ARE SUBJECT TO THIS RECALL. WHEN SUBJECT TO VERY COLD TEMPERATURES, AN INTERNAL SEAL IN THE MASTER CYLINDER COULD LOSE FLEXIBILITY AND MAY CAUSE BRAKE FLUID TO LEAK.