About This

• FITMENT FOR FORD AND MERCURY:For Ford Taurus 2000-2007 3.0L V6 Gas; for Mercury Sable 2000-2005 3.0L V6 Gas. The listed applications include sedan and wagon configurations where offered. Verify the complete model, year, engine displacement, original reservoir and eighth VIN digit before ordering because other Taurus and Sable cooling-system configurations may use a different tank.
• REPLACEMENT REFERENCES:Cross-references 603-203, 603203, 11808A, DAKG-8100Z, FRT1501C, SK603203 and 1F1Z8A080AA. Compare the reference number together with the original reservoir’s shape, cap neck, two mounting points and hose connections. The supplied 9C3Z8101B and F6DZ8100A references are not used as primary fitment identifiers because they appear in broader interchange records.
• PRESSURIZED 2.1 L CONFIGURATION:The included cap has a supplied pressure specification of 110 ±15 kPa, nominally about 16 PSI. The 2.1 L capacity is measured at the MAX fill level rather than the brim, preserving the intended coolant expansion space. Translucent PP construction is rated from -30°C to 120°C and allows the coolant level to be viewed without removing the pressurized cap. This configuration has no coolant-level sensor function.
• WHEN REPLACEMENT MAY BE NEEDED:Cracks, seam or hose-neck seepage, dried coolant residue, coolant odor, repeated coolant top-offs or an inconsistent fluid level may indicate deterioration of the original tank, cap or connections. Replacing the affected reservoir provides the correct coolant container and connection layout; continued coolant loss or elevated engine temperature requires diagnosis of the complete cooling system.
• BUILT AROUND PRESSURE AND SEALING:BDFHYK treats the reservoir as part of a pressurized cooling circuit rather than simply a plastic bottle. Cap rating, cap-neck sealing, hose seating, mounting alignment, correct coolant level and proper bleeding all affect operation. Allow the engine to cool completely before opening the cap, then inspect the hoses, clamps and surrounding connections after installation.