Please check notes in each part listing to ensure the Axle Output Shaft Seal is correct for your 1999 MERCURY COUGAR with a 2.0L 1989cc 121 engine. Special restrictions like "California only" or "with sport package" may indicate a Axle Output Shaft Seal fits only certain 1999 MERCURY COUGAR models.

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After choosing a Axle Output Shaft Seal, click the "Add Part" button. Shipping costs will be shown on the Shopping Cart page. You may use your browser's Back button, or click on "Find More Parts", to find more Drivetrain parts, other MERCURY COUGAR parts, or parts for a different vehicle. Please try our Interactive Catalog (click red Start button above) for faster searching. Both catalogs use the same shopping cart, so any auto parts you've already chosen for your 1999 MERCURY will not be lost if you switch.