Your 1978 Mercury Cougar might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Cases you desperately need.
We currently carry 5 Differential Cases to choose from for your 1978 Mercury Cougar, and our inventory prices range from as little as $533.99 up to $877.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Differential Cases for the 1978 Mercury Cougar. We only sell parts from trusted brands like Motive Gear so that you can find quality parts you can count on.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Cases stock in-person!