* Hood
* Fenders
* Headlights
* Grille
* Bumper
Rear end:
* Trunk lid
* Taillights
* Bumper
Interior:
* Dashboard
* Seats
* Steering wheel
* Door panels
Engine:
* Many of the engine components are interchangeable between different model years, such as the cylinder heads, pistons, and camshaft. However, some components, such as the intake manifold and exhaust manifolds, may be different between different models.
Transmission:
* The transmissions used in classic Mustangs are mostly interchangeable, but there are some exceptions. For example, the T-5 transmission was only used in certain model years.
Suspension:
* The suspension components are mostly interchangeable between different model years, but there are some exceptions. For example, the front suspension on the 1965-1966 models is different from the front suspension on the 1967-1970 models.
Brakes:
* The brakes are mostly interchangeable between different model years, but there are some exceptions. For example, the front brakes on the 1965-1966 models are different from the front brakes on the 1967-1970 models.
