C6AE-E Multiple applications over the years. 1. Later 1967 production cooling fan, generally used after 11/14/1966 on most 289 engine applications. 2. 1968 302 without air conditioning. 3. Mid year (after 11/6/1968) 1969 351 without air conditioning. 4. 1969 Early Boss 302 before 4/14/1969. 5. 1971 Cougar with 351 engine, without air conditioning. 6. **1973 Cougar 351-2V without air conditioning prior to 2/19/1973. Fan description - 4 blades and 17-1/2 inches in diameter. Ford master part number C6OZ-8600-A.
*Note - Excludes integral air conditioning.
**Note - 1973 there is a note in the MPC that states this fan may be marked C9OE-A.
Check out this interesting video where they test the efficiency of factory style and aftermarket fans. Spoiler alert: the clutch fans are the most efficient!