Ford 2009 07+ Explorer Sport Trac Owner's Manual page 702

Maintenance and Specifications
IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
4.0L SOHC V6 engine
1. Engine oil filler cap
2. Engine oil dipstick (out of view)
3. Brake fluid reservoir
4. Power distribution box
5. Battery
6. Power steering fluid reservoir
7. Radiator cap
8. Engine coolant reservoir
9. Air filter assembly
10. Washer fluid reservoir
305
2009 07+ Explorer Sport Trac (esp)
Owners Guide, 2nd Printing
USA (fus)